Apply nixfmt on many files

default.nix

@@ -1,13 +1,10 @@
-{ pkgs ? import <nixpkgs> {} }:
+{ pkgs ? import <nixpkgs> { } }:
 
 rec {
-  home-manager = pkgs.callPackage ./home-manager {
+  home-manager = pkgs.callPackage ./home-manager { path = toString ./.; };
-    path = toString ./.;
-  };
 
-  install = pkgs.callPackage ./home-manager/install.nix {
+  install =
-    inherit home-manager;
+    pkgs.callPackage ./home-manager/install.nix { inherit home-manager; };
-  };
 
   nixos = import ./nixos;
 }

doc/default.nix

@@ -1,8 +1,6 @@
 {
-  # Note, this should be "the standard library" + HM extensions.
+# Note, this should be "the standard library" + HM extensions.
-  lib
+lib, pkgs }:
-, pkgs
-}:
 
 let
 
@@ -19,23 +17,19 @@ let
   # Make sure the used package is scrubbed to avoid actually
   # instantiating derivations.
   scrubbedPkgsModule = {
-    imports = [
+    imports = [{
-      {
       _module.args = {
         pkgs = lib.mkForce (nmd.scrubDerivations "pkgs" pkgs);
         pkgs_i686 = lib.mkForce { };
       };
-      }
+    }];
-    ];
   };
 
   hmModulesDocs = nmd.buildModulesDocs {
-    modules =
+    modules = import ../modules/modules.nix {
-      import ../modules/modules.nix {
       inherit lib pkgs;
       check = false;
-      }
+    } ++ [ scrubbedPkgsModule ];
-      ++ [ scrubbedPkgsModule ];
     moduleRootPaths = [ ./.. ];
     mkModuleUrl = path:
       "https://github.com/rycee/home-manager/blob/master/${path}#blob-path";
@@ -58,9 +52,7 @@ let
     '';
   };
 
-in
+in {
-
-{
   inherit nmdSrc;
 
   options = {
@@ -71,7 +63,5 @@ in
 
   manPages = docs.manPages;
 
-  manual = {
+  manual = { inherit (docs) html htmlOpenTool; };
-    inherit (docs) html htmlOpenTool;
-  };
 }

home-manager/install.nix

@@ -1,8 +1,6 @@
 { home-manager, runCommand }:
 
-runCommand
+runCommand "home-manager-install" {
-  "home-manager-install"
-  {
   propagatedBuildInputs = [ home-manager ];
   preferLocalBuild = true;
   allowSubstitutes = false;
@@ -63,8 +61,7 @@ runCommand
       exit 1
     fi
   '';
-  }
+} ''
-  ''
   echo This derivation is not buildable, instead run it using nix-shell.
   exit 1
-  ''
+''

modules/lib/dag.nix

@@ -13,13 +13,11 @@ with lib;
 
 rec {
 
-  emptyDag = {};
+  emptyDag = { };
 
   isDag = dag:
-    let
+    let isEntry = e: (e ? data) && (e ? after) && (e ? before);
-      isEntry = e: (e ? data) && (e ? after) && (e ? before);
+    in builtins.isAttrs dag && all (x: x) (mapAttrsToList (n: isEntry) dag);
-    in
-      builtins.isAttrs dag && all (x: x) (mapAttrsToList (n: isEntry) dag);
 
   # Takes an attribute set containing entries built by
   # dagEntryAnywhere, dagEntryAfter, and dagEntryBefore to a
@@ -80,21 +78,18 @@ rec {
   dagTopoSort = dag:
     let
       dagBefore = dag: name:
-        mapAttrsToList (n: v: n) (
+        mapAttrsToList (n: v: n)
-          filterAttrs (n: v: any (a: a == name) v.before) dag
+        (filterAttrs (n: v: any (a: a == name) v.before) dag);
-        );
+      normalizedDag = mapAttrs (n: v: {
-      normalizedDag =
-        mapAttrs (n: v: {
         name = n;
         data = v.data;
         after = v.after ++ dagBefore dag n;
       }) dag;
       before = a: b: any (c: a.name == c) b.after;
       sorted = toposort before (mapAttrsToList (n: v: v) normalizedDag);
-    in
+    in if sorted ? result then {
-      if sorted ? result then
+      result = map (v: { inherit (v) name data; }) sorted.result;
-        { result = map (v: { inherit (v) name data; }) sorted.result; }
+    } else
-      else
       sorted;
 
   # Applies a function to each element of the given DAG.
@@ -103,22 +98,20 @@ rec {
   # Create a DAG entry with no particular dependency information.
   dagEntryAnywhere = data: {
     inherit data;
-    before = [];
+    before = [ ];
-    after = [];
+    after = [ ];
   };
 
-  dagEntryBetween = before: after: data: {
+  dagEntryBetween = before: after: data: { inherit data before after; };
-    inherit data before after;
-  };
 
   dagEntryAfter = after: data: {
     inherit data after;
-    before = [];
+    before = [ ];
   };
 
   dagEntryBefore = before: data: {
     inherit data before;
-    after = [];
+    after = [ ];
   };
 
 }

modules/lib/shell.nix

@@ -2,7 +2,7 @@
 
 rec {
   # Produces a Bourne shell like variable export statement.
-  export = n: v: "export ${n}=\"${toString v}\"";
+  export = n: v: ''export ${n}="${toString v}"'';
 
   # Given an attribute set containing shell variable names and their
   # assignment, this function produces a string containing an export

modules/lib/stdlib-extended.nix

@@ -3,9 +3,5 @@
 
 nixpkgsLib:
 
-let
+let mkHmLib = import ./.;
-  mkHmLib = import ./.;
+in nixpkgsLib.extend (self: super: { hm = mkHmLib { lib = super; }; })
-in
-  nixpkgsLib.extend (self: super: {
-    hm = mkHmLib { lib = super; };
-  })

modules/lib/strings.nix

@@ -9,19 +9,14 @@ with lib;
       # All characters that are considered safe. Note "-" is not
       # included to avoid "-" followed by digit being interpreted as a
       # version.
-      safeChars =
+      safeChars = [ "+" "." "_" "?" "=" ] ++ lowerChars ++ upperChars
-        [ "+" "." "_" "?" "=" ]
-        ++ lowerChars
-        ++ upperChars
         ++ stringToCharacters "0123456789";
 
       empties = l: genList (x: "") (length l);
 
-      unsafeInName = stringToCharacters (
+      unsafeInName =
-        replaceStrings safeChars (empties safeChars) path
+        stringToCharacters (replaceStrings safeChars (empties safeChars) path);
-      );
 
       safeName = replaceStrings unsafeInName (empties unsafeInName) path;
-    in
+    in "hm_" + safeName;
-      "hm_" + safeName;
 }

modules/lib/types-dag.nix

@@ -6,7 +6,8 @@ let
 
   isDagEntry = e: isAttrs e && (e ? data) && (e ? after) && (e ? before);
 
-  dagContentType = elemType: types.submodule {
+  dagContentType = elemType:
+    types.submodule {
       options = {
         data = mkOption { type = elemType; };
         after = mkOption { type = with types; uniq (listOf str); };
@@ -14,29 +15,21 @@ let
       };
     };
 
-in
+in {
-
-{
   # A directed acyclic graph of some inner type.
   dagOf = elemType:
     let
-      convertAllToDags =
+      convertAllToDags = let
-        let
+        maybeConvert = n: v: if isDagEntry v then v else dag.entryAnywhere v;
-          maybeConvert = n: v:
+      in map (def: def // { value = mapAttrs maybeConvert def.value; });
-            if isDagEntry v
-            then v
-            else dag.entryAnywhere v;
-        in
-          map (def: def // { value = mapAttrs maybeConvert def.value; });
 
       attrEquivalent = types.attrsOf (dagContentType elemType);
-    in
+    in mkOptionType rec {
-      mkOptionType rec {
       name = "dagOf";
       description = "DAG of ${elemType.description}s";
       check = isAttrs;
       merge = loc: defs: attrEquivalent.merge loc (convertAllToDags defs);
-        getSubOptions = prefix: elemType.getSubOptions (prefix ++ ["<name>"]);
+      getSubOptions = prefix: elemType.getSubOptions (prefix ++ [ "<name>" ]);
       getSubModules = elemType.getSubModules;
       substSubModules = m: dagOf (elemType.substSubModules m);
       functor = (defaultFunctor name) // { wrapped = elemType; };
@@ -55,40 +48,35 @@ in
   listOrDagOf = elemType:
     let
       paddedIndexStr = list: i:
-        let
+        let padWidth = stringLength (toString (length list));
-          padWidth = stringLength (toString (length list));
+        in fixedWidthNumber padWidth i;
-        in
-          fixedWidthNumber padWidth i;
 
       convertAllToDags = defs:
         let
           convertAttrValue = n: v:
-            if isDagEntry v then v
+            if isDagEntry v then v else dag.entryAnywhere v;
-            else dag.entryAnywhere v;
 
           convertListValue = namePrefix: vs:
             let
               pad = paddedIndexStr vs;
               makeEntry = i: v:
                 nameValuePair "${namePrefix}.${pad i}" (dag.entryAnywhere v);
-            in
+            in listToAttrs (imap1 makeEntry vs);
-              listToAttrs (imap1 makeEntry vs);
 
           convertValue = i: value:
-            if isList value
+            if isList value then
-            then convertListValue "unnamed-${paddedIndexStr defs i}" value
+              convertListValue "unnamed-${paddedIndexStr defs i}" value
-            else mapAttrs convertAttrValue value;
+            else
-        in
+              mapAttrs convertAttrValue value;
-          imap1 (i: def: def // { value = convertValue i def.value; }) defs;
+        in imap1 (i: def: def // { value = convertValue i def.value; }) defs;
 
       attrEquivalent = types.attrsOf (dagContentType elemType);
-    in
+    in mkOptionType rec {
-      mkOptionType rec {
       name = "dagOf";
       description = "DAG of ${elemType.description}s";
       check = x: isAttrs x || isList x;
       merge = loc: defs: attrEquivalent.merge loc (convertAllToDags defs);
-        getSubOptions = prefix: elemType.getSubOptions (prefix ++ ["<name>"]);
+      getSubOptions = prefix: elemType.getSubOptions (prefix ++ [ "<name>" ]);
       getSubModules = elemType.getSubModules;
       substSubModules = m: dagOf (elemType.substSubModules m);
       functor = (defaultFunctor name) // { wrapped = elemType; };

modules/lib/zsh.nix

@@ -2,13 +2,15 @@
 
 rec {
   # Produces a Zsh shell like value
-  toZshValue = v: if builtins.isBool v then
+  toZshValue = v:
+    if builtins.isBool v then
       if v then "true" else "false"
     else if builtins.isString v then
-                    "\"${v}\""
+      ''"${v}"''
     else if builtins.isList v then
       "(${lib.concatStringsSep " " (map toZshValue v)})"
-                  else "\"${toString v}\"";
+    else
+      ''"${toString v}"'';
 
   # Produces a Zsh shell like definition statement
   define = n: v: "${n}=${toZshValue v}";

modules/misc/fontconfig.nix

@@ -8,15 +8,15 @@ let
 
   profileDirectory = config.home.profileDirectory;
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.rycee ];
 
   imports = [
-    (mkRenamedOptionModule
+    (mkRenamedOptionModule [ "fonts" "fontconfig" "enableProfileFonts" ] [
-      [ "fonts" "fontconfig" "enableProfileFonts" ]
+      "fonts"
-      [ "fonts" "fontconfig" "enable" ])
+      "fontconfig"
+      "enable"
+    ])
   ];
 
   options = {

modules/misc/lib.nix

@@ -4,7 +4,7 @@
   options = {
     lib = lib.mkOption {
       type = lib.types.attrsOf lib.types.attrs;
-      default = {};
+      default = { };
       description = ''
         This option allows modules to define helper functions,
         constants, etc.

modules/misc/numlock.nix

@@ -6,12 +6,8 @@ let
 
   cfg = config.xsession.numlock;
 
-in
+in {
-
+  options = { xsession.numlock.enable = mkEnableOption "Num Lock"; };
-{
-  options = {
-    xsession.numlock.enable = mkEnableOption "Num Lock";
-  };
 
   config = mkIf cfg.enable {
     systemd.user.services.numlockx = {
@@ -27,9 +23,7 @@ in
         ExecStart = "${pkgs.numlockx}/bin/numlockx";
       };
 
-      Install = {
+      Install = { WantedBy = [ "graphical-session.target" ]; };
-        WantedBy = [ "graphical-session.target" ];
-      };
     };
   };
 }

modules/misc/pam.nix

@@ -6,14 +6,12 @@ let
 
   vars = config.pam.sessionVariables;
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
     pam.sessionVariables = mkOption {
-      default = {};
+      default = { };
       type = types.attrs;
       example = { EDITOR = "vim"; };
       description = ''
@@ -27,10 +25,8 @@ in
     };
   };
 
-  config = mkIf (vars != {}) {
+  config = mkIf (vars != { }) {
-    home.file.".pam_environment".text =
+    home.file.".pam_environment".text = concatStringsSep "\n"
-      concatStringsSep "\n" (
+      (mapAttrsToList (n: v: ''${n} OVERRIDE="${toString v}"'') vars) + "\n";
-        mapAttrsToList (n: v: "${n} OVERRIDE=\"${toString v}\"") vars
-      ) + "\n";
   };
 }

modules/misc/qt.nix

@@ -6,19 +6,13 @@ let
 
   cfg = config.qt;
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.rycee ];
 
   imports = [
-    (mkChangedOptionModule
+    (mkChangedOptionModule [ "qt" "useGtkTheme" ] [ "qt" "platformTheme" ]
-      [ "qt" "useGtkTheme" ]
-      [ "qt" "platformTheme" ]
       (config:
-        if getAttrFromPath [ "qt" "useGtkTheme" ] config
+        if getAttrFromPath [ "qt" "useGtkTheme" ] config then "gtk" else null))
-        then "gtk"
-        else null))
   ];
 
   options = {
@@ -29,10 +23,8 @@ in
         type = types.nullOr (types.enum [ "gtk" "gnome" ]);
         default = null;
         example = "gnome";
-        relatedPackages = [
+        relatedPackages =
-          "qgnomeplatform"
+          [ "qgnomeplatform" [ "libsForQt5" "qtstyleplugins" ] ];
-          ["libsForQt5" "qtstyleplugins"]
-        ];
         description = ''
           Selects the platform theme to use for Qt applications.</para>
           <para>The options are
@@ -59,16 +51,16 @@ in
     home.sessionVariables.QT_QPA_PLATFORMTHEME =
       if cfg.platformTheme == "gnome" then "gnome" else "gtk2";
 
-    home.packages =
+    home.packages = if cfg.platformTheme == "gnome" then
-      if cfg.platformTheme == "gnome"
+      [ pkgs.qgnomeplatform ]
-      then [ pkgs.qgnomeplatform ]
+    else
-      else [ pkgs.libsForQt5.qtstyleplugins ];
+      [ pkgs.libsForQt5.qtstyleplugins ];
 
     xsession.importedVariables = [ "QT_QPA_PLATFORMTHEME" ];
 
     # Enable GTK+ style for Qt4 in either case.
     # It doesn’t support the platform theme packages.
-    home.activation.useGtkThemeInQt4 = hm.dag.entryAfter ["writeBoundary"] ''
+    home.activation.useGtkThemeInQt4 = hm.dag.entryAfter [ "writeBoundary" ] ''
       $DRY_RUN_CMD ${pkgs.crudini}/bin/crudini $VERBOSE_ARG \
         --set "${config.xdg.configHome}/Trolltech.conf" Qt style GTK+
     '';

modules/misc/xdg-mime-apps.nix

@@ -9,9 +9,7 @@ let
   strListOrSingleton = with types;
     coercedTo (either (listOf str) str) toList (listOf str);
 
-in
+in {
-
-{
   meta.maintainers = with maintainers; [ pacien ];
 
   options.xdg.mimeApps = {
@@ -80,10 +78,8 @@ in
       config.xdg.configFile."mimeapps.list".source;
 
     xdg.configFile."mimeapps.list".text =
-      let
+      let joinValues = mapAttrs (n: concatStringsSep ";");
-        joinValues = mapAttrs (n: concatStringsSep ";");
+      in generators.toINI { } {
-      in
-        generators.toINI {} {
         "Added Associations" = joinValues cfg.associations.added;
         "Removed Associations" = joinValues cfg.associations.removed;
         "Default Applications" = joinValues cfg.defaultApplications;

modules/misc/xdg-mime.nix

@@ -6,9 +6,7 @@ let
 
   cfg = config.xdg.mime;
 
-in
+in {
-
-{
   options = {
     xdg.mime.enable = mkOption {
       type = types.bool;

modules/misc/xdg-user-dirs.nix

@@ -6,15 +6,15 @@ let
 
   cfg = config.xdg.userDirs;
 
-in
+in {
-
-{
   meta.maintainers = with maintainers; [ pacien ];
 
   imports = [
-    (mkRenamedOptionModule
+    (mkRenamedOptionModule [ "xdg" "userDirs" "publishShare" ] [
-      [ "xdg" "userDirs" "publishShare" ]
+      "xdg"
-      [ "xdg" "userDirs" "publicShare" ])
+      "userDirs"
+      "publicShare"
+    ])
   ];
 
   options.xdg.userDirs = {
@@ -89,8 +89,7 @@ in
   };
 
   config = mkIf cfg.enable {
-    xdg.configFile."user-dirs.dirs".text = generators.toKeyValue {} (
+    xdg.configFile."user-dirs.dirs".text = generators.toKeyValue { } ({
-      {
       XDG_DESKTOP_DIR = cfg.desktop;
       XDG_DOCUMENTS_DIR = cfg.documents;
       XDG_DOWNLOAD_DIR = cfg.download;
@@ -99,8 +98,6 @@ in
       XDG_PUBLICSHARE_DIR = cfg.publicShare;
       XDG_TEMPLATES_DIR = cfg.templates;
       XDG_VIDEOS_DIR = cfg.videos;
-      }
+    } // cfg.extraConfig);
-      // cfg.extraConfig
-    );
   };
 }

modules/programs/alacritty.nix

@@ -6,16 +6,14 @@ let
 
   cfg = config.programs.alacritty;
 
-in
+in {
-
-{
   options = {
     programs.alacritty = {
       enable = mkEnableOption "Alacritty";
 
       settings = mkOption {
         type = types.attrs;
-        default = {};
+        default = { };
         example = literalExample ''
           {
             window.dimensions = {
@@ -45,8 +43,9 @@ in
     (mkIf cfg.enable {
       home.packages = [ pkgs.alacritty ];
 
-      xdg.configFile."alacritty/alacritty.yml" = mkIf (cfg.settings != {}) {
+      xdg.configFile."alacritty/alacritty.yml" = mkIf (cfg.settings != { }) {
-        text = replaceStrings ["\\\\"] ["\\"] (builtins.toJSON cfg.settings);
+        text =
+          replaceStrings [ "\\\\" ] [ "\\" ] (builtins.toJSON cfg.settings);
       };
     })
   ];

modules/programs/alot-accounts.nix

@@ -18,12 +18,10 @@ with lib;
       type = types.attrsOf types.str;
       default = {
         type = "shellcommand";
-        command = "'${pkgs.notmuch}/bin/notmuch address --format=json --output=recipients  date:6M..'";
+        command =
-        regexp =
+          "'${pkgs.notmuch}/bin/notmuch address --format=json --output=recipients  date:6M..'";
-          "'\\[?{"
+        regexp = "'\\[?{" + ''
-          + ''"name": "(?P<name>.*)", ''
+          "name": "(?P<name>.*)", "address": "(?P<email>.+)", "name-addr": ".*"''
-          + ''"address": "(?P<email>.+)", ''
-          + ''"name-addr": ".*"''
           + "}[,\\]]?'";
         shellcommand_external_filtering = "False";
       };
@@ -52,10 +50,9 @@ with lib;
   };
 
   config = mkIf config.notmuch.enable {
-    alot.sendMailCommand = mkOptionDefault (
+    alot.sendMailCommand = mkOptionDefault (if config.msmtp.enable then
-      if config.msmtp.enable
+      "msmtpq --read-envelope-from --read-recipients"
-      then "msmtpq --read-envelope-from --read-recipients"
+    else
-      else null
+      null);
-    );
   };
 }

modules/programs/astroid-accounts.nix

@@ -17,7 +17,7 @@ with lib;
 
     extraConfig = mkOption {
       type = types.attrs;
-      default = {};
+      default = { };
       example = { select_query = ""; };
       description = ''
         Extra settings to add to this astroid account configuration.
@@ -26,8 +26,7 @@ with lib;
   };
 
   config = mkIf config.notmuch.enable {
-    astroid.sendMailCommand = mkIf config.msmtp.enable (
+    astroid.sendMailCommand = mkIf config.msmtp.enable
-      mkOptionDefault "msmtpq --read-envelope-from --read-recipients"
+      (mkOptionDefault "msmtpq --read-envelope-from --read-recipients");
-    );
   };
 }

modules/programs/astroid.nix

@@ -8,13 +8,13 @@ let
   cfg = config.programs.astroid;
 
   astroidAccounts =
-    filterAttrs
+    filterAttrs (n: v: v.astroid.enable) config.accounts.email.accounts;
-      (n: v: v.astroid.enable)
-      config.accounts.email.accounts;
 
   boolOpt = b: if b then "true" else "false";
 
-  accountAttr = account: with account; {
+  accountAttr = account:
+    with account;
+    {
       email = address;
       name = realName;
       sendmail = astroid.sendMailCommand;
@@ -24,19 +24,16 @@ let
       save_sent = "true";
       save_sent_to = "${maildir.absPath}/${folders.sent}";
       select_query = "";
-  }
+    } // optionalAttrs (signature.showSignature != "none") {
-  // optionalAttrs (signature.showSignature != "none") {
       signature_attach = boolOpt (signature.showSignature == "attach");
       signature_default_on = boolOpt (signature.showSignature != "none");
       signature_file = pkgs.writeText "signature.txt" signature.text;
       signature_file_markdown = "false";
       signature_separate = "true"; # prepends '--\n' to the signature
-  }
+    } // optionalAttrs (gpg != null) {
-  // optionalAttrs (gpg != null) {
       always_gpg_sign = boolOpt gpg.signByDefault;
       gpgkey = gpg.key;
-  }
+    } // astroid.extraConfig;
-  // astroid.extraConfig;
 
   # See https://github.com/astroidmail/astroid/wiki/Configuration-Reference
   configFile = mailAccounts:
@@ -51,12 +48,9 @@ let
         cfg.extraConfig
         cfg.externalEditor
       ];
-    in
+    in builtins.toJSON astroidConfig;
-      builtins.toJSON astroidConfig;
 
-in
+in {
-
-{
   options = {
     programs.astroid = {
       enable = mkEnableOption "Astroid";
@@ -81,7 +75,8 @@ in
               "cmd" = cmd;
             };
           };
-        example = "nvim-qt -- -c 'set ft=mail' '+set fileencoding=utf-8' '+set ff=unix' '+set enc=utf-8' '+set fo+=w' %1";
+        example =
+          "nvim-qt -- -c 'set ft=mail' '+set fileencoding=utf-8' '+set ff=unix' '+set enc=utf-8' '+set fo+=w' %1";
         description = ''
           You can use <code>%1</code>, <code>%2</code>, and
           <code>%3</code> to refer respectively to:
@@ -96,7 +91,7 @@ in
 
       extraConfig = mkOption {
         type = types.attrs;
-        default = {};
+        default = { };
         example = { poll.interval = 0; };
         description = ''
           JSON config that will override the default Astroid configuration.
@@ -108,14 +103,11 @@ in
   config = mkIf cfg.enable {
     home.packages = [ pkgs.astroid ];
 
-    xdg.configFile."astroid/config".source =
+    xdg.configFile."astroid/config".source = pkgs.runCommand "out.json" {
-      pkgs.runCommand "out.json"
-        {
       json = configFile astroidAccounts;
       preferLocalBuild = true;
       allowSubstitutes = false;
-        }
+    } ''
-        ''
       echo -n "$json" | ${pkgs.jq}/bin/jq . > $out
     '';
 

modules/programs/autorandr.nix

@@ -6,16 +6,17 @@ let
 
   cfg = config.programs.autorandr;
 
-  matrixOf = n: m: elemType: mkOptionType rec {
+  matrixOf = n: m: elemType:
+    mkOptionType rec {
       name = "matrixOf";
-    description = "${toString n}×${toString m} matrix of ${elemType.description}s";
+      description =
+        "${toString n}×${toString m} matrix of ${elemType.description}s";
       check = xss:
-      let
+        let listOfSize = l: xs: isList xs && length xs == l;
-        listOfSize = l: xs: isList xs && length xs == l;
+        in listOfSize n xss
-      in
+        && all (xs: listOfSize m xs && all elemType.check xs) xss;
-        listOfSize n xss && all (xs: listOfSize m xs && all elemType.check xs) xss;
       merge = mergeOneOption;
-    getSubOptions = prefix: elemType.getSubOptions (prefix ++ ["*" "*"]);
+      getSubOptions = prefix: elemType.getSubOptions (prefix ++ [ "*" "*" ]);
       getSubModules = elemType.getSubModules;
       substSubModules = mod: matrixOf n m (elemType.substSubModules mod);
       functor = (defaultFunctor name) // { wrapped = elemType; };
@@ -29,19 +30,19 @@ let
           Output name to EDID mapping.
           Use <code>autorandr --fingerprint</code> to get current setup values.
         '';
-        default = {};
+        default = { };
       };
 
       config = mkOption {
         type = types.attrsOf configModule;
         description = "Per output profile configuration.";
-        default = {};
+        default = { };
       };
 
       hooks = mkOption {
         type = profileHooksModule;
         description = "Profile hook scripts.";
-        default = {};
+        default = { };
       };
     };
   };
@@ -89,7 +90,7 @@ let
       };
 
       rotate = mkOption {
-        type = types.nullOr (types.enum ["normal" "left" "right" "inverted"]);
+        type = types.nullOr (types.enum [ "normal" "left" "right" "inverted" ]);
         description = "Output rotate configuration.";
         default = null;
         example = "left";
@@ -126,7 +127,7 @@ let
         type = types.nullOr (types.submodule {
           options = {
             method = mkOption {
-              type = types.enum ["factor" "pixel" ];
+              type = types.enum [ "factor" "pixel" ];
               description = "Output scaling method.";
               default = "factor";
               example = "pixel";
@@ -178,19 +179,21 @@ let
       postswitch = mkOption {
         type = types.attrsOf hookType;
         description = "Postswitch hook executed after mode switch.";
-        default = {};
+        default = { };
       };
 
       preswitch = mkOption {
         type = types.attrsOf hookType;
         description = "Preswitch hook executed before mode switch.";
-        default = {};
+        default = { };
       };
 
       predetect = mkOption {
         type = types.attrsOf hookType;
-        description = "Predetect hook executed before autorandr attempts to run xrandr.";
+        description = ''
-        default = {};
+          Predetect hook executed before autorandr attempts to run xrandr.
+        '';
+        default = { };
       };
     };
   };
@@ -211,27 +214,37 @@ let
 
       predetect = mkOption {
         type = hookType;
-        description = "Predetect hook executed before autorandr attempts to run xrandr.";
+        description = ''
+          Predetect hook executed before autorandr attempts to run xrandr.
+        '';
         default = "";
       };
     };
   };
 
   hookToFile = folder: name: hook:
-    nameValuePair
+    nameValuePair "autorandr/${folder}/${name}" {
-      "autorandr/${folder}/${name}"
+      source = "${pkgs.writeShellScriptBin "hook" hook}/bin/hook";
-      { source = "${pkgs.writeShellScriptBin "hook" hook}/bin/hook"; };
+    };
-  profileToFiles = name: profile: with profile; mkMerge ([
+  profileToFiles = name: profile:
+    with profile;
+    mkMerge ([
       {
-      "autorandr/${name}/setup".text = concatStringsSep "\n" (mapAttrsToList fingerprintToString fingerprint);
+        "autorandr/${name}/setup".text = concatStringsSep "\n"
-      "autorandr/${name}/config".text = concatStringsSep "\n" (mapAttrsToList configToString profile.config);
+          (mapAttrsToList fingerprintToString fingerprint);
+        "autorandr/${name}/config".text =
+          concatStringsSep "\n" (mapAttrsToList configToString profile.config);
       }
-    (mkIf (hooks.postswitch != "") (listToAttrs [ (hookToFile name "postswitch" hooks.postswitch) ]))
+      (mkIf (hooks.postswitch != "")
-    (mkIf (hooks.preswitch != "") (listToAttrs [ (hookToFile name "preswitch" hooks.preswitch) ]))
+        (listToAttrs [ (hookToFile name "postswitch" hooks.postswitch) ]))
-    (mkIf (hooks.predetect != "") (listToAttrs [ (hookToFile name "predetect" hooks.predetect) ]))
+      (mkIf (hooks.preswitch != "")
+        (listToAttrs [ (hookToFile name "preswitch" hooks.preswitch) ]))
+      (mkIf (hooks.predetect != "")
+        (listToAttrs [ (hookToFile name "predetect" hooks.predetect) ]))
     ]);
   fingerprintToString = name: edid: "${name} ${edid}";
-  configToString = name: config: if config.enable then ''
+  configToString = name: config:
+    if config.enable then ''
       output ${name}
       ${optionalString (config.position != "") "pos ${config.position}"}
       ${optionalString config.primary "primary"}
@@ -240,21 +253,17 @@ let
       ${optionalString (config.mode != "") "mode ${config.mode}"}
       ${optionalString (config.rate != "") "rate ${config.rate}"}
       ${optionalString (config.rotate != null) "rotate ${config.rotate}"}
-    ${optionalString (config.scale != null) (
+      ${optionalString (config.scale != null)
-      (if config.scale.method == "factor" then "scale" else "scale-from")
+      ((if config.scale.method == "factor" then "scale" else "scale-from")
-      + " ${toString config.scale.x}x${toString config.scale.y}"
+        + " ${toString config.scale.x}x${toString config.scale.y}")}
-    )}
+      ${optionalString (config.transform != null) ("transform "
-    ${optionalString (config.transform != null) (
+        + concatMapStringsSep "," toString (flatten config.transform))}
-      "transform " + concatMapStringsSep "," toString (flatten config.transform)
-    )}
     '' else ''
       output ${name}
       off
     '';
 
-in
+in {
-
-{
   options = {
     programs.autorandr = {
       enable = mkEnableOption "Autorandr";
@@ -262,7 +271,7 @@ in
       hooks = mkOption {
         type = globalHooksModule;
         description = "Global hook scripts";
-        default = {};
+        default = { };
         example = literalExample ''
           {
             postswitch = {
@@ -294,7 +303,7 @@ in
       profiles = mkOption {
         type = types.attrsOf profileModule;
         description = "Autorandr profiles specification.";
-        default = {};
+        default = { };
         example = literalExample ''
           {
             "work" = {
@@ -323,18 +332,15 @@ in
   };
 
   config = mkIf cfg.enable {
-    assertions = flatten (mapAttrsToList (
+    assertions = flatten (mapAttrsToList (profile:
-      profile: { config, ... }: mapAttrsToList (
+      { config, ... }:
-        output: opts: {
+      mapAttrsToList (output: opts: {
         assertion = opts.scale == null || opts.transform == null;
         message = ''
           Cannot use the profile output options 'scale' and 'transform' simultaneously.
           Check configuration for: programs.autorandr.profiles.${profile}.config.${output}
         '';
-        })
+      }) config) cfg.profiles);
-        config
-    )
-    cfg.profiles);
 
     home.packages = [ pkgs.autorandr ];
     xdg.configFile = mkMerge ([

modules/programs/bat.nix

@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.bat;
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.marsam ];
 
   options.programs.bat = {
@@ -16,7 +14,7 @@ in
 
     config = mkOption {
       type = types.attrsOf types.str;
-      default = {};
+      default = { };
       example = {
         theme = "TwoDark";
         pager = "less -FR";
@@ -31,10 +29,9 @@ in
   config = mkIf cfg.enable {
     home.packages = [ pkgs.bat ];
 
-    xdg.configFile."bat/config" = mkIf (cfg.config != {}) {
+    xdg.configFile."bat/config" = mkIf (cfg.config != { }) {
-      text = concatStringsSep "\n" (
+      text = concatStringsSep "\n"
-        mapAttrsToList (n: v: ''--${n}="${v}"'') cfg.config
+        (mapAttrsToList (n: v: ''--${n}="${v}"'') cfg.config);
-      );
     };
   };
 }

modules/programs/beets.nix

@@ -6,19 +6,17 @@ let
 
   cfg = config.programs.beets;
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
     programs.beets = {
       enable = mkOption {
         type = types.bool;
-        default =
+        default = if versionAtLeast config.home.stateVersion "19.03" then
-          if versionAtLeast config.home.stateVersion "19.03"
+          false
-          then false
+        else
-          else cfg.settings != {};
+          cfg.settings != { };
         defaultText = "false";
         description = ''
           Whether to enable the beets music library manager. This
@@ -32,7 +30,8 @@ in
         type = types.package;
         default = pkgs.beets;
         defaultText = literalExample "pkgs.beets";
-        example = literalExample "(pkgs.beets.override { enableCheck = true; })";
+        example =
+          literalExample "(pkgs.beets.override { enableCheck = true; })";
         description = ''
           The <literal>beets</literal> package to use.
           Can be used to specify extensions.
@@ -41,7 +40,7 @@ in
 
       settings = mkOption {
         type = types.attrs;
-        default = {};
+        default = { };
         description = ''
           Configuration written to
           <filename>~/.config/beets/config.yaml</filename>

modules/programs/broot.nix

@@ -7,13 +7,11 @@ let
   cfg = config.programs.broot;
 
   configFile = config:
-    pkgs.runCommand "conf.toml"
+    pkgs.runCommand "conf.toml" {
-      {
       buildInputs = [ pkgs.remarshal ];
       preferLocalBuild = true;
       allowSubstitutes = false;
-      }
+    } ''
-      ''
       remarshal -if json -of toml \
         < ${pkgs.writeText "verbs.json" (builtins.toJSON config)} \
         > $out
@@ -21,15 +19,11 @@ let
 
   brootConf = {
     verbs =
-      mapAttrsToList
+      mapAttrsToList (name: value: value // { invocation = name; }) cfg.verbs;
-        (name: value: value // { invocation = name; })
-        cfg.verbs;
     skin = cfg.skin;
   };
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.aheaume ];
 
   options.programs.broot = {
@@ -63,7 +57,10 @@ in
       type = with types; attrsOf (attrsOf (either bool str));
       default = {
         "p" = { execution = ":parent"; };
-        "edit" = { shortcut = "e"; execution = "$EDITOR {file}" ; };
+        "edit" = {
+          shortcut = "e";
+          execution = "$EDITOR {file}";
+        };
         "create {subpath}" = { execution = "$EDITOR {directory}/{subpath}"; };
         "view" = { execution = "less {file}"; };
       };
@@ -114,7 +111,7 @@ in
 
     skin = mkOption {
       type = types.attrsOf types.str;
-      default = {};
+      default = { };
       example = literalExample ''
         {
           status_normal_fg = "grayscale(18)";
@@ -177,8 +174,7 @@ in
     # Dummy file to prevent broot from trying to reinstall itself
     xdg.configFile."broot/launcher/installed".text = "";
 
-    programs.bash.initExtra =
+    programs.bash.initExtra = mkIf cfg.enableBashIntegration (
-      mkIf cfg.enableBashIntegration (
     # Using mkAfter to make it more likely to appear after other
     # manipulations of the prompt.
       mkAfter ''
@@ -207,8 +203,7 @@ in
             rm -f "$f"
             eval "$d"
         }
-        ''
+      '');
-      );
 
     programs.zsh.initExtra = mkIf cfg.enableZshIntegration ''
       # This script was automatically generated by the broot function

modules/programs/browserpass.nix

@@ -2,13 +2,7 @@
 
 with lib;
 
-let
+let browsers = [ "chrome" "chromium" "firefox" "vivaldi" ];
-  browsers = [
-    "chrome"
-    "chromium"
-    "firefox"
-    "vivaldi"
-  ];
 in {
   options = {
     programs.browserpass = {
@@ -24,25 +18,26 @@ in {
   };
 
   config = mkIf config.programs.browserpass.enable {
-    home.file =
+    home.file = foldl' (a: b: a // b) { } (concatMap (x:
-      foldl' (a: b: a // b) {}
+      with pkgs.stdenv;
-      (concatMap (x: with pkgs.stdenv;
       if x == "chrome" then
-          let dir = if isDarwin
+        let
-            then "Library/Application Support/Google/Chrome/NativeMessagingHosts"
+          dir = if isDarwin then
-            else ".config/google-chrome/NativeMessagingHosts";
+            "Library/Application Support/Google/Chrome/NativeMessagingHosts"
-          in [
+          else
-            {
+            ".config/google-chrome/NativeMessagingHosts";
+        in [{
           "${dir}/com.github.browserpass.native.json".source =
             "${pkgs.browserpass}/lib/browserpass/hosts/chromium/com.github.browserpass.native.json";
           "${dir}/../policies/managed/com.github.browserpass.native.json".source =
             "${pkgs.browserpass}/lib/browserpass/policies/chromium/com.github.browserpass.native.json";
-            }
+        }]
-          ]
       else if x == "chromium" then
-          let dir = if isDarwin
+        let
-            then "Library/Application Support/Chromium/NativeMessagingHosts"
+          dir = if isDarwin then
-            else ".config/chromium/NativeMessagingHosts";
+            "Library/Application Support/Chromium/NativeMessagingHosts"
+          else
+            ".config/chromium/NativeMessagingHosts";
         in [
           {
             "${dir}/com.github.browserpass.native.json".source =
@@ -54,28 +49,28 @@ in {
           }
         ]
       else if x == "firefox" then
-          let dir = if isDarwin
+        let
-            then "Library/Application Support/Mozilla/NativeMessagingHosts"
+          dir = if isDarwin then
-            else ".mozilla/native-messaging-hosts";
+            "Library/Application Support/Mozilla/NativeMessagingHosts"
-          in [
+          else
-            {
+            ".mozilla/native-messaging-hosts";
+        in [{
           "${dir}/com.github.browserpass.native.json".source =
             "${pkgs.browserpass}/lib/browserpass/hosts/firefox/com.github.browserpass.native.json";
-            }
+        }]
-          ]
       else if x == "vivaldi" then
-          let dir = if isDarwin
+        let
-            then "Library/Application Support/Vivaldi/NativeMessagingHosts"
+          dir = if isDarwin then
-            else ".config/vivaldi/NativeMessagingHosts";
+            "Library/Application Support/Vivaldi/NativeMessagingHosts"
-          in [
+          else
-            {
+            ".config/vivaldi/NativeMessagingHosts";
+        in [{
           "${dir}/com.github.browserpass.native.json".source =
             "${pkgs.browserpass}/lib/browserpass/hosts/chromium/com.github.browserpass.native.json";
           "${dir}/../policies/managed/com.github.browserpass.native.json".source =
             "${pkgs.browserpass}/lib/browserpass/policies/chromium/com.github.browserpass.native.json";
-            }
+        }]
-          ]
+      else
-        else throw "unknown browser ${x}") config.programs.browserpass.browsers
+        throw "unknown browser ${x}") config.programs.browserpass.browsers);
-      );
   };
 }

modules/programs/chromium.nix

@@ -5,10 +5,8 @@ with lib;
 let
 
   browserModule = defaultPkg: name: visible:
-    let
+    let browser = (builtins.parseDrvName defaultPkg.name).name;
-      browser = (builtins.parseDrvName defaultPkg.name).name;
+    in {
-    in
-      {
       enable = mkOption {
         inherit visible;
         default = false;
@@ -28,7 +26,7 @@ let
       extensions = mkOption {
         inherit visible;
         type = types.listOf types.str;
-          default = [];
+        default = [ ];
         example = literalExample ''
           [
             "chlffgpmiacpedhhbkiomidkjlcfhogd" # pushbullet
@@ -57,31 +55,32 @@ let
         google-chrome-dev = "Google/Chrome Dev";
       };
 
-      configDir = if pkgs.stdenv.isDarwin
+      configDir = if pkgs.stdenv.isDarwin then
-        then "Library/Application Support/${getAttr browser darwinDirs}"
+        "Library/Application Support/${getAttr browser darwinDirs}"
-        else "${config.xdg.configHome}/${browser}";
+      else
+        "${config.xdg.configHome}/${browser}";
 
       extensionJson = ext: {
         name = "${configDir}/External Extensions/${ext}.json";
         value.text = builtins.toJSON {
-          external_update_url = "https://clients2.google.com/service/update2/crx";
+          external_update_url =
+            "https://clients2.google.com/service/update2/crx";
         };
       };
 
-    in
+    in mkIf cfg.enable {
-      mkIf cfg.enable {
       home.packages = [ cfg.package ];
       home.file = listToAttrs (map extensionJson cfg.extensions);
     };
 
-in
+in {
-
-{
   options.programs = {
     chromium = browserModule pkgs.chromium "Chromium" true;
     google-chrome = browserModule pkgs.google-chrome "Google Chrome" false;
-    google-chrome-beta = browserModule pkgs.google-chrome-beta "Google Chrome Beta" false;
+    google-chrome-beta =
-    google-chrome-dev = browserModule pkgs.google-chrome-dev "Google Chrome Dev" false;
+      browserModule pkgs.google-chrome-beta "Google Chrome Beta" false;
+    google-chrome-dev =
+      browserModule pkgs.google-chrome-dev "Google Chrome Dev" false;
   };
 
   config = mkMerge [

modules/programs/command-not-found/command-not-found.nix

@@ -13,8 +13,11 @@ let
     isExecutable = true;
     inherit (pkgs) perl;
     inherit (cfg) dbPath;
-    perlFlags = concatStrings (map (path: "-I ${path}/lib/perl5/site_perl ")
+    perlFlags = concatStrings (map (path: "-I ${path}/lib/perl5/site_perl ") [
-      [ pkgs.perlPackages.DBI pkgs.perlPackages.DBDSQLite pkgs.perlPackages.StringShellQuote ]);
+      pkgs.perlPackages.DBI
+      pkgs.perlPackages.DBDSQLite
+      pkgs.perlPackages.StringShellQuote
+    ]);
   };
 
   shInit = commandNotFoundHandlerName: ''
@@ -31,14 +34,13 @@ let
     }
   '';
 
-in
+in {
-
-{
   options.programs.command-not-found = {
     enable = mkEnableOption "command-not-found hook for interactive shell";
 
     dbPath = mkOption {
-      default = "/nix/var/nix/profiles/per-user/root/channels/nixos/programs.sqlite" ;
+      default =
+        "/nix/var/nix/profiles/per-user/root/channels/nixos/programs.sqlite";
       description = ''
         Absolute path to <filename>programs.sqlite</filename>. By
         default this file will be provided by your channel

modules/programs/direnv.nix

@@ -6,21 +6,17 @@ let
 
   cfg = config.programs.direnv;
   configFile = config:
-    pkgs.runCommand "config.toml"
+    pkgs.runCommand "config.toml" {
-      {
       buildInputs = [ pkgs.remarshal ];
       preferLocalBuild = true;
       allowSubstitutes = false;
-      }
+    } ''
-      ''
       remarshal -if json -of toml \
         < ${pkgs.writeText "config.json" (builtins.toJSON config)} \
         > $out
     '';
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.rycee ];
 
   options.programs.direnv = {
@@ -28,7 +24,7 @@ in
 
     config = mkOption {
       type = types.attrs;
-      default = {};
+      default = { };
       description = ''
         Configuration written to
         <filename>~/.config/direnv/config.toml</filename>.
@@ -79,22 +75,18 @@ in
   config = mkIf cfg.enable {
     home.packages = [ pkgs.direnv ];
 
-    xdg.configFile."direnv/config.toml" = mkIf (cfg.config != {}) {
+    xdg.configFile."direnv/config.toml" =
-      source = configFile cfg.config;
+      mkIf (cfg.config != { }) { source = configFile cfg.config; };
-    };
 
-    xdg.configFile."direnv/direnvrc" = mkIf (cfg.stdlib != "") {
+    xdg.configFile."direnv/direnvrc" =
-      text = cfg.stdlib;
+      mkIf (cfg.stdlib != "") { text = cfg.stdlib; };
-    };
 
-    programs.bash.initExtra =
+    programs.bash.initExtra = mkIf cfg.enableBashIntegration (
-      mkIf cfg.enableBashIntegration (
     # Using mkAfter to make it more likely to appear after other
     # manipulations of the prompt.
       mkAfter ''
         eval "$(${pkgs.direnv}/bin/direnv hook bash)"
-        ''
+      '');
-      );
 
     programs.zsh.initExtra = mkIf cfg.enableZshIntegration ''
       eval "$(${pkgs.direnv}/bin/direnv hook zsh)"

modules/programs/eclipse.nix

@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.eclipse;
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -27,13 +25,13 @@ in
 
       jvmArgs = mkOption {
         type = types.listOf types.str;
-        default = [];
+        default = [ ];
         description = "JVM arguments to use for the Eclipse process.";
       };
 
       plugins = mkOption {
         type = types.listOf types.package;
-        default = [];
+        default = [ ];
         description = "Plugins that should be added to Eclipse.";
       };
     };
@@ -43,9 +41,7 @@ in
     home.packages = [
       (pkgs.eclipses.eclipseWithPlugins {
         eclipse = pkgs.eclipses.eclipse-platform;
-        jvmArgs =
+        jvmArgs = cfg.jvmArgs ++ optional cfg.enableLombok
-          cfg.jvmArgs
-          ++ optional cfg.enableLombok
           "-javaagent:${pkgs.lombok}/share/java/lombok.jar";
         plugins = cfg.plugins;
       })

modules/programs/feh.nix

@@ -9,16 +9,17 @@ let
   disableBinding = func: key: func;
   enableBinding = func: key: "${func} ${toString key}";
 
-in
+in {
-
-{
   options.programs.feh = {
     enable = mkEnableOption "feh - a fast and light image viewer";
 
     buttons = mkOption {
-      default = {};
+      default = { };
       type = with types; attrsOf (nullOr (either str int));
-      example = { zoom_in = 4; zoom_out = "C-4"; };
+      example = {
+        zoom_in = 4;
+        zoom_out = "C-4";
+      };
       description = ''
         Override feh's default mouse button mapping. If you want to disable an
         action, set its value to null.
@@ -28,9 +29,12 @@ in
     };
 
     keybindings = mkOption {
-      default = {};
+      default = { };
       type = types.attrsOf (types.nullOr types.str);
-      example = { zoom_in = "plus"; zoom_out = "minus"; };
+      example = {
+        zoom_in = "plus";
+        zoom_out = "minus";
+      };
       description = ''
         Override feh's default keybindings. If you want to disable a keybinding
         set its value to null.
@@ -41,23 +45,26 @@ in
   };
 
   config = mkIf cfg.enable {
-    assertions = [
+    assertions = [{
-      {
+      assertion = ((filterAttrs (n: v: v == "") cfg.keybindings) == { });
-        assertion = ((filterAttrs (n: v: v == "") cfg.keybindings) == {});
+      message =
-	message = "To disable a keybinding, use `null` instead of an empty string.";
+        "To disable a keybinding, use `null` instead of an empty string.";
-      }
+    }];
-    ];
 
     home.packages = [ pkgs.feh ];
 
     xdg.configFile."feh/buttons".text = ''
-      ${concatStringsSep "\n" (mapAttrsToList disableBinding (filterAttrs (n: v: v == null) cfg.buttons))}
+      ${concatStringsSep "\n" (mapAttrsToList disableBinding
-      ${concatStringsSep "\n" (mapAttrsToList enableBinding (filterAttrs (n: v: v != null) cfg.buttons))}
+        (filterAttrs (n: v: v == null) cfg.buttons))}
+      ${concatStringsSep "\n" (mapAttrsToList enableBinding
+        (filterAttrs (n: v: v != null) cfg.buttons))}
     '';
 
     xdg.configFile."feh/keys".text = ''
-      ${concatStringsSep "\n" (mapAttrsToList disableBinding (filterAttrs (n: v: v == null) cfg.keybindings))}
+      ${concatStringsSep "\n" (mapAttrsToList disableBinding
-      ${concatStringsSep "\n" (mapAttrsToList enableBinding (filterAttrs (n: v: v != null) cfg.keybindings))}
+        (filterAttrs (n: v: v == null) cfg.keybindings))}
+      ${concatStringsSep "\n" (mapAttrsToList enableBinding
+        (filterAttrs (n: v: v != null) cfg.keybindings))}
     '';
   };
 }

modules/programs/fzf.nix

@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.fzf;
 
-in
+in {
-
-{
   options.programs.fzf = {
     enable = mkEnableOption "fzf - a command-line fuzzy finder";
 
@@ -24,7 +22,7 @@ in
 
     defaultOptions = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       example = [ "--height 40%" "--border" ];
       description = ''
         Extra command line options given to fzf by default.
@@ -43,7 +41,7 @@ in
 
     fileWidgetOptions = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       example = [ "--preview 'head {}'" ];
       description = ''
         Command line options for the CTRL-T keybinding.
@@ -53,7 +51,7 @@ in
     changeDirWidgetCommand = mkOption {
       type = types.nullOr types.str;
       default = null;
-      example = "fd --type d" ;
+      example = "fd --type d";
       description = ''
         The command that gets executed as the source for fzf for the
         ALT-C keybinding.
@@ -62,7 +60,7 @@ in
 
     changeDirWidgetOptions = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       example = [ "--preview 'tree -C {} | head -200'" ];
       description = ''
         Command line options for the ALT-C keybinding.
@@ -80,7 +78,7 @@ in
 
     historyWidgetOptions = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       example = [ "--sort" "--exact" ];
       description = ''
         Command line options for the CTRL-R keybinding.
@@ -107,9 +105,8 @@ in
   config = mkIf cfg.enable {
     home.packages = [ pkgs.fzf ];
 
-    home.sessionVariables =
+    home.sessionVariables = mapAttrs (n: v: toString v)
-      mapAttrs (n: v: toString v) (
+      (filterAttrs (n: v: v != [ ] && v != null) {
-        filterAttrs (n: v: v != [] && v != null) {
         FZF_ALT_C_COMMAND = cfg.changeDirWidgetCommand;
         FZF_ALT_C_OPTS = cfg.changeDirWidgetOptions;
         FZF_CTRL_R_COMMAND = cfg.historyWidgetCommand;
@@ -118,8 +115,7 @@ in
         FZF_CTRL_T_OPTS = cfg.fileWidgetOptions;
         FZF_DEFAULT_COMMAND = cfg.defaultCommand;
         FZF_DEFAULT_OPTS = cfg.defaultOptions;
-        }
+      });
-      );
 
     programs.bash.initExtra = mkIf cfg.enableBashIntegration ''
       if [[ :$SHELLOPTS: =~ :(vi|emacs): ]]; then

modules/programs/getmail-accounts.nix

@@ -17,8 +17,8 @@ with lib;
 
     mailboxes = mkOption {
       type = types.nonEmptyListOf types.str;
-      default = [];
+      default = [ ];
-      example = ["INBOX" "INBOX.spam"];
+      example = [ "INBOX" "INBOX.spam" ];
       description = ''
         A non-empty list of mailboxes. To download all mail you can
         use the <literal>ALL</literal> mailbox.

modules/programs/getmail.nix

@@ -4,24 +4,23 @@ with lib;
 
 let
 
-  accounts = filter (a: a.getmail.enable)
+  accounts =
-    (attrValues config.accounts.email.accounts);
+    filter (a: a.getmail.enable) (attrValues config.accounts.email.accounts);
 
-  renderAccountConfig = account: with account;
+  renderAccountConfig = account:
+    with account;
     let
       passCmd = concatMapStringsSep ", " (x: "'${x}'") passwordCommand;
-      renderedMailboxes = concatMapStringsSep ", " (x: "'${x}'") getmail.mailboxes;
+      renderedMailboxes =
-      retrieverType = if imap.tls.enable
+        concatMapStringsSep ", " (x: "'${x}'") getmail.mailboxes;
-        then "SimpleIMAPSSLRetriever"
+      retrieverType = if imap.tls.enable then
-        else "SimpleIMAPRetriever";
+        "SimpleIMAPSSLRetriever"
-      destination = if getmail.destinationCommand != null
+      else
-        then
+        "SimpleIMAPRetriever";
-        {
+      destination = if getmail.destinationCommand != null then {
         destinationType = "MDA_external";
         destinationPath = getmail.destinationCommand;
-        }
+      } else {
-        else
-        {
         destinationType = "Maildir";
         destinationPath = "${maildir.absPath}/";
       };
@@ -46,14 +45,12 @@ let
     '';
   getmailEnabled = length (filter (a: a.getmail.enable) accounts) > 0;
   # Watch out! This is used by the getmail.service too!
-  renderConfigFilepath = a: ".getmail/getmail${if a.primary then "rc" else a.name}";
+  renderConfigFilepath = a:
+    ".getmail/getmail${if a.primary then "rc" else a.name}";
 
-in
+in {
-
-{
   config = mkIf getmailEnabled {
-    home.file =
+    home.file = foldl' (a: b: a // b) { }
-      foldl' (a: b: a // b) {}
       (map (a: { "${renderConfigFilepath a}".text = renderAccountConfig a; })
         accounts);
   };

modules/programs/git.nix

@@ -14,36 +14,31 @@ let
       section = head sections;
       subsections = tail sections;
       subsection = concatStringsSep "." subsections;
-    in
+    in if containsQuote || subsections == [ ] then
-      if containsQuote || subsections == []
+      name
-      then name
+    else
-      else "${section} \"${subsection}\"";
+      ''${section} "${subsection}"'';
 
   # generation for multiple ini values
   mkKeyValue = k: v:
-    let
+    let mkKeyValue = generators.mkKeyValueDefault { } "=" k;
-      mkKeyValue = generators.mkKeyValueDefault {} "=" k;
+    in concatStringsSep "\n" (map mkKeyValue (toList v));
-    in
-      concatStringsSep "\n" (map mkKeyValue (toList v));
 
   # converts { a.b.c = 5; } to { "a.b".c = 5; } for toINI
-  gitFlattenAttrs =
+  gitFlattenAttrs = let
-    let
     recurse = path: value:
       if isAttrs value then
-          mapAttrsToList (name: value: recurse ([name] ++ path) value) value
+        mapAttrsToList (name: value: recurse ([ name ] ++ path) value) value
-        else if length path > 1 then
+      else if length path > 1 then {
-          { ${concatStringsSep "." (reverseList (tail path))}.${head path} = value; }
+        ${concatStringsSep "." (reverseList (tail path))}.${head path} = value;
-        else
+      } else {
-          { ${head path} = value; };
+        ${head path} = value;
-    in
+      };
-      attrs: foldl recursiveUpdate {} (flatten (recurse [] attrs));
+  in attrs: foldl recursiveUpdate { } (flatten (recurse [ ] attrs));
 
   gitToIni = attrs:
-    let
+    let toIni = generators.toINI { inherit mkKeyValue mkSectionName; };
-      toIni = generators.toINI { inherit mkKeyValue mkSectionName; };
+    in toIni (gitFlattenAttrs attrs);
-    in
-      toIni (gitFlattenAttrs attrs);
 
   gitIniType = with types;
     let
@@ -51,8 +46,7 @@ let
       multipleType = either primitiveType (listOf primitiveType);
       sectionType = attrsOf multipleType;
       supersectionType = attrsOf (either multipleType sectionType);
-    in
+    in attrsOf supersectionType;
-      attrsOf supersectionType;
 
   signModule = types.submodule {
     options = {
@@ -98,21 +92,18 @@ let
 
       contents = mkOption {
         type = types.attrs;
-        default = {};
+        default = { };
         description = ''
           Configuration to include. If empty then a path must be given.
         '';
       };
     };
 
-    config.path = mkIf (config.contents != {}) (
+    config.path = mkIf (config.contents != { })
-      mkDefault (pkgs.writeText "contents" (gitToIni config.contents))
+      (mkDefault (pkgs.writeText "contents" (gitToIni config.contents)));
-    );
   });
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -143,7 +134,7 @@ in
 
       aliases = mkOption {
         type = types.attrsOf types.str;
-        default = {};
+        default = { };
         example = { co = "checkout"; };
         description = "Git aliases to define.";
       };
@@ -156,7 +147,7 @@ in
 
       extraConfig = mkOption {
         type = types.either types.lines gitIniType;
-        default = {};
+        default = { };
         example = {
           core = { whitespace = "trailing-space,space-before-tab"; };
           url."ssh://git@host".insteadOf = "otherhost";
@@ -174,21 +165,21 @@ in
 
       ignores = mkOption {
         type = types.listOf types.str;
-        default = [];
+        default = [ ];
         example = [ "*~" "*.swp" ];
         description = "List of paths that should be globally ignored.";
       };
 
       attributes = mkOption {
         type = types.listOf types.str;
-        default = [];
+        default = [ ];
         example = [ "*.pdf diff=pdf" ];
         description = "List of defining attributes set globally.";
       };
 
       includes = mkOption {
         type = types.listOf includeModule;
-        default = [];
+        default = [ ];
         example = literalExample ''
           [
             { path = "~/path/to/config.inc"; }
@@ -217,8 +208,7 @@ in
     };
   };
 
-  config = mkIf cfg.enable (
+  config = mkIf cfg.enable (mkMerge [
-    mkMerge [
     {
       home.packages = [ cfg.package ];
 
@@ -230,33 +220,31 @@ in
       xdg.configFile = {
         "git/config".text = gitToIni cfg.iniContent;
 
-          "git/ignore" = mkIf (cfg.ignores != []) {
+        "git/ignore" = mkIf (cfg.ignores != [ ]) {
           text = concatStringsSep "\n" cfg.ignores + "\n";
         };
 
-          "git/attributes" = mkIf (cfg.attributes != []) {
+        "git/attributes" = mkIf (cfg.attributes != [ ]) {
           text = concatStringsSep "\n" cfg.attributes + "\n";
         };
       };
     }
 
     {
-        programs.git.iniContent =
+      programs.git.iniContent = let
-          let
         hasSmtp = name: account: account.smtp != null;
 
-            genIdentity = name: account: with account;
+        genIdentity = name: account:
+          with account;
           nameValuePair "sendemail.${name}" ({
             smtpEncryption = if smtp.tls.enable then "tls" else "";
             smtpServer = smtp.host;
             smtpUser = userName;
             from = address;
-              }
+          } // optionalAttrs (smtp.port != null) {
-              // optionalAttrs (smtp.port != null) {
             smtpServerPort = smtp.port;
           });
-          in
+      in mapAttrs' genIdentity
-            mapAttrs' genIdentity
       (filterAttrs hasSmtp config.accounts.email.accounts);
     }
 
@@ -268,58 +256,48 @@ in
       };
     })
 
-      (mkIf (cfg.aliases != {}) {
+    (mkIf (cfg.aliases != { }) { programs.git.iniContent.alias = cfg.aliases; })
-        programs.git.iniContent.alias = cfg.aliases;
-      })
 
     (mkIf (lib.isAttrs cfg.extraConfig) {
       programs.git.iniContent = cfg.extraConfig;
     })
 
     (mkIf (lib.isString cfg.extraConfig) {
-        warnings = [
+      warnings = [''
-          ''
         Using programs.git.extraConfig as a string option is
         deprecated and will be removed in the future. Please
         change to using it as an attribute set instead.
-          ''
+      ''];
-        ];
 
       xdg.configFile."git/config".text = cfg.extraConfig;
     })
 
-      (mkIf (cfg.includes != []) {
+    (mkIf (cfg.includes != [ ]) {
-        xdg.configFile."git/config".text =
+      xdg.configFile."git/config".text = let
-          let
+        include = i:
-            include = i: with i;
+          with i;
-              if condition != null
+          if condition != null then {
-              then { includeIf.${condition}.path = "${path}"; }
+            includeIf.${condition}.path = "${path}";
-              else { include.path = "${path}"; };
+          } else {
-          in
+            include.path = "${path}";
-            mkAfter
+          };
-            (concatStringsSep "\n"
+      in mkAfter
-            (map gitToIni
+      (concatStringsSep "\n" (map gitToIni (map include cfg.includes)));
-            (map include cfg.includes)));
     })
 
     (mkIf cfg.lfs.enable {
       home.packages = [ pkgs.git-lfs ];
 
       programs.git.iniContent.filter.lfs =
-          let
+        let skipArg = optional cfg.lfs.skipSmudge "--skip";
-            skipArg = optional cfg.lfs.skipSmudge "--skip";
+        in {
-          in
-            {
           clean = "git-lfs clean -- %f";
-              process = concatStringsSep " " (
+          process =
-                [ "git-lfs" "filter-process" ] ++ skipArg
+            concatStringsSep " " ([ "git-lfs" "filter-process" ] ++ skipArg);
-              );
           required = true;
-              smudge = concatStringsSep " " (
+          smudge = concatStringsSep " "
-                [ "git-lfs" "smudge" ] ++ skipArg ++ [ "--" "%f" ]
+            ([ "git-lfs" "smudge" ] ++ skipArg ++ [ "--" "%f" ]);
-              );
         };
     })
-    ]
+  ]);
-  );
 }

modules/programs/gnome-terminal.nix

@@ -11,8 +11,7 @@ let
     . ${pkgs.gnome3.vte}/etc/profile.d/vte.sh
   '';
 
-  backForeSubModule = types.submodule (
+  backForeSubModule = types.submodule ({ ... }: {
-    { ... }: {
     options = {
       foreground = mkOption {
         type = types.str;
@@ -24,11 +23,9 @@ let
         description = "The background color.";
       };
     };
-    }
+  });
-  );
 
-  profileColorsSubModule = types.submodule (
+  profileColorsSubModule = types.submodule ({ ... }: {
-    { ... }: {
     options = {
       foregroundColor = mkOption {
         type = types.str;
@@ -63,11 +60,9 @@ let
         description = "The colors for the terminal’s highlighted area.";
       };
     };
-    }
+  });
-  );
 
-  profileSubModule = types.submodule (
+  profileSubModule = types.submodule ({ name, config, ... }: {
-    { name, config, ... }: {
     options = {
       default = mkOption {
         default = false;
@@ -122,14 +117,12 @@ let
       scrollbackLines = mkOption {
         default = 10000;
         type = types.nullOr types.int;
-          description =
+        description = ''
-            ''
           The number of scrollback lines to keep, null for infinite.
         '';
       };
     };
-    }
+  });
-  );
 
   buildProfileSet = pcfg:
     {
@@ -137,56 +130,41 @@ let
       scrollbar-policy = if pcfg.showScrollbar then "always" else "never";
       scrollback-lines = pcfg.scrollbackLines;
       cursor-shape = pcfg.cursorShape;
-    }
+    } // (if (pcfg.font == null) then {
-    // (
+      use-system-font = true;
-      if (pcfg.font == null)
+    } else {
-      then { use-system-font = true; }
+      use-system-font = false;
-      else { use-system-font = false; font = pcfg.font; }
+      font = pcfg.font;
-    ) // (
+    }) // (if (pcfg.colors == null) then {
-      if (pcfg.colors == null)
+      use-theme-colors = true;
-      then { use-theme-colors = true; }
+    } else
-      else (
+      ({
-        {
         use-theme-colors = false;
         foreground-color = pcfg.colors.foregroundColor;
         background-color = pcfg.colors.backgroundColor;
         palette = pcfg.colors.palette;
-        }
+      } // optionalAttrs (pcfg.allowBold != null) {
-        // optionalAttrs (pcfg.allowBold != null) {
         allow-bold = pcfg.allowBold;
-        }
+      } // (if (pcfg.colors.boldColor == null) then {
-        // (
+        bold-color-same-as-fg = true;
-          if (pcfg.colors.boldColor == null)
+      } else {
-          then { bold-color-same-as-fg = true; }
-          else {
         bold-color-same-as-fg = false;
         bold-color = pcfg.colors.boldColor;
-          }
+      }) // (if (pcfg.colors.cursor != null) then {
-        )
-        // (
-          if (pcfg.colors.cursor != null)
-          then {
         cursor-colors-set = true;
         cursor-foreground-color = pcfg.colors.cursor.foreground;
         cursor-background-color = pcfg.colors.cursor.background;
-          }
+      } else {
-          else { cursor-colors-set = false; }
+        cursor-colors-set = false;
-        )
+      }) // (if (pcfg.colors.highlight != null) then {
-        // (
-          if (pcfg.colors.highlight != null)
-          then {
         highlight-colors-set = true;
         highlight-foreground-color = pcfg.colors.highlight.foreground;
         highlight-background-color = pcfg.colors.highlight.background;
-          }
+      } else {
-          else { highlight-colors-set = false; }
+        highlight-colors-set = false;
-        )
+      })));
-      )
-    );
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -206,7 +184,7 @@ in
       };
 
       profile = mkOption {
-        default = {};
+        default = { };
         type = types.attrsOf profileSubModule;
         description = "A set of Gnome Terminal profiles.";
       };
@@ -216,11 +194,8 @@ in
   config = mkIf cfg.enable {
     home.packages = [ pkgs.gnome3.gnome_terminal ];
 
-    dconf.settings =
+    dconf.settings = let dconfPath = "org/gnome/terminal/legacy";
-      let
+    in {
-        dconfPath = "org/gnome/terminal/legacy";
-      in
-        {
       "${dconfPath}" = {
         default-show-menubar = cfg.showMenubar;
         theme-variant = cfg.themeVariant;
@@ -231,10 +206,9 @@ in
         default = head (attrNames (filterAttrs (n: v: v.default) cfg.profile));
         list = attrNames cfg.profile;
       };
-        }
+    } // mapAttrs'
-        // mapAttrs' (n: v:
+    (n: v: nameValuePair ("${dconfPath}/profiles:/:${n}") (buildProfileSet v))
-          nameValuePair ("${dconfPath}/profiles:/:${n}") (buildProfileSet v)
+    cfg.profile;
-        ) cfg.profile;
 
     programs.bash.initExtra = mkBefore vteInitStr;
     programs.zsh.initExtra = vteInitStr;

modules/programs/go.nix

@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.go;
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.rvolosatovs ];
 
   options = {
@@ -24,7 +22,7 @@ in
 
       packages = mkOption {
         type = with types; attrsOf path;
-        default = {};
+        default = { };
         example = literalExample ''
           {
             "golang.org/x/text" = builtins.fetchGit "https://go.googlesource.com/text";
@@ -47,13 +45,10 @@ in
 
       extraGoPaths = mkOption {
         type = types.listOf types.str;
-        default = [];
+        default = [ ];
         example = [ "extraGoPath1" "extraGoPath2" ];
-        description =
+        description = let goPathOpt = "programs.go.goPath";
-          let
+        in ''
-            goPathOpt = "programs.go.goPath";
-          in
-          ''
           Extra <envar>GOPATH</envar>s relative to <envar>HOME</envar> appended
           after
           <varname><link linkend="opt-${goPathOpt}">${goPathOpt}</link></varname>,
@@ -74,24 +69,21 @@ in
     {
       home.packages = [ cfg.package ];
 
-      home.file =
+      home.file = let
-        let
         goPath = if cfg.goPath != null then cfg.goPath else "go";
         mkSrc = n: v: { "${goPath}/src/${n}".source = v; };
-        in
+      in foldl' (a: b: a // b) { } (mapAttrsToList mkSrc cfg.packages);
-          foldl' (a: b: a // b) {} (mapAttrsToList mkSrc cfg.packages);
     }
 
     (mkIf (cfg.goPath != null) {
-      home.sessionVariables.GOPATH =
+      home.sessionVariables.GOPATH = concatStringsSep ":" (map builtins.toPath
-        concatStringsSep ":"
-        (map builtins.toPath
         (map (path: "${config.home.homeDirectory}/${path}")
-        ([cfg.goPath] ++ cfg.extraGoPaths)));
+          ([ cfg.goPath ] ++ cfg.extraGoPaths)));
     })
 
     (mkIf (cfg.goBin != null) {
-      home.sessionVariables.GOBIN = builtins.toPath "${config.home.homeDirectory}/${cfg.goBin}";
+      home.sessionVariables.GOBIN =
+        builtins.toPath "${config.home.homeDirectory}/${cfg.goBin}";
     })
   ]);
 }

modules/programs/home-manager.nix

@@ -8,9 +8,7 @@ let
 
   dag = config.lib.dag;
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -33,10 +31,7 @@ in
   };
 
   config = mkIf (cfg.enable && !config.submoduleSupport.enable) {
-    home.packages = [
+    home.packages =
-      (pkgs.callPackage ../../home-manager {
+      [ (pkgs.callPackage ../../home-manager { inherit (cfg) path; }) ];
-        inherit (cfg) path;
-      })
-    ];
   };
 }

modules/programs/htop.nix

@@ -3,6 +3,7 @@
 with lib;
 
 let
+
   cfg = config.programs.htop;
 
   list = xs: concatMapStrings (x: "${toString x} ") xs;
@@ -81,16 +82,15 @@ let
     RightCPUs2 = 1;
     Blank = 2;
     CPU = 1;
-    "CPU(1)"= 1;
+    "CPU(1)" = 1;
     "CPU(2)" = 1;
     "CPU(3)" = 1;
     "CPU(4)" = 1;
   };
 
-  singleMeterType = types.coercedTo
+  singleMeterType = let
-    (types.enum (attrNames meters))
+    meterEnum = types.enum (attrNames meters);
-    (m: { kind = m; mode = meters.${m}; })
+    meterSubmodule = types.submodule {
-    (types.submodule {
       options = {
         kind = mkOption {
           type = types.enum (attrNames meters);
@@ -101,10 +101,15 @@ let
         mode = mkOption {
           type = types.enum [ 1 2 3 4 ];
           example = 2;
-          description = "Which mode the meter should use, one of 1(Bar) 2(Text) 3(Graph) 4(LED).";
+          description =
+            "Which mode the meter should use, one of 1(Bar) 2(Text) 3(Graph) 4(LED).";
         };
       };
-    });
+    };
+  in types.coercedTo meterEnum (m: {
+    kind = m;
+    mode = meters.${m};
+  }) meterSubmodule;
 
   meterType = types.submodule {
     options = {
@@ -115,7 +120,10 @@ let
           "Memory"
           "LeftCPUs2"
           "RightCPUs2"
-          { kind = "CPU"; mode = 3; }
+          {
+            kind = "CPU";
+            mode = 3;
+          }
         ];
         type = types.listOf singleMeterType;
       };
@@ -123,7 +131,10 @@ let
         description = "Meters shown in the right header.";
         default = [ "Tasks" "LoadAverage" "Uptime" ];
         example = [
-          { kind = "Clock"; mode = 4; }
+          {
+            kind = "Clock";
+            mode = 4;
+          }
           "Uptime"
           "Tasks"
         ];
@@ -131,15 +142,37 @@ let
       };
     };
   };
-in
+
-{
+in {
   options.programs.htop = {
     enable = mkEnableOption "htop";
 
     fields = mkOption {
       type = types.listOf (types.enum (attrNames fields));
-      default = [ "PID" "USER" "PRIORITY" "NICE" "M_SIZE" "M_RESIDENT" "M_SHARE" "STATE" "PERCENT_CPU" "PERCENT_MEM" "TIME" "COMM" ];
+      default = [
-      example = [ "PID" "USER" "PRIORITY" "PERCENT_CPU" "M_RESIDENT" "PERCENT_MEM" "TIME" "COMM" ];
+        "PID"
+        "USER"
+        "PRIORITY"
+        "NICE"
+        "M_SIZE"
+        "M_RESIDENT"
+        "M_SHARE"
+        "STATE"
+        "PERCENT_CPU"
+        "PERCENT_MEM"
+        "TIME"
+        "COMM"
+      ];
+      example = [
+        "PID"
+        "USER"
+        "PRIORITY"
+        "PERCENT_CPU"
+        "M_RESIDENT"
+        "PERCENT_MEM"
+        "TIME"
+        "COMM"
+      ];
       description = "Active fields shown in the table.";
     };
 
@@ -225,7 +258,8 @@ in
     detailedCpuTime = mkOption {
       type = types.bool;
       default = false;
-      description = "Detailed CPU time (System/IO-Wait/Hard-IRQ/Soft-IRQ/Steal/Guest).";
+      description =
+        "Detailed CPU time (System/IO-Wait/Hard-IRQ/Soft-IRQ/Steal/Guest).";
     };
 
     cpuCountFromZero = mkOption {
@@ -272,14 +306,23 @@ in
           "CPU"
           "LeftCPUs2"
           "RightCPUs2"
-          { kind = "CPU"; mode = 3; }
+          {
+            kind = "CPU";
+            mode = 3;
+          }
         ];
         right = [
-          { kind = "Clock"; mode = 4; }
+          {
+            kind = "Clock";
+            mode = 4;
+          }
           "Uptime"
           "Tasks"
           "LoadAverage"
-          { kind = "Battery"; mode = 1; }
+          {
+            kind = "Battery";
+            mode = 1;
+          }
         ];
       };
       type = meterType;

modules/programs/info.nix

@@ -34,9 +34,7 @@ let
   # from this package in the activation script.
   infoPkg = pkgs.texinfoInteractive;
 
-in
+in {
-
-{
   options = {
     programs.info = {
       enable = mkEnableOption "GNU Info";
@@ -55,7 +53,8 @@ in
     home.sessionVariables.INFOPATH =
       "${cfg.homeInfoDirLocation}\${INFOPATH:+:}\${INFOPATH}";
 
-    home.activation.createHomeInfoDir = hm.dag.entryAfter ["installPackages"] ''
+    home.activation.createHomeInfoDir =
+      hm.dag.entryAfter [ "installPackages" ] ''
         oPATH=$PATH
         export PATH="${lib.makeBinPath [ pkgs.gzip ]}''${PATH:+:}$PATH"
         $DRY_RUN_CMD mkdir -p "${cfg.homeInfoDirLocation}"

modules/programs/jq.nix

@@ -25,9 +25,7 @@ let
     };
   };
 
-in
+in {
-
-{
   options = {
     programs.jq = {
       enable = mkEnableOption "the jq command-line JSON processor";
@@ -69,8 +67,10 @@ in
   config = mkIf cfg.enable {
     home.packages = [ pkgs.jq ];
 
-    home.sessionVariables = let c = cfg.colors; in {
+    home.sessionVariables = let c = cfg.colors;
-      JQ_COLORS = "${c.null}:${c.false}:${c.true}:${c.numbers}:${c.strings}:${c.arrays}:${c.objects}";
+    in {
+      JQ_COLORS =
+        "${c.null}:${c.false}:${c.true}:${c.numbers}:${c.strings}:${c.arrays}:${c.objects}";
     };
   };
 }

modules/programs/kakoune.nix

@@ -10,16 +10,44 @@ let
     options = {
       name = mkOption {
         type = types.enum [
-          "NormalBegin" "NormalIdle" "NormalEnd" "NormalKey"
+          "NormalBegin"
-          "InsertBegin" "InsertIdle" "InsertEnd" "InsertKey"
+          "NormalIdle"
-          "InsertChar" "InsertDelete" "InsertMove" "WinCreate"
+          "NormalEnd"
-          "WinClose" "WinResize" "WinDisplay" "WinSetOption"
+          "NormalKey"
-          "BufSetOption" "BufNewFile" "BufOpenFile" "BufCreate"
+          "InsertBegin"
-          "BufWritePre" "BufWritePost" "BufReload" "BufClose"
+          "InsertIdle"
-          "BufOpenFifo" "BufReadFifo" "BufCloseFifo" "RuntimeError"
+          "InsertEnd"
-          "ModeChange" "PromptIdle" "GlobalSetOption" "KakBegin"
+          "InsertKey"
-          "KakEnd" "FocusIn" "FocusOut" "RawKey"
+          "InsertChar"
-          "InsertCompletionShow" "InsertCompletionHide"
+          "InsertDelete"
+          "InsertMove"
+          "WinCreate"
+          "WinClose"
+          "WinResize"
+          "WinDisplay"
+          "WinSetOption"
+          "BufSetOption"
+          "BufNewFile"
+          "BufOpenFile"
+          "BufCreate"
+          "BufWritePre"
+          "BufWritePost"
+          "BufReload"
+          "BufClose"
+          "BufOpenFifo"
+          "BufReadFifo"
+          "BufCloseFifo"
+          "RuntimeError"
+          "ModeChange"
+          "PromptIdle"
+          "GlobalSetOption"
+          "KakBegin"
+          "KakEnd"
+          "FocusIn"
+          "FocusOut"
+          "RawKey"
+          "InsertCompletionShow"
+          "InsertCompletionHide"
           "InsertCompletionSelect"
         ];
         example = "SetOption";
@@ -159,7 +187,8 @@ let
       };
 
       autoInfo = mkOption {
-        type = types.nullOr (types.listOf (types.enum [ "command" "onkey" "normal" ]));
+        type = types.nullOr
+          (types.listOf (types.enum [ "command" "onkey" "normal" ]));
         default = null;
         example = [ "command" "normal" ];
         description = ''
@@ -169,7 +198,7 @@ let
       };
 
       autoComplete = mkOption {
-        type = types.nullOr(types.listOf (types.enum [ "insert" "prompt" ]));
+        type = types.nullOr (types.listOf (types.enum [ "insert" "prompt" ]));
         default = null;
         description = ''
           Modes in which to display possible completions.
@@ -450,7 +479,7 @@ let
 
       keyMappings = mkOption {
         type = types.listOf keyMapping;
-        default = [];
+        default = [ ];
         description = ''
           User-defined key mappings. For documentation, see
           <link xlink:href="https://github.com/mawww/kakoune/blob/master/doc/pages/mapping.asciidoc"/>.
@@ -459,7 +488,7 @@ let
 
       hooks = mkOption {
         type = types.listOf hook;
-        default = [];
+        default = [ ];
         description = ''
           Global hooks. For documentation, see
           <link xlink:href="https://github.com/mawww/kakoune/blob/master/doc/pages/hooks.asciidoc"/>.
@@ -468,24 +497,28 @@ let
     };
   };
 
-  configFile =
+  configFile = let
-    let
+    wrapOptions = with cfg.config.wrapLines;
-      wrapOptions = with cfg.config.wrapLines; concatStrings [
+      concatStrings [
         "${optionalString word " -word"}"
         "${optionalString indent " -indent"}"
         "${optionalString (marker != null) " -marker ${marker}"}"
         "${optionalString (maxWidth != null) " -width ${toString maxWidth}"}"
       ];
 
-      numberLinesOptions = with cfg.config.numberLines; concatStrings [
+    numberLinesOptions = with cfg.config.numberLines;
+      concatStrings [
         "${optionalString relative " -relative "}"
         "${optionalString highlightCursor " -hlcursor"}"
         "${optionalString (separator != null) " -separator ${separator}"}"
       ];
 
-      uiOptions = with cfg.config.ui; concatStringsSep " " [
+    uiOptions = with cfg.config.ui;
+      concatStringsSep " " [
         "ncurses_set_title=${if setTitle then "true" else "false"}"
-        "ncurses_status_on_top=${if (statusLine == "top") then "true" else "false"}"
+        "ncurses_status_on_top=${
+          if (statusLine == "top") then "true" else "false"
+        }"
         "ncurses_assistant=${assistant}"
         "ncurses_enable_mouse=${if enableMouse then "true" else "false"}"
         "ncurses_change_colors=${if changeColors then "true" else "false"}"
@@ -495,65 +528,72 @@ let
         "ncurses_wheel_up_button=${wheelUpButton}"}"
         "${optionalString (shiftFunctionKeys != null)
         "ncurses_shift_function_key=${toString shiftFunctionKeys}"}"
-        "ncurses_builtin_key_parser=${if useBuiltinKeyParser then "true" else "false"}"
+        "ncurses_builtin_key_parser=${
+          if useBuiltinKeyParser then "true" else "false"
+        }"
       ];
 
-      keyMappingString = km: concatStringsSep " " [
+    keyMappingString = km:
+      concatStringsSep " " [
         "map global"
         "${km.mode} ${km.key} '${km.effect}'"
-        "${optionalString (km.docstring != null) "-docstring '${km.docstring}'"}"
+        "${optionalString (km.docstring != null)
+        "-docstring '${km.docstring}'"}"
       ];
 
-      hookString = h: concatStringsSep " " [
+    hookString = h:
-        "hook" "${optionalString (h.group != null) "-group ${group}"}"
+      concatStringsSep " " [
-        "${optionalString (h.once) "-once"}" "global"
+        "hook"
-        "${h.name}" "${optionalString (h.option != null) h.option}"
+        "${optionalString (h.group != null) "-group ${group}"}"
+        "${optionalString (h.once) "-once"}"
+        "global"
+        "${h.name}"
+        "${optionalString (h.option != null) h.option}"
         "%{ ${h.commands} }"
       ];
 
-      cfgStr = with cfg.config; concatStringsSep "\n" (
+    cfgStr = with cfg.config;
-        [ "# Generated by home-manager" ]
+      concatStringsSep "\n" ([ "# Generated by home-manager" ]
         ++ optional (colorScheme != null) "colorscheme ${colorScheme}"
-        ++ optional (tabStop != null) "set-option global tabstop ${toString tabStop}"
+        ++ optional (tabStop != null)
-        ++ optional (indentWidth != null) "set-option global indentwidth ${toString indentWidth}"
+        "set-option global tabstop ${toString tabStop}"
+        ++ optional (indentWidth != null)
+        "set-option global indentwidth ${toString indentWidth}"
         ++ optional (!incrementalSearch) "set-option global incsearch false"
         ++ optional (alignWithTabs) "set-option global aligntab true"
-        ++ optional (autoInfo != null) "set-option global autoinfo ${concatStringsSep "|" autoInfo}"
+        ++ optional (autoInfo != null)
-        ++ optional (autoComplete != null) "set-option global autocomplete ${concatStringsSep "|" autoComplete}"
+        "set-option global autoinfo ${concatStringsSep "|" autoInfo}"
-        ++ optional (autoReload != null) "set-option global/ autoreload ${autoReload}"
+        ++ optional (autoComplete != null)
-        ++ optional (wrapLines != null && wrapLines.enable) "add-highlighter global/ wrap${wrapOptions}"
+        "set-option global autocomplete ${concatStringsSep "|" autoComplete}"
+        ++ optional (autoReload != null)
+        "set-option global/ autoreload ${autoReload}"
+        ++ optional (wrapLines != null && wrapLines.enable)
+        "add-highlighter global/ wrap${wrapOptions}"
         ++ optional (numberLines != null && numberLines.enable)
         "add-highlighter global/ number-lines${numberLinesOptions}"
         ++ optional showMatching "add-highlighter global/ show-matching"
         ++ optional (scrollOff != null)
-          "set-option global scrolloff ${toString scrollOff.lines},${toString scrollOff.columns}"
+        "set-option global scrolloff ${toString scrollOff.lines},${
+          toString scrollOff.columns
+        }"
 
         ++ [ "# UI options" ]
         ++ optional (ui != null) "set-option global ui_options ${uiOptions}"
 
-        ++ [ "# Key mappings" ]
+        ++ [ "# Key mappings" ] ++ map keyMappingString keyMappings
-        ++ map keyMappingString keyMappings
 
-        ++ [ "# Hooks" ]
+        ++ [ "# Hooks" ] ++ map hookString hooks);
-        ++ map hookString hooks
+  in pkgs.writeText "kakrc"
-      );
+  (optionalString (cfg.config != null) cfgStr + "\n" + cfg.extraConfig);
-    in
-      pkgs.writeText "kakrc" (
-        optionalString (cfg.config != null) cfgStr
-        + "\n"
-        + cfg.extraConfig
-      );
 
-in
+in {
-
-{
   options = {
     programs.kakoune = {
       enable = mkEnableOption "the kakoune text editor";
 
       config = mkOption {
         type = types.nullOr configModule;
-        default = {};
+        default = { };
         description = "kakoune configuration options.";
       };
 

modules/programs/keychain.nix

@@ -6,15 +6,16 @@ let
 
   cfg = config.programs.keychain;
 
-  flags = cfg.extraFlags
+  flags = cfg.extraFlags ++ optional (cfg.agents != [ ])
-    ++ optional (cfg.agents != []) "--agents ${concatStringsSep "," cfg.agents}"
+    "--agents ${concatStringsSep "," cfg.agents}"
     ++ optional (cfg.inheritType != null) "--inherit ${cfg.inheritType}";
 
-  shellCommand = "${cfg.package}/bin/keychain --eval ${concatStringsSep " " flags} ${concatStringsSep " " cfg.keys}";
+  shellCommand =
+    "${cfg.package}/bin/keychain --eval ${concatStringsSep " " flags} ${
+      concatStringsSep " " cfg.keys
+    }";
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.marsam ];
 
   options.programs.keychain = {
@@ -39,14 +40,15 @@ in
 
     agents = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       description = ''
         Agents to add.
       '';
     };
 
     inheritType = mkOption {
-      type = types.nullOr (types.enum ["local" "any" "local-once" "any-once"]);
+      type =
+        types.nullOr (types.enum [ "local" "any" "local-once" "any-once" ]);
       default = null;
       description = ''
         Inherit type to attempt from agent variables from the environment.

modules/programs/lsd.nix

@@ -11,12 +11,10 @@ let
     ll = "ls -l";
     la = "ls -a";
     lt = "ls --tree";
-    lla ="ls -la";
+    lla = "ls -la";
   };
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.marsam ];
 
   options.programs.lsd = {

modules/programs/matplotlib.nix

@@ -9,16 +9,13 @@ let
   formatLine = o: n: v:
     let
       formatValue = v:
-        if isBool v then (if v then "True" else "False")
+        if isBool v then (if v then "True" else "False") else toString v;
-        else toString v;
+    in if isAttrs v then
-    in
+      concatStringsSep "\n" (mapAttrsToList (formatLine "${o}${n}.") v)
-      if isAttrs v
+    else
-      then concatStringsSep "\n" (mapAttrsToList (formatLine "${o}${n}.") v)
+      (if v == "" then "" else "${o}${n}: ${formatValue v}");
-      else (if v == "" then "" else "${o}${n}: ${formatValue v}");
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.rprospero ];
 
   options.programs.matplotlib = {
@@ -55,10 +52,8 @@ in
   };
 
   config = mkIf cfg.enable {
-    xdg.configFile."matplotlib/matplotlibrc".text =
+    xdg.configFile."matplotlib/matplotlibrc".text = concatStringsSep "\n" ([ ]
-      concatStringsSep "\n" ([]
       ++ mapAttrsToList (formatLine "") cfg.config
-        ++ optional (cfg.extraConfig != "") cfg.extraConfig
+      ++ optional (cfg.extraConfig != "") cfg.extraConfig) + "\n";
-      ) + "\n";
   };
 }

modules/programs/mbsync-accounts.nix

@@ -6,9 +6,7 @@ let
 
   extraConfigType = with lib.types; attrsOf (either (either str int) bool);
 
-in
+in {
-
-{
   options.mbsync = {
     enable = mkEnableOption "synchronization using mbsync";
 
@@ -62,7 +60,7 @@ in
 
     extraConfig.channel = mkOption {
       type = extraConfigType;
-      default = {};
+      default = { };
       example = literalExample ''
         {
           MaxMessages = 10000;
@@ -76,7 +74,7 @@ in
 
     extraConfig.local = mkOption {
       type = extraConfigType;
-      default = {};
+      default = { };
       description = ''
         Local store extra configuration.
       '';
@@ -84,7 +82,7 @@ in
 
     extraConfig.remote = mkOption {
       type = extraConfigType;
-      default = {};
+      default = { };
       description = ''
         Remote store extra configuration.
       '';
@@ -92,7 +90,7 @@ in
 
     extraConfig.account = mkOption {
       type = extraConfigType;
-      default = {};
+      default = { };
       example = literalExample ''
         {
           PipelineDepth = 10;

modules/programs/mbsync.nix

@@ -10,14 +10,15 @@ let
   mbsyncAccounts =
     filter (a: a.mbsync.enable) (attrValues config.accounts.email.accounts);
 
-  genTlsConfig = tls: {
+  genTlsConfig = tls:
-      SSLType =
+    {
-        if !tls.enable          then "None"
+      SSLType = if !tls.enable then
-        else if tls.useStartTls then "STARTTLS"
+        "None"
-        else                         "IMAPS";
+      else if tls.useStartTls then
-    }
+        "STARTTLS"
-    //
+      else
-    optionalAttrs (tls.enable && tls.certificatesFile != null) {
+        "IMAPS";
+    } // optionalAttrs (tls.enable && tls.certificatesFile != null) {
       CertificateFile = toString tls.certificatesFile;
     };
 
@@ -30,56 +31,45 @@ let
 
   genSection = header: entries:
     let
-      escapeValue = escape [ "\"" ];
+      escapeValue = escape [ ''"'' ];
       hasSpace = v: builtins.match ".* .*" v != null;
       genValue = n: v:
-        if isList v
+        if isList v then
-        then concatMapStringsSep " " (genValue n) v
+          concatMapStringsSep " " (genValue n) v
-        else if isBool v then (if v then "yes" else "no")
+        else if isBool v then
-        else if isInt v then toString v
+          (if v then "yes" else "no")
-        else if isString v && hasSpace v then "\"${escapeValue v}\""
+        else if isInt v then
-        else if isString v then v
+          toString v
+        else if isString v && hasSpace v then
+          ''"${escapeValue v}"''
+        else if isString v then
+          v
         else
-          let prettyV = lib.generators.toPretty {} v;
+          let prettyV = lib.generators.toPretty { } v;
           in throw "mbsync: unexpected value for option ${n}: '${prettyV}'";
-    in
+    in ''
-      ''
       ${header}
       ${concatStringsSep "\n"
       (mapAttrsToList (n: v: "${n} ${genValue n v}") entries)}
     '';
 
-  genAccountConfig = account: with account;
+  genAccountConfig = account:
-      genSection "IMAPAccount ${name}" (
+    with account;
-        {
+    genSection "IMAPAccount ${name}" ({
       Host = imap.host;
       User = userName;
       PassCmd = toString passwordCommand;
-        }
+    } // genTlsConfig imap.tls
-        // genTlsConfig imap.tls
       // optionalAttrs (imap.port != null) { Port = toString imap.port; }
-        // mbsync.extraConfig.account
+      // mbsync.extraConfig.account) + "\n"
-      )
+    + genSection "IMAPStore ${name}-remote"
-      + "\n"
+    ({ Account = name; } // mbsync.extraConfig.remote) + "\n"
-      + genSection "IMAPStore ${name}-remote" (
+    + genSection "MaildirStore ${name}-local" ({
-        {
-          Account = name;
-        }
-        // mbsync.extraConfig.remote
-      )
-      + "\n"
-      + genSection "MaildirStore ${name}-local" (
-        {
       Path = "${maildir.absPath}/";
       Inbox = "${maildir.absPath}/${folders.inbox}";
       SubFolders = "Verbatim";
-        }
+    } // optionalAttrs (mbsync.flatten != null) { Flatten = mbsync.flatten; }
-        // optionalAttrs (mbsync.flatten != null) { Flatten = mbsync.flatten; }
+      // mbsync.extraConfig.local) + "\n" + genSection "Channel ${name}" ({
-        // mbsync.extraConfig.local
-      )
-      + "\n"
-      + genSection "Channel ${name}" (
-        {
         Master = ":${name}-remote:";
         Slave = ":${name}-local:";
         Patterns = mbsync.patterns;
@@ -87,22 +77,15 @@ let
         Remove = masterSlaveMapping.${mbsync.remove};
         Expunge = masterSlaveMapping.${mbsync.expunge};
         SyncState = "*";
-        }
+      } // mbsync.extraConfig.channel) + "\n";
-        // mbsync.extraConfig.channel
-      )
-      + "\n";
 
   genGroupConfig = name: channels:
     let
       genGroupChannel = n: boxes: "Channel ${n}:${concatStringsSep "," boxes}";
-    in
+    in concatStringsSep "\n"
-      concatStringsSep "\n" (
+    ([ "Group ${name}" ] ++ mapAttrsToList genGroupChannel channels);
-        [ "Group ${name}" ] ++ mapAttrsToList genGroupChannel channels
-      );
 
-in
+in {
-
-{
   options = {
     programs.mbsync = {
       enable = mkEnableOption "mbsync IMAP4 and Maildir mailbox synchronizer";
@@ -117,7 +100,7 @@ in
 
       groups = mkOption {
         type = types.attrsOf (types.attrsOf (types.listOf types.str));
-        default = {};
+        default = { };
         example = literalExample ''
           {
             inboxes = {
@@ -142,18 +125,15 @@ in
   };
 
   config = mkIf cfg.enable {
-    assertions =
+    assertions = let
-      let
       checkAccounts = pred: msg:
-          let
+        let badAccounts = filter pred mbsyncAccounts;
-            badAccounts = filter pred mbsyncAccounts;
         in {
-            assertion = badAccounts == [];
+          assertion = badAccounts == [ ];
           message = "mbsync: ${msg} for accounts: "
             + concatMapStringsSep ", " (a: a.name) badAccounts;
         };
-      in
+    in [
-        [
       (checkAccounts (a: a.maildir == null) "Missing maildir configuration")
       (checkAccounts (a: a.imap == null) "Missing IMAP configuration")
       (checkAccounts (a: a.passwordCommand == null) "Missing passwordCommand")
@@ -164,19 +144,15 @@ in
 
     programs.notmuch.new.ignore = [ ".uidvalidity" ".mbsyncstate" ];
 
-    home.file.".mbsyncrc".text =
+    home.file.".mbsyncrc".text = let
-      let
       accountsConfig = map genAccountConfig mbsyncAccounts;
       groupsConfig = mapAttrsToList genGroupConfig cfg.groups;
-      in
+    in concatStringsSep "\n" ([''
-        concatStringsSep "\n" (
+      # Generated by Home Manager.
-          [ "# Generated by Home Manager.\n" ]
+    ''] ++ optional (cfg.extraConfig != "") cfg.extraConfig ++ accountsConfig
-          ++ optional (cfg.extraConfig != "") cfg.extraConfig
+      ++ groupsConfig) + "\n";
-          ++ accountsConfig
-          ++ groupsConfig
-        ) + "\n";
 
-    home.activation = mkIf (mbsyncAccounts != []) {
+    home.activation = mkIf (mbsyncAccounts != [ ]) {
       createMaildir =
         hm.dag.entryBetween [ "linkGeneration" ] [ "writeBoundary" ] ''
           $DRY_RUN_CMD mkdir -m700 -p $VERBOSE_ARG ${

modules/programs/mercurial.nix

@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.mercurial;
 
-in
+in {
-
-{
 
   options = {
     programs.mercurial = {
@@ -33,13 +31,13 @@ in
 
       aliases = mkOption {
         type = types.attrs;
-        default = {};
+        default = { };
         description = "Mercurial aliases to define.";
       };
 
       extraConfig = mkOption {
         type = types.either types.attrs types.lines;
-        default = {};
+        default = { };
         description = "Additional configuration to add.";
       };
 
@@ -50,14 +48,14 @@ in
 
       ignores = mkOption {
         type = types.listOf types.str;
-        default = [];
+        default = [ ];
         example = [ "*~" "*.swp" ];
         description = "List of globs for files to be globally ignored.";
       };
 
       ignoresRegexp = mkOption {
         type = types.listOf types.str;
-        default = [];
+        default = [ ];
         example = [ "^.*~$" "^.*\\.swp$" ];
         description =
           "List of regular expressions for files to be globally ignored.";
@@ -65,8 +63,7 @@ in
     };
   };
 
-  config = mkIf cfg.enable (
+  config = mkIf cfg.enable (mkMerge [
-    mkMerge [
     {
       home.packages = [ cfg.package ];
 
@@ -74,19 +71,21 @@ in
         username = cfg.userName + " <" + cfg.userEmail + ">";
       };
 
-        xdg.configFile."hg/hgrc".text = generators.toINI {} cfg.iniContent;
+      xdg.configFile."hg/hgrc".text = generators.toINI { } cfg.iniContent;
     }
 
-      (mkIf (cfg.ignores != [] || cfg.ignoresRegexp != []) {
+    (mkIf (cfg.ignores != [ ] || cfg.ignoresRegexp != [ ]) {
       programs.mercurial.iniContent.ui.ignore =
         "${config.xdg.configHome}/hg/hgignore_global";
 
-        xdg.configFile."hg/hgignore_global".text =
+      xdg.configFile."hg/hgignore_global".text = ''
-            "syntax: glob\n"   + concatStringsSep "\n" cfg.ignores + "\n" +
+        syntax: glob
-            "syntax: regexp\n" + concatStringsSep "\n" cfg.ignoresRegexp + "\n";
+      '' + concatStringsSep "\n" cfg.ignores + "\n" + ''
+        syntax: regexp
+      '' + concatStringsSep "\n" cfg.ignoresRegexp + "\n";
     })
 
-      (mkIf (cfg.aliases != {}) {
+    (mkIf (cfg.aliases != { }) {
       programs.mercurial.iniContent.alias = cfg.aliases;
     })
 
@@ -97,6 +96,5 @@ in
     (mkIf (lib.isString cfg.extraConfig) {
       xdg.configFile."hg/hgrc".text = cfg.extraConfig;
     })
-    ]
+  ]);
-  );
 }

modules/programs/mpv.nix

@@ -23,31 +23,21 @@ let
     }.${typeOf option};
 
   renderOptions = options:
-    concatStringsSep "\n"
+    concatStringsSep "\n" (mapAttrsToList (name: value:
-      (mapAttrsToList
-        (name: value:
       let
         rendered = renderOption value;
         length = toString (stringLength rendered);
-          in
+      in "${name}=%${length}%${rendered}") options);
-          "${name}=%${length}%${rendered}")
-          options);
 
   renderProfiles = profiles:
-    concatStringsSep "\n"
+    concatStringsSep "\n" (mapAttrsToList (name: value: ''
-      (mapAttrsToList
-        (name: value: ''
       [${name}]
       ${renderOptions value}
-        '')
+    '') profiles);
-        profiles);
 
   renderBindings = bindings:
     concatStringsSep "\n"
-      (mapAttrsToList
+    (mapAttrsToList (name: value: "${name} ${value}") bindings);
-        (name: value:
-          "${name} ${value}")
-        bindings);
 
 in {
   options = {
@@ -56,7 +46,7 @@ in {
 
       scripts = mkOption {
         type = with types; listOf (either package str);
-        default = [];
+        default = [ ];
         example = literalExample "[ pkgs.mpvScripts.mpris ]";
         description = ''
           List of scripts to use with mpv.
@@ -74,7 +64,7 @@ in {
           for the full list of options.
         '';
         type = mpvOptions;
-        default = {};
+        default = { };
         example = literalExample ''
           {
             profile = "gpu-hq";
@@ -92,7 +82,7 @@ in {
           <option>programs.mpv.config</option> for more information.
         '';
         type = mpvProfiles;
-        default = {};
+        default = { };
         example = literalExample ''
           {
             fast = {
@@ -117,7 +107,7 @@ in {
           for the full list of options.
         '';
         type = mpvBindings;
-        default = {};
+        default = { };
         example = literalExample ''
           {
             WHEEL_UP = "seek 10";
@@ -131,19 +121,20 @@ in {
 
   config = mkIf cfg.enable (mkMerge [
     {
-      home.packages = [(
+      home.packages = [
-        if cfg.scripts == []
+        (if cfg.scripts == [ ] then
-        then pkgs.mpv
+          pkgs.mpv
-        else pkgs.mpv-with-scripts.override { scripts = cfg.scripts; }
+        else
-      )];
+          pkgs.mpv-with-scripts.override { scripts = cfg.scripts; })
+      ];
     }
-    (mkIf (cfg.config != {} || cfg.profiles != {}) {
+    (mkIf (cfg.config != { } || cfg.profiles != { }) {
       xdg.configFile."mpv/mpv.conf".text = ''
-        ${optionalString (cfg.config != {}) (renderOptions cfg.config)}
+        ${optionalString (cfg.config != { }) (renderOptions cfg.config)}
-        ${optionalString (cfg.profiles != {}) (renderProfiles cfg.profiles)}
+        ${optionalString (cfg.profiles != { }) (renderProfiles cfg.profiles)}
       '';
     })
-    (mkIf (cfg.bindings != {}) {
+    (mkIf (cfg.bindings != { }) {
       xdg.configFile."mpv/input.conf".text = renderBindings cfg.bindings;
     })
   ]);

modules/programs/msmtp-accounts.nix

@@ -23,7 +23,8 @@ with lib;
     };
 
     tls.fingerprint = mkOption {
-      type = types.nullOr (types.strMatching "([[:alnum:]]{2}\:)+[[:alnum:]]{2}");
+      type =
+        types.nullOr (types.strMatching "([[:alnum:]]{2}:)+[[:alnum:]]{2}");
       default = null;
       example = "my:SH:a2:56:ha:sh";
       description = ''

modules/programs/msmtp.nix

@@ -6,16 +6,15 @@ let
 
   cfg = config.programs.msmtp;
 
-  msmtpAccounts = filter (a: a.msmtp.enable)
+  msmtpAccounts =
-    (attrValues config.accounts.email.accounts);
+    filter (a: a.msmtp.enable) (attrValues config.accounts.email.accounts);
 
   onOff = p: if p then "on" else "off";
 
-  accountStr = account: with account;
+  accountStr = account:
-    concatStringsSep "\n" (
+    with account;
-      [ "account ${name}" ]
+    concatStringsSep "\n" ([ "account ${name}" ]
-      ++ mapAttrsToList (n: v: n + " " + v) (
+      ++ mapAttrsToList (n: v: n + " " + v) ({
-        {
         host = smtp.host;
         from = address;
         auth = "on";
@@ -23,21 +22,16 @@ let
         tls = onOff smtp.tls.enable;
         tls_starttls = onOff smtp.tls.useStartTls;
         tls_trust_file = smtp.tls.certificatesFile;
-        }
+      } // optionalAttrs (msmtp.tls.fingerprint != null) {
-        // optionalAttrs (msmtp.tls.fingerprint != null) {
         tls_fingerprint = msmtp.tls.fingerprint;
-        }
+      } // optionalAttrs (smtp.port != null) { port = toString smtp.port; }
-        // optionalAttrs (smtp.port != null) {
-          port = toString smtp.port;
-        }
         // optionalAttrs (passwordCommand != null) {
           # msmtp requires the password to finish with a newline.
-          passwordeval = ''${pkgs.bash}/bin/bash -c "${toString passwordCommand}; echo"'';
+          passwordeval =
-        }
+            ''${pkgs.bash}/bin/bash -c "${toString passwordCommand}; echo"'';
-        // msmtp.extraConfig
+        } // msmtp.extraConfig) ++ optional primary ''
-      )
+
-      ++ optional primary "\naccount default : ${name}"
+          account default : ${name}'');
-    );
 
   configFile = mailAccounts: ''
     # Generated by Home Manager.
@@ -47,9 +41,7 @@ let
     ${concatStringsSep "\n\n" (map accountStr mailAccounts)}
   '';
 
-in
+in {
-
-{
 
   options = {
     programs.msmtp = {

modules/programs/neomutt-accounts.nix

@@ -26,10 +26,9 @@ with lib;
   };
 
   config = mkIf config.neomutt.enable {
-    neomutt.sendMailCommand = mkOptionDefault (
+    neomutt.sendMailCommand = mkOptionDefault (if config.msmtp.enable then
-      if config.msmtp.enable
+      "msmtpq --read-envelope-from --read-recipients"
-      then "msmtpq --read-envelope-from --read-recipients"
+    else
-      else null
+      null);
-    );
   };
 }

modules/programs/neomutt.nix

@@ -6,8 +6,8 @@ let
 
   cfg = config.programs.neomutt;
 
-  neomuttAccounts = filter (a: a.neomutt.enable)
+  neomuttAccounts =
-      (attrValues config.accounts.email.accounts);
+    filter (a: a.neomutt.enable) (attrValues config.accounts.email.accounts);
 
   sidebarModule = types.submodule {
     options = {
@@ -76,13 +76,12 @@ let
 
   yesno = x: if x then "yes" else "no";
   setOption = n: v: if v == null then "unset ${n}" else "set ${n}=${v}";
-  escape = replaceStrings ["%"] ["%25"];
+  escape = replaceStrings [ "%" ] [ "%25" ];
 
-  accountFilename = account:
+  accountFilename = account: config.xdg.configHome + "/neomutt/" + account.name;
-    config.xdg.configHome + "/neomutt/" + account.name;
 
-  genCommonFolderHooks = account: with account;
+  genCommonFolderHooks = account:
-    {
+    with account; {
       from = "'${address}'";
       realname = "'${realName}'";
       spoolfile = "'+${folders.inbox}'";
@@ -91,13 +90,13 @@ let
       trash = "'+${folders.trash}'";
     };
 
-  mtaSection = account: with account;
+  mtaSection = account:
-    let
+    with account;
-      passCmd = concatStringsSep " " passwordCommand;
+    let passCmd = concatStringsSep " " passwordCommand;
-    in
+    in if neomutt.sendMailCommand != null then {
-      if neomutt.sendMailCommand != null then {
       sendmail = "'${neomutt.sendMailCommand}'";
-      } else let
+    } else
+      let
         smtpProto = if smtp.tls.enable then "smtps" else "smtp";
         smtpBaseUrl = "${smtpProto}://${escape userName}@${smtp.host}";
       in {
@@ -105,35 +104,32 @@ let
         smtp_pass = "'`${passCmd}`'";
       };
 
-  genMaildirAccountConfig = account: with account;
+  genMaildirAccountConfig = account:
+    with account;
     let
-      folderHook =
+      folderHook = mapAttrsToList setOption (genCommonFolderHooks account // {
-        mapAttrsToList setOption (
+        folder = "'${account.maildir.absPath}'";
-          genCommonFolderHooks account
+      }) ++ optional (neomutt.extraConfig != "") neomutt.extraConfig;
-          // { folder = "'${account.maildir.absPath}'"; }
+    in ''
-        )
-        ++ optional (neomutt.extraConfig != "") neomutt.extraConfig;
-    in
-      ''
       ${concatStringsSep "\n" folderHook}
     '';
 
-  registerAccount = account: with account;
+  registerAccount = account:
-    ''
+    with account; ''
       # register account ${name}
       mailboxes "${account.maildir.absPath}/${folders.inbox}"
       folder-hook ${account.maildir.absPath}/ " \
           source ${accountFilename account} "
     '';
 
-  mraSection = account: with account;
+  mraSection = account:
-    if account.maildir != null
+    with account;
-    then genMaildirAccountConfig account
+    if account.maildir != null then
-    else throw "Only maildir is supported at the moment";
+      genMaildirAccountConfig account
-
+    else
-    optionsStr = attrs:
+      throw "Only maildir is supported at the moment";
-      concatStringsSep "\n" (mapAttrsToList setOption attrs);
 
+  optionsStr = attrs: concatStringsSep "\n" (mapAttrsToList setOption attrs);
 
   sidebarSection = ''
     # Sidebar
@@ -143,30 +139,27 @@ let
     set sidebar_format = '${cfg.sidebar.format}'
   '';
 
-  bindSection =
+  bindSection = concatMapStringsSep "\n"
-    concatMapStringsSep
+    (bind: ''bind ${bind.map} ${bind.key} "${bind.action}"'') cfg.binds;
-      "\n"
-      (bind: "bind ${bind.map} ${bind.key} \"${bind.action}\"")
-      cfg.binds;
 
-  macroSection =
+  macroSection = concatMapStringsSep "\n"
-    concatMapStringsSep
+    (bind: ''macro ${bind.map} ${bind.key} "${bind.action}"'') cfg.macros;
-      "\n"
-      (bind: "macro ${bind.map} ${bind.key} \"${bind.action}\"")
-      cfg.macros;
 
   mailCheckSection = ''
     set mail_check_stats
     set mail_check_stats_interval = ${toString cfg.checkStatsInterval}
   '';
 
-  notmuchSection = account: with account; ''
+  notmuchSection = account:
+    with account; ''
       # notmuch section
       set nm_default_uri = "notmuch://${config.accounts.email.maildirBasePath}"
       virtual-mailboxes "My INBOX" "notmuch://?query=tag:inbox"
     '';
 
-  accountStr = account: with account; ''
+  accountStr = account:
+    with account;
+    ''
       # Generated by Home Manager.
       set ssl_force_tls = yes
       set certificate_file=${config.accounts.email.certificatesFile}
@@ -190,34 +183,30 @@ let
 
       # Extra configuration
       ${account.neomutt.extraConfig}
-  ''
+    '' + optionalString (account.signature.showSignature != "none") ''
-  + optionalString (account.signature.showSignature != "none") ''
       set signature = ${pkgs.writeText "signature.txt" account.signature.text}
-  ''
+    '' + optionalString account.notmuch.enable (notmuchSection account);
-  + optionalString account.notmuch.enable (notmuchSection account);
 
-in
+in {
-
-{
   options = {
     programs.neomutt = {
       enable = mkEnableOption "the NeoMutt mail client";
 
       sidebar = mkOption {
         type = sidebarModule;
-        default = {};
+        default = { };
         description = "Options related to the sidebar.";
       };
 
       binds = mkOption {
         type = types.listOf bindModule;
-        default = [];
+        default = [ ];
         description = "List of keybindings.";
       };
 
       macros = mkOption {
         type = types.listOf bindModule;
-        default = [];
+        default = [ ];
         description = "List of macros.";
       };
 
@@ -259,7 +248,7 @@ in
 
       settings = mkOption {
         type = types.attrsOf types.str;
-        default = {};
+        default = { };
         description = "Extra configuration appended to the end.";
       };
 
@@ -277,15 +266,11 @@ in
       rcFile = account: {
         "${accountFilename account}".text = accountStr account;
       };
-    in
+    in foldl' (a: b: a // b) { } (map rcFile neomuttAccounts);
-      foldl' (a: b: a // b) {} (map rcFile neomuttAccounts);
 
-    xdg.configFile."neomutt/neomuttrc" = mkIf (neomuttAccounts != []) {
+    xdg.configFile."neomutt/neomuttrc" = mkIf (neomuttAccounts != [ ]) {
-      text =
+      text = let primary = filter (a: a.primary) neomuttAccounts;
-        let
+      in ''
-          primary = filter (a: a.primary) neomuttAccounts;
-        in
-          ''
         # Generated by Home Manager.
         set header_cache = "${config.xdg.cacheHome}/neomutt/headers/"
         set message_cachedir = "${config.xdg.cacheHome}/neomutt/messages/"
@@ -302,16 +287,14 @@ in
         # Macros
         ${macroSection}
 
-            ${optionalString cfg.vimKeys "source ${pkgs.neomutt}/share/doc/neomutt/vim-keys/vim-keys.rc"}
+        ${optionalString cfg.vimKeys
+        "source ${pkgs.neomutt}/share/doc/neomutt/vim-keys/vim-keys.rc"}
 
         # Extra configuration
         ${optionsStr cfg.settings}
 
         ${cfg.extraConfig}
-          ''
+      '' + concatMapStringsSep "\n" registerAccount neomuttAccounts +
-          +
-          concatMapStringsSep "\n" registerAccount neomuttAccounts
-          +
       # source primary account
       "source ${accountFilename (builtins.head primary)}";
     };

modules/programs/newsboat.nix

@@ -4,11 +4,9 @@ with lib;
 
 let
   cfg = config.programs.newsboat;
-  wrapQuote = x: "\"${x}\"";
+  wrapQuote = x: ''"${x}"'';
 
-in
+in {
-
-{
   options = {
     programs.newsboat = {
       enable = mkEnableOption "the Newsboat feed reader";
@@ -24,8 +22,8 @@ in
 
             tags = mkOption {
               type = types.listOf types.str;
-              default = [];
+              default = [ ];
-              example = ["foo" "bar"];
+              example = [ "foo" "bar" ];
               description = "Feed tags.";
             };
 
@@ -37,8 +35,11 @@ in
             };
           };
         });
-        default = [];
+        default = [ ];
-        example = [{url = "http://example.com"; tags = ["foo" "bar"];}];
+        example = [{
+          url = "http://example.com";
+          tags = [ "foo" "bar" ];
+        }];
         description = "List of news feeds.";
       };
 
@@ -57,7 +58,9 @@ in
       autoReload = mkOption {
         type = types.bool;
         default = false;
-        description = "Whether to enable automatic reloading while newsboat is running.";
+        description = ''
+          Whether to enable automatic reloading while newsboat is running.
+        '';
       };
 
       reloadTime = mkOption {
@@ -74,43 +77,40 @@ in
 
       queries = mkOption {
         type = types.attrsOf types.str;
-        default = {};
+        default = { };
-        example = {
+        example = { "foo" = ''rssurl =~ "example.com"''; };
-          "foo" = "rssurl =~ \"example.com\"";
-        };
         description = "A list of queries to use.";
       };
 
       extraConfig = mkOption {
         type = types.lines;
         default = "";
-        description = "Extra configuration values that will be appended to the end.";
+        description = ''
+          Extra configuration values that will be appended to the end.
+        '';
       };
     };
   };
 
   config = mkIf cfg.enable {
     home.packages = [ pkgs.newsboat ];
-    home.file.".newsboat/urls".text =
+    home.file.".newsboat/urls".text = let
-      let
+      mkUrlEntry = u:
-        mkUrlEntry = u: concatStringsSep " " (
+        concatStringsSep " " ([ u.url ] ++ map wrapQuote u.tags
-          [u.url]
+          ++ optional (u.title != null) (wrapQuote "~${u.title}"));
-          ++ map wrapQuote u.tags
-          ++ optional (u.title != null) (wrapQuote "~${u.title}")
-        );
       urls = map mkUrlEntry cfg.urls;
 
-        mkQueryEntry = n: v: "\"query:${n}:${escape ["\""] v}\"";
+      mkQueryEntry = n: v: ''"query:${n}:${escape [ ''"'' ] v}"'';
       queries = mapAttrsToList mkQueryEntry cfg.queries;
-      in
+    in concatStringsSep "\n" (urls ++ queries) + "\n";
-        concatStringsSep "\n" (urls ++ queries) + "\n";
 
     home.file.".newsboat/config".text = ''
       max-items ${toString cfg.maxItems}
       browser ${cfg.browser}
       reload-threads ${toString cfg.reloadThreads}
       auto-reload ${if cfg.autoReload then "yes" else "no"}
-      ${optionalString (cfg.reloadTime != null) (toString "reload-time ${toString cfg.reloadTime}")}
+      ${optionalString (cfg.reloadTime != null)
+      (toString "reload-time ${toString cfg.reloadTime}")}
       prepopulate-query-feeds yes
 
       ${cfg.extraConfig}

modules/programs/noti.nix

@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ...}:
+{ config, lib, pkgs, ... }:
 
 with lib;
 
@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.noti;
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.marsam ];
 
   options.programs.noti = {
@@ -16,7 +14,7 @@ in
 
     settings = mkOption {
       type = types.attrsOf (types.attrsOf types.str);
-      default = {};
+      default = { };
       description = ''
         Configuration written to
         <filename>~/.config/noti/noti.yaml</filename>.
@@ -45,9 +43,8 @@ in
   config = mkIf cfg.enable {
     home.packages = [ pkgs.noti ];
 
-    xdg.configFile."noti/noti.yaml" = mkIf (cfg.settings != {}) {
+    xdg.configFile."noti/noti.yaml" =
-      text = generators.toYAML {} cfg.settings;
+      mkIf (cfg.settings != { }) { text = generators.toYAML { } cfg.settings; };
-    };
   };
 
 }

modules/programs/notmuch-accounts.nix

@@ -1,7 +1,5 @@
 { lib, ... }:
 
 {
-  options.notmuch = {
+  options.notmuch = { enable = lib.mkEnableOption "notmuch indexing"; };
-    enable = lib.mkEnableOption "notmuch indexing";
-  };
 }

modules/programs/notmuch.nix

@@ -9,53 +9,42 @@ let
   mkIniKeyValue = key: value:
     let
       tweakVal = v:
-        if isString v then v
+        if isString v then
-        else if isList v then concatMapStringsSep ";" tweakVal v
+          v
-        else if isBool v then (if v then "true" else "false")
+        else if isList v then
-        else toString v;
+          concatMapStringsSep ";" tweakVal v
-    in
+        else if isBool v then
-      "${key}=${tweakVal value}";
+          (if v then "true" else "false")
+        else
+          toString v;
+    in "${key}=${tweakVal value}";
 
-  notmuchIni =
+  notmuchIni = recursiveUpdate {
-    recursiveUpdate
+    database = { path = config.accounts.email.maildirBasePath; };
-      {
-        database = {
-          path = config.accounts.email.maildirBasePath;
-        };
 
-        maildir = {
+    maildir = { synchronize_flags = cfg.maildir.synchronizeFlags; };
-          synchronize_flags = cfg.maildir.synchronizeFlags;
-        };
 
     new = {
       ignore = cfg.new.ignore;
       tags = cfg.new.tags;
     };
 
-        user =
+    user = let
-          let
+      accounts = filter (a: a.notmuch.enable)
-            accounts =
-              filter (a: a.notmuch.enable)
         (attrValues config.accounts.email.accounts);
       primary = filter (a: a.primary) accounts;
       secondaries = filter (a: !a.primary) accounts;
     in {
       name = catAttrs "realName" primary;
       primary_email = catAttrs "address" primary;
-            other_email = catAttrs "aliases" primary
+      other_email = catAttrs "aliases" primary ++ catAttrs "address" secondaries
-              ++ catAttrs "address" secondaries
         ++ catAttrs "aliases" secondaries;
     };
 
-        search = {
+    search = { exclude_tags = cfg.search.excludeTags; };
-          exclude_tags = cfg.search.excludeTags;
+  } cfg.extraConfig;
-        };
-      }
-      cfg.extraConfig;
 
-in
+in {
-
-{
   options = {
     programs.notmuch = {
       enable = mkEnableOption "Notmuch mail indexer";
@@ -65,7 +54,7 @@ in
           options = {
             ignore = mkOption {
               type = types.listOf types.str;
-              default = [];
+              default = [ ];
               description = ''
                 A list to specify files and directories that will not be
                 searched for messages by <command>notmuch new</command>.
@@ -83,7 +72,7 @@ in
             };
           };
         };
-        default = {};
+        default = { };
         description = ''
           Options related to email processing performed by
           <command>notmuch new</command>.
@@ -92,7 +81,7 @@ in
 
       extraConfig = mkOption {
         type = types.attrsOf (types.attrsOf types.str);
-        default = {};
+        default = { };
         description = ''
           Options that should be appended to the notmuch configuration file.
         '';
@@ -159,11 +148,11 @@ in
   config = mkIf cfg.enable {
     assertions = [
       {
-        assertion = notmuchIni.user.name != [];
+        assertion = notmuchIni.user.name != [ ];
         message = "notmuch: Must have a user name set.";
       }
       {
-        assertion = notmuchIni.user.primary_email != [];
+        assertion = notmuchIni.user.primary_email != [ ];
         message = "notmuch: Must have a user primary email address set.";
       }
     ];
@@ -176,16 +165,14 @@ in
     };
 
     xdg.configFile."notmuch/notmuchrc".text =
-      let
+      let toIni = generators.toINI { mkKeyValue = mkIniKeyValue; };
-        toIni = generators.toINI { mkKeyValue = mkIniKeyValue; };
+      in ''
-      in
+        # Generated by Home Manager.
-        "# Generated by Home Manager.\n\n"
-        + toIni notmuchIni;
 
-    home.file =
+      '' + toIni notmuchIni;
-      let
+
-        hook = name: cmds:
+    home.file = let
-          {
+      hook = name: cmds: {
         "${notmuchIni.database.path}/.notmuch/hooks/${name}".source =
           pkgs.writeShellScript name ''
             export PATH="${pkgs.notmuch}/bin''${PATH:+:}$PATH"
@@ -195,14 +182,10 @@ in
             ${cmds}
           '';
       };
-      in
+    in optionalAttrs (cfg.hooks.preNew != "") (hook "pre-new" cfg.hooks.preNew)
-        optionalAttrs (cfg.hooks.preNew != "")
+    // optionalAttrs (cfg.hooks.postNew != "")
-          (hook "pre-new" cfg.hooks.preNew)
-        //
-        optionalAttrs (cfg.hooks.postNew != "")
     (hook "post-new" cfg.hooks.postNew)
-        //
+    // optionalAttrs (cfg.hooks.postInsert != "")
-        optionalAttrs (cfg.hooks.postInsert != "")
     (hook "post-insert" cfg.hooks.postInsert);
   };
 }

modules/programs/obs-studio.nix

@@ -11,13 +11,10 @@ let
     let
       pluginDirs = map (pkg: "${pkg}/share/obs/obs-plugins") packages;
       plugins = concatMapStringsSep " " (p: "${p}/*") pluginDirs;
-    in
+    in pkgs.runCommand "obs-studio-plugins" {
-      pkgs.runCommand "obs-studio-plugins"
-        {
       preferLocalBuild = true;
       allowSubstitutes = false;
-        }
+    } ''
-        ''
       mkdir $out
       [[ '${plugins}' ]] || exit 0
       for plugin in ${plugins}; do
@@ -25,9 +22,7 @@ let
       done
     '';
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.adisbladis ];
 
   options = {
@@ -35,7 +30,7 @@ in
       enable = mkEnableOption "obs-studio";
 
       plugins = mkOption {
-        default = [];
+        default = [ ];
         example = literalExample "[ pkgs.obs-linuxbrowser ]";
         description = "Optional OBS plugins.";
         type = types.listOf types.package;
@@ -46,8 +41,7 @@ in
   config = mkIf cfg.enable {
     home.packages = [ package ];
 
-    xdg.configFile."obs-studio/plugins" = mkIf (cfg.plugins != []) {
+    xdg.configFile."obs-studio/plugins" =
-      source = mkPluginEnv cfg.plugins;
+      mkIf (cfg.plugins != [ ]) { source = mkPluginEnv cfg.plugins; };
-    };
   };
 }

modules/programs/offlineimap-accounts.nix

@@ -6,18 +6,14 @@ let
 
   extraConfigType = with types; attrsOf (either (either str int) bool);
 
-in
+in {
-
-{
   options.offlineimap = {
     enable = mkEnableOption "OfflineIMAP";
 
     extraConfig.account = mkOption {
       type = extraConfigType;
-      default = {};
+      default = { };
-      example = {
+      example = { autorefresh = 20; };
-        autorefresh = 20;
-      };
       description = ''
         Extra configuration options to add to the account section.
       '';
@@ -25,10 +21,8 @@ in
 
     extraConfig.local = mkOption {
       type = extraConfigType;
-      default = {};
+      default = { };
-      example = {
+      example = { sync_deletes = true; };
-        sync_deletes = true;
-      };
       description = ''
         Extra configuration options to add to the local account
         section.
@@ -37,7 +31,7 @@ in
 
     extraConfig.remote = mkOption {
       type = extraConfigType;
-      default = {};
+      default = { };
       example = {
         maxconnections = 2;
         expunge = false;

modules/programs/offlineimap.nix

@@ -12,11 +12,11 @@ let
   toIni = generators.toINI {
     mkKeyValue = key: value:
       let
-        value' =
+        value' = if isBool value then
-          if isBool value then (if value then "yes" else "no")
+          (if value then "yes" else "no")
-          else toString value;
+        else
-      in
+          toString value;
-        "${key} = ${value'}";
+      in "${key} = ${value'}";
   };
 
   # Generates a script to fetch only a specific account.
@@ -29,90 +29,65 @@ let
   # Something like
   #
   #     $ email <account name> <program name> <program args>
-  genOfflineImapScript = account: with account;
+  genOfflineImapScript = account:
+    with account;
     pkgs.writeShellScriptBin "offlineimap-${name}" ''
       exec ${pkgs.offlineimap}/bin/offlineimap -a${account.name} "$@"
     '';
 
-  accountStr = account: with account;
+  accountStr = account:
+    with account;
     let
       postSyncHook = optionalAttrs (offlineimap.postSyncHookCommand != "") {
-        postsynchook =
+        postsynchook = pkgs.writeShellScriptBin "postsynchook"
-          pkgs.writeShellScriptBin
+          offlineimap.postSyncHookCommand + "/bin/postsynchook";
-            "postsynchook"
-            offlineimap.postSyncHookCommand
-          + "/bin/postsynchook";
       };
 
       localType =
-        if account.flavor == "gmail.com"
+        if account.flavor == "gmail.com" then "GmailMaildir" else "Maildir";
-        then "GmailMaildir"
-        else "Maildir";
 
-      remoteType =
+      remoteType = if account.flavor == "gmail.com" then "Gmail" else "IMAP";
-        if account.flavor == "gmail.com"
-        then "Gmail"
-        else "IMAP";
 
-      remoteHost = optionalAttrs (imap.host != null) {
+      remoteHost =
-        remotehost = imap.host;
+        optionalAttrs (imap.host != null) { remotehost = imap.host; };
-      };
 
-      remotePort = optionalAttrs ((imap.port or null) != null) {
+      remotePort =
-        remoteport = imap.port;
+        optionalAttrs ((imap.port or null) != null) { remoteport = imap.port; };
-      };
 
-      ssl =
+      ssl = if imap.tls.enable then {
-        if imap.tls.enable
-        then
-          {
         ssl = true;
         sslcacertfile = imap.tls.certificatesFile;
         starttls = imap.tls.useStartTls;
-          }
+      } else {
-        else
-          {
         ssl = false;
       };
 
       remotePassEval =
-        let
+        let arglist = concatMapStringsSep "," (x: "'${x}'") passwordCommand;
-          arglist = concatMapStringsSep "," (x: "'${x}'") passwordCommand;
+        in optionalAttrs (passwordCommand != null) {
-        in
-          optionalAttrs (passwordCommand != null) {
           remotepasseval = ''get_pass("${name}", [${arglist}])'';
         };
-    in
+    in toIni {
-      toIni {
       "Account ${name}" = {
         localrepository = "${name}-local";
         remoterepository = "${name}-remote";
-        }
+      } // postSyncHook // offlineimap.extraConfig.account;
-        // postSyncHook
-        // offlineimap.extraConfig.account;
 
       "Repository ${name}-local" = {
         type = localType;
         localfolders = maildir.absPath;
-        }
+      } // offlineimap.extraConfig.local;
-        // offlineimap.extraConfig.local;
 
       "Repository ${name}-remote" = {
         type = remoteType;
         remoteuser = userName;
-        }
+      } // remoteHost // remotePort // remotePassEval // ssl
-        // remoteHost
-        // remotePort
-        // remotePassEval
-        // ssl
         // offlineimap.extraConfig.remote;
     };
 
   extraConfigType = with types; attrsOf (either (either str int) bool);
 
-in
+in {
-
-{
   options = {
     programs.offlineimap = {
       enable = mkEnableOption "OfflineIMAP";
@@ -133,7 +108,7 @@ in
 
       extraConfig.general = mkOption {
         type = extraConfigType;
-        default = {};
+        default = { };
         example = {
           maxage = 30;
           ui = "blinkenlights";
@@ -146,10 +121,8 @@ in
 
       extraConfig.default = mkOption {
         type = extraConfigType;
-        default = {};
+        default = { };
-        example = {
+        example = { gmailtrashfolder = "[Gmail]/Papierkorb"; };
-          gmailtrashfolder = "[Gmail]/Papierkorb";
-        };
         description = ''
           Extra configuration options added to the
           <option>DEFAULT</option> section.
@@ -158,7 +131,7 @@ in
 
       extraConfig.mbnames = mkOption {
         type = extraConfigType;
-        default = {};
+        default = { };
         example = literalExample ''
           {
             filename = "~/.config/mutt/mailboxes";
@@ -181,27 +154,20 @@ in
 
     xdg.configFile."offlineimap/get_settings.py".text = cfg.pythonFile;
 
-    xdg.configFile."offlineimap/config".text =
+    xdg.configFile."offlineimap/config".text = ''
-      ''
       # Generated by Home Manager.
       # See https://github.com/OfflineIMAP/offlineimap/blob/master/offlineimap.conf
       # for an exhaustive list of options.
-      ''
+    '' + toIni ({
-      + toIni ({
       general = {
         accounts = concatMapStringsSep "," (a: a.name) accounts;
         pythonfile = "${config.xdg.configHome}/offlineimap/get_settings.py";
         metadata = "${config.xdg.dataHome}/offlineimap";
-        }
+      } // cfg.extraConfig.general;
-        // cfg.extraConfig.general;
+    } // optionalAttrs (cfg.extraConfig.mbnames != { }) {
-      }
-      // optionalAttrs (cfg.extraConfig.mbnames != {}) {
       mbnames = { enabled = true; } // cfg.extraConfig.mbnames;
-      }
+    } // optionalAttrs (cfg.extraConfig.default != { }) {
-      // optionalAttrs (cfg.extraConfig.default != {}) {
       DEFAULT = cfg.extraConfig.default;
-      })
+    }) + "\n" + concatStringsSep "\n" (map accountStr accounts);
-      + "\n"
-      + concatStringsSep "\n" (map accountStr accounts);
   };
 }

modules/programs/opam.nix

@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.opam;
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.marsam ];
 
   options.programs.opam = {

modules/programs/password-store.nix

@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.password-store;
 
-in
+in {
-
-{
   meta.maintainers = with maintainers; [ pacien ];
 
   options.programs.password-store = {

modules/programs/pazi.nix

@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.pazi;
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.marsam ];
 
   options.programs.pazi = {

modules/programs/pidgin.nix

@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.pidgin;
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -23,7 +21,7 @@ in
       };
 
       plugins = mkOption {
-        default = [];
+        default = [ ];
         example = literalExample "[ pkgs.pidgin-otr pkgs.pidgin-osd ]";
         description = "Plugins that should be available to Pidgin.";
       };

modules/programs/readline.nix

@@ -9,32 +9,34 @@ let
   mkSetVariableStr = n: v:
     let
       mkValueStr = v:
-        if v == true then "on"
+        if v == true then
-        else if v == false then "off"
+          "on"
-        else if isInt v then toString v
+        else if v == false then
-        else if isString v then v
+          "off"
-        else abort ("values ${toPretty v} is of unsupported type");
+        else if isInt v then
-    in
+          toString v
-      "set ${n} ${mkValueStr v}";
+        else if isString v then
+          v
+        else
+          abort ("values ${toPretty v} is of unsupported type");
+    in "set ${n} ${mkValueStr v}";
 
-  mkBindingStr = k: v: "\"${k}\": ${v}";
+  mkBindingStr = k: v: ''"${k}": ${v}'';
 
-in
+in {
-
-{
   options.programs.readline = {
     enable = mkEnableOption "readline";
 
     bindings = mkOption {
-      default = {};
+      default = { };
       type = types.attrsOf types.str;
-      example = { "\C-h" = "backward-kill-word"; };
+      example = { "\\C-h" = "backward-kill-word"; };
       description = "Readline bindings.";
     };
 
     variables = mkOption {
       type = with types; attrsOf (either str (either int bool));
-      default = {};
+      default = { };
       example = { expand-tilde = true; };
       description = ''
         Readline customization variable assignments.
@@ -58,15 +60,12 @@ in
   };
 
   config = mkIf cfg.enable {
-    home.file.".inputrc".text =
+    home.file.".inputrc".text = let
-      let
+      configStr = concatStringsSep "\n"
-        configStr = concatStringsSep "\n" (
+        (optional cfg.includeSystemConfig "$include /etc/inputrc"
-          optional cfg.includeSystemConfig "$include /etc/inputrc"
           ++ mapAttrsToList mkSetVariableStr cfg.variables
-          ++ mapAttrsToList mkBindingStr cfg.bindings
+          ++ mapAttrsToList mkBindingStr cfg.bindings);
-        );
+    in ''
-      in
-        ''
       # Generated by Home Manager.
 
       ${configStr}

modules/programs/rofi.nix

@@ -7,7 +7,8 @@ let
 
   cfg = config.programs.rofi;
 
-  colorOption = description: mkOption {
+  colorOption = description:
+    mkOption {
       type = types.str;
       description = description;
     };
@@ -71,29 +72,22 @@ let
   };
 
   valueToString = value:
-    if isBool value
+    if isBool value then (if value then "true" else "else") else toString value;
-      then (if value then "true" else "else")
-      else toString value;
 
-  windowColorsToString = window: concatStringsSep ", " (with window; [
+  windowColorsToString = window:
-    background
+    concatStringsSep ", " (with window; [ background border separator ]);
-    border
-    separator
-  ]);
 
   rowsColorsToString = rows: ''
-    ${optionalString
+    ${optionalString (rows.normal != null)
-        (rows.normal != null)
     (setOption "color-normal" (rowColorsToString rows.normal))}
-    ${optionalString
+    ${optionalString (rows.active != null)
-        (rows.active != null)
     (setOption "color-active" (rowColorsToString rows.active))}
-    ${optionalString
+    ${optionalString (rows.urgent != null)
-        (rows.urgent != null)
     (setOption "color-urgent" (rowColorsToString rows.urgent))}
   '';
 
-  rowColorsToString = row: concatStringsSep ", " (with row; [
+  rowColorsToString = row:
+    concatStringsSep ", " (with row; [
       background
       foreground
       backgroundAlt
@@ -104,13 +98,11 @@ let
   setOption = name: value:
     optionalString (value != null) "rofi.${name}: ${valueToString value}";
 
-  setColorScheme = colors: optionalString (colors != null) ''
+  setColorScheme = colors:
-    ${optionalString
+    optionalString (colors != null) ''
-        (colors.window != null)
+      ${optionalString (colors.window != null) setOption "color-window"
-        setOption "color-window" (windowColorsToString colors.window)}
+      (windowColorsToString colors.window)}
-    ${optionalString
+      ${optionalString (colors.rows != null) (rowsColorsToString colors.rows)}
-        (colors.rows != null)
-        (rowsColorsToString colors.rows)}
     '';
 
   locationsMap = {
@@ -125,18 +117,19 @@ let
     left = 8;
   };
 
-  themeName =
+  themeName = if (cfg.theme == null) then
-    if (cfg.theme == null) then null
+    null
-    else if (lib.isString cfg.theme) then cfg.theme
+  else if (lib.isString cfg.theme) then
-    else lib.removeSuffix ".rasi" (baseNameOf cfg.theme);
+    cfg.theme
+  else
+    lib.removeSuffix ".rasi" (baseNameOf cfg.theme);
 
   themePath = if (lib.isString cfg.theme) then null else cfg.theme;
 
-in
+in {
-
-{
   options.programs.rofi = {
-    enable = mkEnableOption "Rofi: A window switcher, application launcher and dmenu replacement";
+    enable = mkEnableOption
+      "Rofi: A window switcher, application launcher and dmenu replacement";
 
     width = mkOption {
       default = null;
@@ -295,14 +288,12 @@ in
   };
 
   config = mkIf cfg.enable {
-    assertions = [
+    assertions = [{
-      {
       assertion = cfg.theme == null || cfg.colors == null;
       message = ''
         Cannot use the rofi options 'theme' and 'colors' simultaneously.
       '';
-      }
+    }];
-    ];
 
     home.packages = [ pkgs.rofi ];
 
@@ -314,11 +305,8 @@ in
       ${setOption "eh" cfg.rowHeight}
       ${setOption "padding" cfg.padding}
       ${setOption "separator-style" cfg.separator}
-      ${setOption "hide-scrollbar" (
+      ${setOption "hide-scrollbar"
-        if (cfg.scrollbar != null)
+      (if (cfg.scrollbar != null) then (!cfg.scrollbar) else cfg.scrollbar)}
-        then (! cfg.scrollbar)
-        else cfg.scrollbar
-      )}
       ${setOption "terminal" cfg.terminal}
       ${setOption "cycle" cfg.cycle}
       ${setOption "fullscreen" cfg.fullscreen}

modules/programs/rtorrent.nix

@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.rtorrent;
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.marsam ];
 
   options.programs.rtorrent = {
@@ -30,8 +28,7 @@ in
   config = mkIf cfg.enable {
     home.packages = [ pkgs.rtorrent ];
 
-    xdg.configFile."rtorrent/rtorrent.rc" = mkIf (cfg.settings != "") {
+    xdg.configFile."rtorrent/rtorrent.rc" =
-      text = cfg.settings;
+      mkIf (cfg.settings != "") { text = cfg.settings; };
-    };
   };
 }

modules/programs/skim.nix

@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.skim;
 
-in
+in {
-
-{
   options.programs.skim = {
     enable = mkEnableOption "skim - a command-line fuzzy finder";
 
@@ -24,7 +22,7 @@ in
 
     defaultOptions = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       example = [ "--height 40%" "--prompt ⟫" ];
       description = ''
         Extra command line options given to skim by default.
@@ -43,7 +41,7 @@ in
 
     fileWidgetOptions = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       example = [ "--preview 'head {}'" ];
       description = ''
         Command line options for the CTRL-T keybinding.
@@ -53,7 +51,7 @@ in
     changeDirWidgetCommand = mkOption {
       type = types.nullOr types.str;
       default = null;
-      example = "fd --type d" ;
+      example = "fd --type d";
       description = ''
         The command that gets executed as the source for skim for the
         ALT-C keybinding.
@@ -62,7 +60,7 @@ in
 
     changeDirWidgetOptions = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       example = [ "--preview 'tree -C {} | head -200'" ];
       description = ''
         Command line options for the ALT-C keybinding.
@@ -71,7 +69,7 @@ in
 
     historyWidgetOptions = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       example = [ "--tac" "--exact" ];
       description = ''
         Command line options for the CTRL-R keybinding.
@@ -98,9 +96,8 @@ in
   config = mkIf cfg.enable {
     home.packages = [ pkgs.skim ];
 
-    home.sessionVariables =
+    home.sessionVariables = mapAttrs (n: v: toString v)
-      mapAttrs (n: v: toString v) (
+      (filterAttrs (n: v: v != [ ] && v != null) {
-        filterAttrs (n: v: v != [] && v != null) {
         SKIM_ALT_C_COMMAND = cfg.changeDirWidgetCommand;
         SKIM_ALT_C_OPTS = cfg.changeDirWidgetOptions;
         SKIM_CTRL_R_OPTS = cfg.historyWidgetOptions;
@@ -108,8 +105,7 @@ in
         SKIM_CTRL_T_OPTS = cfg.fileWidgetOptions;
         SKIM_DEFAULT_COMMAND = cfg.defaultCommand;
         SKIM_DEFAULT_OPTIONS = cfg.defaultOptions;
-        }
+      });
-      );
 
     programs.bash.initExtra = mkIf cfg.enableBashIntegration ''
       if [[ :$SHELLOPTS: =~ :(vi|emacs): ]]; then

modules/programs/starship.nix

@@ -7,20 +7,17 @@ let
   cfg = config.programs.starship;
 
   configFile = config:
-    pkgs.runCommand "config.toml"
+    pkgs.runCommand "config.toml" {
-      {
       buildInputs = [ pkgs.remarshal ];
       preferLocalBuild = true;
       allowSubstitutes = false;
-      }
+    } ''
-      ''
       remarshal -if json -of toml \
         < ${pkgs.writeText "config.json" (builtins.toJSON config)} \
         > $out
     '';
-in
 
-{
+in {
   meta.maintainers = [ maintainers.marsam ];
 
   options.programs.starship = {
@@ -35,7 +32,7 @@ in
 
     settings = mkOption {
       type = types.attrs;
-      default = {};
+      default = { };
       description = ''
         Configuration written to
         <filename>~/.config/starship.toml</filename>.
@@ -73,9 +70,8 @@ in
   config = mkIf cfg.enable {
     home.packages = [ cfg.package ];
 
-    xdg.configFile."starship.toml" = mkIf (cfg.settings != {}) {
+    xdg.configFile."starship.toml" =
-      source = configFile cfg.settings;
+      mkIf (cfg.settings != { }) { source = configFile cfg.settings; };
-    };
 
     programs.bash.initExtra = mkIf cfg.enableBashIntegration ''
       if [[ -z $INSIDE_EMACS ]]; then

modules/programs/taskwarrior.nix

@@ -9,38 +9,39 @@ let
   themePath = theme: "${pkgs.taskwarrior}/share/doc/task/rc/${theme}.theme";
 
   includeTheme = location:
-    if location == null then ""
+    if location == null then
-    else if isString location then "include ${themePath location}"
+      ""
-    else "include ${location}";
+    else if isString location then
+      "include ${themePath location}"
+    else
+      "include ${location}";
 
   formatValue = value:
-    if isBool value then if value then "true" else "false"
+    if isBool value then
-    else if isList value then concatMapStringsSep "," formatValue value
+      if value then "true" else "false"
-    else toString value;
+    else if isList value then
+      concatMapStringsSep "," formatValue value
+    else
+      toString value;
 
-  formatLine = key: value:
+  formatLine = key: value: "${key}=${formatValue value}";
-    "${key}=${formatValue value}";
 
   formatSet = key: values:
     (concatStringsSep "\n"
-      (mapAttrsToList
+      (mapAttrsToList (subKey: subValue: formatPair "${key}.${subKey}" subValue)
-        (subKey: subValue: formatPair "${key}.${subKey}" subValue)
         values));
 
   formatPair = key: value:
-    if isAttrs value then formatSet key value
+    if isAttrs value then formatSet key value else formatLine key value;
-    else formatLine key value;
 
-in
+in {
-
-{
   options = {
     programs.taskwarrior = {
       enable = mkEnableOption "Task Warrior";
 
       config = mkOption {
         type = types.attrs;
-        default = {};
+        default = { };
         example = literalExample ''
           {
             confirmation = false;
@@ -103,8 +104,7 @@ in
       data.location=${cfg.dataLocation}
       ${includeTheme cfg.colorTheme}
 
-      ${concatStringsSep "\n" (
+      ${concatStringsSep "\n" (mapAttrsToList formatPair cfg.config)}
-        mapAttrsToList formatPair cfg.config)}
 
       ${cfg.extraConfig}
     '';

modules/programs/termite.nix

@@ -13,9 +13,7 @@ let
     fi
   '';
 
-in
+in {
-
-{
   options = {
     programs.termite = {
       enable = mkEnableOption "Termite VTE-based terminal";
@@ -61,7 +59,9 @@ in
       mouseAutohide = mkOption {
         default = null;
         type = types.nullOr types.bool;
-        description = "Automatically hide the mouse pointer when you start typing.";
+        description = ''
+          Automatically hide the mouse pointer when you start typing.
+        '';
       };
 
       scrollOnOutput = mkOption {
@@ -73,7 +73,9 @@ in
       scrollOnKeystroke = mkOption {
         default = null;
         type = types.nullOr types.bool;
-        description = "Scroll to the bottom automatically when a key is pressed.";
+        description = ''
+          Scroll to the bottom automatically when a key is pressed.
+        '';
       };
 
       searchWrap = mkOption {
@@ -106,14 +108,16 @@ in
         default = null;
         example = "terminal";
         type = types.nullOr types.str;
-        description = "The name of the icon to be used for the terminal process.";
+        description =
+          "The name of the icon to be used for the terminal process.";
       };
 
       scrollbackLines = mkOption {
         default = null;
         example = 10000;
         type = types.nullOr types.int;
-        description = "Set the number of lines to limit the terminal's scrollback.";
+        description =
+          "Set the number of lines to limit the terminal's scrollback.";
       };
 
       browser = mkOption {
@@ -149,7 +153,8 @@ in
       filterUnmatchedUrls = mkOption {
         default = null;
         type = types.nullOr types.bool;
-        description = "Whether to hide url hints not matching input in url hints mode.";
+        description =
+          "Whether to hide url hints not matching input in url hints mode.";
       };
 
       modifyOtherKeys = mkOption {
@@ -290,7 +295,8 @@ in
         default = "";
         example = "fullscreen = true";
         type = types.lines;
-        description = "Extra options that should be added to [options] section.";
+        description =
+          "Extra options that should be added to [options] section.";
       };
 
       colorsExtra = mkOption {
@@ -301,24 +307,28 @@ in
           color2 = #60b48a
         '';
         type = types.lines;
-        description = "Extra colors options that should be added to [colors] section.";
+        description =
+          "Extra colors options that should be added to [colors] section.";
       };
 
       hintsExtra = mkOption {
         default = "";
         example = "border = #3f3f3f";
         type = types.lines;
-        description = "Extra hints options that should be added to [hints] section.";
+        description =
+          "Extra hints options that should be added to [hints] section.";
       };
     };
   };
 
-  config = (
+  config = (let
-    let
     boolToString = v: if v then "true" else "false";
-      optionalBoolean = name: val: lib.optionalString (val != null) "${name} = ${boolToString val}";
+    optionalBoolean = name: val:
-      optionalInteger = name: val: lib.optionalString (val != null) "${name} = ${toString val}";
+      lib.optionalString (val != null) "${name} = ${boolToString val}";
-      optionalString = name: val: lib.optionalString (val != null) "${name} = ${val}";
+    optionalInteger = name: val:
+      lib.optionalString (val != null) "${name} = ${toString val}";
+    optionalString = name: val:
+      lib.optionalString (val != null) "${name} = ${val}";
   in mkIf cfg.enable {
     home.packages = [ pkgs.termite ];
     xdg.configFile."termite/config".text = ''
@@ -373,6 +383,5 @@ in
 
     programs.bash.initExtra = vteInitStr;
     programs.zsh.initExtra = vteInitStr;
-    }
+  });
-  );
 }

modules/programs/texlive.nix

@@ -8,9 +8,7 @@ let
 
   texlivePkgs = cfg.extraPackages pkgs.texlive;
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -35,13 +33,11 @@ in
   };
 
   config = mkIf cfg.enable {
-    assertions = [
+    assertions = [{
-      {
+      assertion = texlivePkgs != { };
-        assertion = texlivePkgs != {};
       message = "Must provide at least one extra package in"
         + " 'programs.texlive.extraPackages'.";
-      }
+    }];
-    ];
 
     home.packages = [ cfg.package ];
 

modules/programs/urxvt.nix

@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.urxvt;
 
-in
+in {
-
-{
   options.programs.urxvt = {
     enable = mkEnableOption "rxvt-unicode terminal emulator";
 
@@ -21,14 +19,14 @@ in
 
     fonts = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       description = "List of fonts to be used.";
       example = [ "xft:Droid Sans Mono Nerd Font:size=9" ];
     };
 
     keybindings = mkOption {
       type = types.attrsOf types.str;
-      default = {};
+      default = { };
       description = "Mapping of keybindings to actions";
       example = literalExample ''
         {
@@ -41,7 +39,8 @@ in
     iso14755 = mkOption {
       type = types.bool;
       default = true;
-      description = "ISO14755 support for viewing and entering unicode characters.";
+      description =
+        "ISO14755 support for viewing and entering unicode characters.";
     };
 
     scroll = {
@@ -75,11 +74,12 @@ in
             floating = mkOption {
               type = types.bool;
               default = true;
-              description = "Whether to display an rxvt scrollbar without a trough.";
+              description =
+                "Whether to display an rxvt scrollbar without a trough.";
             };
           };
         };
-        default = {};
+        default = { };
         description = "Scrollbar settings.";
       };
 
@@ -92,7 +92,8 @@ in
       keepPosition = mkOption {
         type = types.bool;
         default = true;
-        description = "Whether to keep a scroll position when TTY receives new lines.";
+        description =
+          "Whether to keep a scroll position when TTY receives new lines.";
       };
 
       scrollOnKeystroke = mkOption {
@@ -117,11 +118,12 @@ in
     shading = mkOption {
       type = types.ints.between 0 200;
       default = 100;
-      description = "Darken (0 .. 99) or lighten (101 .. 200) the transparent background.";
+      description =
+        "Darken (0 .. 99) or lighten (101 .. 200) the transparent background.";
     };
 
     extraConfig = mkOption {
-      default = {};
+      default = { };
       type = types.attrs;
       description = "Additional configuration to add.";
       example = { "shading" = 15; };
@@ -145,12 +147,10 @@ in
       "URxvt.transparent" = cfg.transparent;
       "URxvt.shading" = cfg.shading;
       "URxvt.iso14755" = cfg.iso14755;
-    } // flip mapAttrs' cfg.keybindings (kb: action:
+    } // flip mapAttrs' cfg.keybindings
-     nameValuePair "URxvt.keysym.${kb}" action
+      (kb: action: nameValuePair "URxvt.keysym.${kb}" action)
-    ) // optionalAttrs (cfg.fonts != []) {
+      // optionalAttrs (cfg.fonts != [ ]) {
         "URxvt.font" = concatStringsSep "," cfg.fonts;
-    } // flip mapAttrs' cfg.extraConfig (k: v:
+      } // flip mapAttrs' cfg.extraConfig (k: v: nameValuePair "URxvt.${k}" v);
-      nameValuePair "URxvt.${k}" v
-    );
   };
 }

modules/programs/vim.nix

@@ -31,43 +31,36 @@ let
   };
 
   vimSettingsType = types.submodule {
-    options =
+    options = let
-      let
+      opt = name: type:
-        opt = name: type: mkOption {
+        mkOption {
           type = types.nullOr type;
           default = null;
           visible = false;
         };
-      in
+    in mapAttrs opt knownSettings;
-        mapAttrs opt knownSettings;
   };
 
   setExpr = name: value:
     let
-      v =
+      v = if isBool value then
-        if isBool value then (if value then "" else "no") + name
+        (if value then "" else "no") + name
       else
         "${name}=${
-            if isList value
+          if isList value then concatStringsSep "," value else toString value
-            then concatStringsSep "," value
-            else toString value
         }";
-    in
+    in optionalString (value != null) ("set " + v);
-      optionalString (value != null) ("set " + v);
 
-  plugins =
+  plugins = let
-    let
     vpkgs = pkgs.vimPlugins;
     getPkg = p:
-        if isDerivation p
+      if isDerivation p then
-        then [ p ]
+        [ p ]
-        else optional (isString p && hasAttr p vpkgs) vpkgs.${p};
+      else
-    in
+        optional (isString p && hasAttr p vpkgs) vpkgs.${p};
-      concatMap getPkg cfg.plugins;
+  in concatMap getPkg cfg.plugins;
 
-in
+in {
-
-{
   options = {
     programs.vim = {
       enable = mkEnableOption "Vim";
@@ -75,7 +68,7 @@ in
       plugins = mkOption {
         type = with types; listOf (either str package);
         default = defaultPlugins;
-        example = literalExample ''[ pkgs.vimPlugins.YankRing ]'';
+        example = literalExample "[ pkgs.vimPlugins.YankRing ]";
         description = ''
           List of vim plugins to install. To get a list of supported plugins run:
           <command>nix-env -f '&lt;nixpkgs&gt;' -qaP -A vimPlugins</command>.
@@ -88,7 +81,7 @@ in
 
       settings = mkOption {
         type = vimSettingsType;
-        default = {};
+        default = { };
         example = literalExample ''
           {
             expandtab = true;
@@ -102,14 +95,12 @@ in
           options.
 
           <informaltable frame="none"><tgroup cols="1"><tbody>
-          ${concatStringsSep "\n" (
+          ${concatStringsSep "\n" (mapAttrsToList (n: v: ''
-            mapAttrsToList (n: v: ''
             <row>
               <entry><varname>${n}</varname></entry>
               <entry>${v.description}</entry>
             </row>
-            '') knownSettings
+          '') knownSettings)}
-          )}
           </tbody></tgroup></informaltable>
 
           See the Vim documentation for detailed descriptions of these
@@ -136,13 +127,10 @@ in
     };
   };
 
-  config = (
+  config = (let
-    let
     customRC = ''
-        ${concatStringsSep "\n" (
+      ${concatStringsSep "\n" (filter (v: v != "") (mapAttrsToList setExpr
-          filter (v: v != "") (
+        (builtins.intersectAttrs knownSettings cfg.settings)))}
-          mapAttrsToList setExpr (
-          builtins.intersectAttrs knownSettings cfg.settings)))}
 
       ${cfg.extraConfig}
     '';
@@ -155,26 +143,19 @@ in
         packages.home-manager.start = plugins;
       };
     };
-    in
+  in mkIf cfg.enable {
-      mkIf cfg.enable {
+    assertions = let
-        assertions =
+      packagesNotFound =
-          let
+        filter (p: isString p && (!hasAttr p pkgs.vimPlugins)) cfg.plugins;
-            packagesNotFound = filter (p: isString p && (!hasAttr p pkgs.vimPlugins)) cfg.plugins;
+    in [{
-          in
+      assertion = packagesNotFound == [ ];
-            [
-              {
-                assertion = packagesNotFound == [];
       message = "Following VIM plugin not found in pkgs.vimPlugins: ${
           concatMapStringsSep ", " (p: ''"${p}"'') packagesNotFound
         }";
-              }
+    }];
-            ];
 
-        warnings =
+    warnings = let stringPlugins = filter isString cfg.plugins;
-          let
+    in optional (stringPlugins != [ ]) ''
-            stringPlugins = filter isString cfg.plugins;
-          in
-            optional (stringPlugins != []) ''
       Specifying VIM plugins using strings is deprecated, found ${
         concatMapStringsSep ", " (p: ''"${p}"'') stringPlugins
       } as strings.
@@ -186,6 +167,5 @@ in
       package = vim;
       plugins = defaultPlugins;
     };
-      }
+  });
-  );
 }

modules/programs/vscode/haskell.nix

@@ -7,8 +7,8 @@ let
   cfg = config.programs.vscode.haskell;
 
   defaultHieNixExe = hie-nix.hies + "/bin/hie-wrapper";
-  defaultHieNixExeText = literalExample
+  defaultHieNixExeText =
-    "\"\${pkgs.hie-nix.hies}/bin/hie-wrapper\"";
+    literalExample ''"''${pkgs.hie-nix.hies}/bin/hie-wrapper"'';
 
   hie-nix = pkgs.hie-nix or (abort ''
     vscode.haskell: pkgs.hie-nix missing. Please add an overlay such as:
@@ -21,9 +21,7 @@ let
     ]
   '';
 
-in
+in {
-
-{
   options.programs.vscode.haskell = {
     enable = mkEnableOption "Haskell integration for Visual Studio Code";
 
@@ -57,9 +55,7 @@ in
     };
 
     programs.vscode.extensions =
-      [
+      [ pkgs.vscode-extensions.justusadam.language-haskell ]
-        pkgs.vscode-extensions.justusadam.language-haskell
-      ]
       ++ lib.optional cfg.hie.enable
       pkgs.vscode-extensions.alanz.vscode-hie-server;
   };

modules/programs/z-lua.nix

@@ -14,9 +14,7 @@ let
     zh = "z -I -t ."; # fzf
   };
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.marsam ];
 
   options.programs.z-lua = {
@@ -24,7 +22,7 @@ in
 
     options = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       example = [ "enhanced" "once" "fzf" ];
       description = ''
         List of options to pass to z.lua.
@@ -68,15 +66,21 @@ in
     home.packages = [ pkgs.z-lua ];
 
     programs.bash.initExtra = mkIf cfg.enableBashIntegration ''
-      eval "$(${pkgs.z-lua}/bin/z --init bash ${concatStringsSep " " cfg.options})"
+      eval "$(${pkgs.z-lua}/bin/z --init bash ${
+        concatStringsSep " " cfg.options
+      })"
     '';
 
     programs.zsh.initExtra = mkIf cfg.enableZshIntegration ''
-      eval "$(${pkgs.z-lua}/bin/z --init zsh ${concatStringsSep " " cfg.options})"
+      eval "$(${pkgs.z-lua}/bin/z --init zsh ${
+        concatStringsSep " " cfg.options
+      })"
     '';
 
     programs.fish.shellInit = mkIf cfg.enableFishIntegration ''
-      source (${pkgs.z-lua}/bin/z --init fish ${concatStringsSep " " cfg.options} | psub)
+      source (${pkgs.z-lua}/bin/z --init fish ${
+        concatStringsSep " " cfg.options
+      } | psub)
     '';
 
     programs.bash.shellAliases = mkIf cfg.enableAliases aliases;

modules/programs/zathura.nix

@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ...}:
+{ config, lib, pkgs, ... }:
 
 with lib;
 
@@ -9,14 +9,10 @@ let
   formatLine = n: v:
     let
       formatValue = v:
-        if isBool v then (if v then "true" else "false")
+        if isBool v then (if v then "true" else "false") else toString v;
-        else toString v;
+    in ''set ${n}	"${formatValue v}"'';
-    in
-      "set ${n}\t\"${formatValue v}\"";
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.rprospero ];
 
   options.programs.zathura = {
@@ -25,7 +21,7 @@ in
       focused on keyboard interaction'';
 
     options = mkOption {
-      default = {};
+      default = { };
       type = with types; attrsOf (either str (either bool int));
       description = ''
         Add <option>:set</option> command options to zathura and make
@@ -36,7 +32,10 @@ in
         </citerefentry>
         for the full list of options.
       '';
-      example = { default-bg = "#000000"; default-fg = "#FFFFFF"; };
+      example = {
+        default-bg = "#000000";
+        default-fg = "#FFFFFF";
+      };
     };
 
     extraConfig = mkOption {
@@ -52,10 +51,8 @@ in
   config = mkIf cfg.enable {
     home.packages = [ pkgs.zathura ];
 
-    xdg.configFile."zathura/zathurarc".text =
+    xdg.configFile."zathura/zathurarc".text = concatStringsSep "\n" ([ ]
-      concatStringsSep "\n" ([]
       ++ optional (cfg.extraConfig != "") cfg.extraConfig
-        ++ mapAttrsToList formatLine cfg.options
+      ++ mapAttrsToList formatLine cfg.options) + "\n";
-      ) + "\n";
   };
 }

modules/services/blueman-applet.nix

@@ -28,13 +28,9 @@ with lib;
         PartOf = [ "graphical-session.target" ];
       };
 
-        Install = {
+      Install = { WantedBy = [ "graphical-session.target" ]; };
-          WantedBy = [ "graphical-session.target" ];
-        };
 
-        Service = {
+      Service = { ExecStart = "${pkgs.blueman}/bin/blueman-applet"; };
-          ExecStart = "${pkgs.blueman}/bin/blueman-applet";
-        };
     };
   };
 }

modules/services/cbatticon.nix

@@ -9,37 +9,24 @@ let
   package = pkgs.cbatticon;
 
   makeCommand = commandName: commandArg:
-    optional (commandArg != null) (
+    optional (commandArg != null)
-      let
+    (let cmd = pkgs.writeShellScript commandName commandArg;
-        cmd = pkgs.writeShellScript commandName commandArg;
+    in "--${commandName} ${cmd}");
-      in
-        "--${commandName} ${cmd}"
-    );
 
-  commandLine = concatStringsSep " " (
+  commandLine = concatStringsSep " " ([ "${package}/bin/cbatticon" ]
-    [ "${package}/bin/cbatticon" ]
     ++ makeCommand "command-critical-level" cfg.commandCriticalLevel
     ++ makeCommand "command-left-click" cfg.commandLeftClick
-    ++ optional
+    ++ optional (cfg.iconType != null) "--icon-type ${cfg.iconType}"
-      (cfg.iconType != null)
+    ++ optional (cfg.lowLevelPercent != null)
-      "--icon-type ${cfg.iconType}"
-    ++ optional
-      (cfg.lowLevelPercent != null)
     "--low-level ${toString cfg.lowLevelPercent}"
-    ++ optional
+    ++ optional (cfg.criticalLevelPercent != null)
-      (cfg.criticalLevelPercent != null)
     "--critical-level ${toString cfg.criticalLevelPercent}"
-    ++ optional
+    ++ optional (cfg.updateIntervalSeconds != null)
-      (cfg.updateIntervalSeconds != null)
     "--update-interval ${toString cfg.updateIntervalSeconds}"
-    ++ optional
+    ++ optional (cfg.hideNotification != null && cfg.hideNotification)
-      (cfg.hideNotification != null && cfg.hideNotification)
+    "--hide-notification");
-      "--hide-notification"
-  );
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.pmiddend ];
 
   options = {
@@ -66,7 +53,8 @@ in
       };
 
       iconType = mkOption {
-        type = types.nullOr (types.enum [ "standard" "notification" "symbolic" ]);
+        type =
+          types.nullOr (types.enum [ "standard" "notification" "symbolic" ]);
         default = null;
         example = "symbolic";
         description = "Icon type to display in the system tray.";
@@ -119,9 +107,7 @@ in
         PartOf = [ "graphical-session.target" ];
       };
 
-      Install = {
+      Install = { WantedBy = [ "graphical-session.target" ]; };
-        WantedBy = [ "graphical-session.target" ];
-      };
 
       Service = {
         ExecStart = commandLine;

modules/services/compton.nix

@@ -7,16 +7,14 @@ let
 
   cfg = config.services.compton;
 
-  configFile = pkgs.writeText "compton.conf"
+  configFile = pkgs.writeText "compton.conf" (optionalString cfg.fade ''
-    (optionalString cfg.fade ''
     # fading
     fading = true;
     fade-delta    = ${toString cfg.fadeDelta};
     fade-in-step  = ${elemAt cfg.fadeSteps 0};
     fade-out-step = ${elemAt cfg.fadeSteps 1};
     fade-exclude  = ${toJSON cfg.fadeExclude};
-    '' +
+  '' + optionalString cfg.shadow ''
-    optionalString cfg.shadow ''
 
     # shadows
     shadow = true;
@@ -26,8 +24,7 @@ let
     shadow-exclude  = ${toJSON cfg.shadowExclude};
     no-dock-shadow  = ${toJSON cfg.noDockShadow};
     no-dnd-shadow   = ${toJSON cfg.noDNDShadow};
-    '' + 
+  '' + optionalString cfg.blur ''
-    optionalString cfg.blur ''
 
     # blur
     blur-background         = true;
@@ -61,11 +58,8 @@ in {
 
     blurExclude = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
-      example = [
+      example = [ "class_g = 'slop'" "class_i = 'polybar'" ];
-        "class_g = 'slop'"
-        "class_i = 'polybar'"
-      ];
       description = ''
         List of windows to exclude background blur.
         See the
@@ -105,12 +99,8 @@ in {
 
     fadeExclude = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
-      example = [
+      example = [ "window_type *= 'menu'" "name ~= 'Firefox$'" "focused = 1" ];
-        "window_type *= 'menu'"
-        "name ~= 'Firefox$'"
-        "focused = 1"
-      ];
       description = ''
         List of conditions of windows that should not be faded.
         See the
@@ -150,12 +140,8 @@ in {
 
     shadowExclude = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
-      example = [
+      example = [ "window_type *= 'menu'" "name ~= 'Firefox$'" "focused = 1" ];
-        "window_type *= 'menu'"
-        "name ~= 'Firefox$'"
-        "focused = 1"
-      ];
       description = ''
         List of conditions of windows that should have no shadow.
         See the
@@ -212,11 +198,8 @@ in {
 
     opacityRule = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
-      example = [
+      example = [ "87:class_i ?= 'scratchpad'" "91:class_i ?= 'xterm'" ];
-        "87:class_i ?= 'scratchpad'"
-        "91:class_i ?= 'xterm'"
-      ];
       description = ''
         List of opacity rules.
         See the
@@ -293,16 +276,13 @@ in {
         PartOf = [ "graphical-session.target" ];
       };
 
-      Install = {
+      Install = { WantedBy = [ "graphical-session.target" ]; };
-        WantedBy = [ "graphical-session.target" ];
-      };
 
       Service = {
         ExecStart = "${cfg.package}/bin/compton --config ${configFile}";
         Restart = "always";
         RestartSec = 3;
-      }
+      } // optionalAttrs (cfg.backend == "glx") {
-      // optionalAttrs (cfg.backend == "glx") {
         # Temporarily fixes corrupt colours with Mesa 18.
         Environment = [ "allow_rgb10_configs=false" ];
       };

modules/services/dunst.nix

@@ -6,17 +6,19 @@ let
 
   cfg = config.services.dunst;
 
-  eitherStrBoolIntList = with types; either str (either bool (either int (listOf str)));
+  eitherStrBoolIntList = with types;
+    either str (either bool (either int (listOf str)));
 
   toDunstIni = generators.toINI {
     mkKeyValue = key: value:
       let
-      value' =
+        value' = if isBool value then
-        if isBool value then (if value then "yes" else "no")
+          (if value then "yes" else "no")
-        else if isString value then "\"${value}\""
+        else if isString value then
-        else toString value;
+          ''"${value}"''
-    in
+        else
-      "${key}=${value'}";
+          toString value;
+      in "${key}=${value'}";
   };
 
   themeType = types.submodule {
@@ -48,9 +50,7 @@ let
     size = "32x32";
   };
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -65,7 +65,7 @@ in
 
       settings = mkOption {
         type = with types; attrsOf (attrsOf eitherStrBoolIntList);
-        default = {};
+        default = { };
         description = "Configuration written to ~/.config/dunstrc";
         example = literalExample ''
           {
@@ -87,18 +87,15 @@ in
     };
   };
 
-  config = mkIf cfg.enable (
+  config = mkIf cfg.enable (mkMerge [
-    mkMerge [
     {
       xdg.dataFile."dbus-1/services/org.knopwob.dunst.service".source =
         "${pkgs.dunst}/share/dbus-1/services/org.knopwob.dunst.service";
 
-        services.dunst.settings.global.icon_path =
+      services.dunst.settings.global.icon_path = let
-          let
+        useCustomTheme = cfg.iconTheme.package != hicolorTheme.package
-            useCustomTheme =
+          || cfg.iconTheme.name != hicolorTheme.name || cfg.iconTheme.size
-              cfg.iconTheme.package != hicolorTheme.package
+          != hicolorTheme.size;
-              || cfg.iconTheme.name != hicolorTheme.name
-              || cfg.iconTheme.size != hicolorTheme.size;
 
         basePaths = [
           "/run/current-system/sw"
@@ -106,12 +103,8 @@ in
           cfg.iconTheme.package
         ] ++ optional useCustomTheme hicolorTheme.package;
 
-            themes =
+        themes = [ cfg.iconTheme ] ++ optional useCustomTheme
-              [
+          (hicolorTheme // { size = cfg.iconTheme.size; });
-                cfg.iconTheme
-              ] ++ optional useCustomTheme (
-                hicolorTheme // { size = cfg.iconTheme.size; }
-              );
 
         categories = [
           "actions"
@@ -128,16 +121,11 @@ in
           "status"
           "stock"
         ];
-          in
+      in concatStringsSep ":" (concatMap (theme:
-            concatStringsSep ":" (
-              concatMap (theme:
         concatMap (basePath:
           map (category:
-                    "${basePath}/share/icons/${theme.name}/${theme.size}/${category}"
+            "${basePath}/share/icons/${theme.name}/${theme.size}/${category}")
-                  ) categories
+          categories) basePaths) themes);
-                ) basePaths
-              ) themes
-            );
 
       systemd.user.services.dunst = {
         Unit = {
@@ -154,7 +142,7 @@ in
       };
     }
 
-      (mkIf (cfg.settings != {}) {
+    (mkIf (cfg.settings != { }) {
       xdg.configFile."dunst/dunstrc" = {
         text = toDunstIni cfg.settings;
         onChange = ''
@@ -167,6 +155,5 @@ in
         '';
       };
     })
-    ]
+  ]);
-  );
 }

modules/services/dwm-status.nix

@@ -10,9 +10,8 @@ let
   configText = builtins.toJSON ({ inherit (cfg) order; } // cfg.extraConfig);
 
   configFile = pkgs.writeText "dwm-status.json" configText;
-in
 
-{
+in {
   options = {
     services.dwm-status = {
       enable = mkEnableOption "dwm-status user service";
@@ -32,7 +31,7 @@ in
 
       extraConfig = mkOption {
         type = types.attrs;
-        default = {};
+        default = { };
         example = literalExample ''
           {
             separator = "#";
@@ -58,13 +57,9 @@ in
         PartOf = [ "graphical-session.target" ];
       };
 
-      Install = {
+      Install = { WantedBy = [ "graphical-session.target" ]; };
-        WantedBy = [ "graphical-session.target" ];
-      };
 
-      Service = {
+      Service = { ExecStart = "${cfg.package}/bin/dwm-status ${configFile}"; };
-        ExecStart = "${cfg.package}/bin/dwm-status ${configFile}";
-      };
     };
   };
 }

modules/services/emacs.nix

@@ -8,26 +8,21 @@ let
   emacsCfg = config.programs.emacs;
   emacsBinPath = "${emacsCfg.finalPackage}/bin";
 
-in
+in {
-
+  options.services.emacs = { enable = mkEnableOption "the Emacs daemon"; };
-{
-  options.services.emacs = {
-    enable = mkEnableOption "the Emacs daemon";
-  };
 
   config = mkIf cfg.enable {
-    assertions = [
+    assertions = [{
-      {
       assertion = emacsCfg.enable;
       message = "The Emacs service module requires"
         + " 'programs.emacs.enable = true'.";
-      }
+    }];
-    ];
 
     systemd.user.services.emacs = {
       Unit = {
         Description = "Emacs: the extensible, self-documenting text editor";
-        Documentation = "info:emacs man:emacs(1) https://gnu.org/software/emacs/";
+        Documentation =
+          "info:emacs man:emacs(1) https://gnu.org/software/emacs/";
 
         # Avoid killing the Emacs session, which may be full of
         # unsaved buffers.
@@ -35,14 +30,13 @@ in
       };
 
       Service = {
-        ExecStart = "${pkgs.runtimeShell} -l -c 'exec ${emacsBinPath}/emacs --fg-daemon'";
+        ExecStart =
+          "${pkgs.runtimeShell} -l -c 'exec ${emacsBinPath}/emacs --fg-daemon'";
         ExecStop = "${emacsBinPath}/emacsclient --eval '(kill-emacs)'";
         Restart = "on-failure";
       };
 
-      Install = {
+      Install = { WantedBy = [ "default.target" ]; };
-        WantedBy = [ "default.target" ];
-      };
     };
   };
 }

modules/services/flameshot.nix

@@ -7,16 +7,10 @@ let
   cfg = config.services.flameshot;
   package = pkgs.flameshot;
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.hamhut1066 ];
 
-  options = {
+  options = { services.flameshot = { enable = mkEnableOption "Flameshot"; }; };
-    services.flameshot = {
-      enable = mkEnableOption "Flameshot";
-    };
-  };
 
   config = mkIf cfg.enable {
     home.packages = [ package ];
@@ -33,9 +27,7 @@ in
         PartOf = [ "graphical-session.target" ];
       };
 
-      Install = {
+      Install = { WantedBy = [ "graphical-session.target" ]; };
-        WantedBy = [ "graphical-session.target" ];
-      };
 
       Service = {
         Environment = "PATH=${config.home.profileDirectory}/bin";

modules/services/getmail.nix

@@ -6,17 +6,19 @@ let
 
   cfg = config.services.getmail;
 
-  accounts = filter (a: a.getmail.enable)
+  accounts =
-    (attrValues config.accounts.email.accounts);
+    filter (a: a.getmail.enable) (attrValues config.accounts.email.accounts);
 
   # Note: The getmail service does not expect a path, but just the filename!
-  renderConfigFilepath = a: if a.primary then "getmailrc" else "getmail${a.name}";
+  renderConfigFilepath = a:
-  configFiles = concatMapStringsSep " " (a: " --rcfile ${renderConfigFilepath a}") accounts;
+    if a.primary then "getmailrc" else "getmail${a.name}";
-in
+  configFiles =
-{
+    concatMapStringsSep " " (a: " --rcfile ${renderConfigFilepath a}") accounts;
+in {
   options = {
     services.getmail = {
-      enable = mkEnableOption "the getmail systemd service to automatically retrieve mail";
+      enable = mkEnableOption
+        "the getmail systemd service to automatically retrieve mail";
 
       frequency = mkOption {
         type = types.str;
@@ -36,25 +38,17 @@ in
 
   config = mkIf cfg.enable {
     systemd.user.services.getmail = {
-      Unit = {
+      Unit = { Description = "getmail email fetcher"; };
-        Description = "getmail email fetcher";
+      Service = { ExecStart = "${pkgs.getmail}/bin/getmail ${configFiles}"; };
-      };
-      Service = {
-        ExecStart = "${pkgs.getmail}/bin/getmail ${configFiles}";
-      };
     };
 
     systemd.user.timers.getmail = {
-      Unit = {
+      Unit = { Description = "getmail email fetcher"; };
-        Description = "getmail email fetcher";
-      };
       Timer = {
         OnCalendar = "${cfg.frequency}";
         Unit = "getmail.service";
       };
-      Install = {
+      Install = { WantedBy = [ "timers.target" ]; };
-        WantedBy = [ "timers.target" ];
-      };
     };
 
   };

modules/services/gnome-keyring.nix

@@ -6,9 +6,7 @@ let
 
   cfg = config.services.gnome-keyring;
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -16,8 +14,8 @@ in
       enable = mkEnableOption "GNOME Keyring";
 
       components = mkOption {
-        type = types.listOf (types.enum ["pkcs11" "secrets" "ssh"]);
+        type = types.listOf (types.enum [ "pkcs11" "secrets" "ssh" ]);
-        default = [];
+        default = [ ];
         description = ''
           The GNOME keyring components to start. If empty then the
           default set of components will be started.
@@ -34,22 +32,15 @@ in
       };
 
       Service = {
-        ExecStart =
+        ExecStart = let
-          let
+          args = concatStringsSep " " ([ "--start" "--foreground" ]
-            args = concatStringsSep " " (
+            ++ optional (cfg.components != [ ])
-              [ "--start" "--foreground" ]
+            ("--components=" + concatStringsSep "," cfg.components));
-              ++ optional (cfg.components != []) (
+        in "${pkgs.gnome3.gnome_keyring}/bin/gnome-keyring-daemon ${args}";
-                "--components=" + concatStringsSep "," cfg.components
-              )
-            );
-          in
-            "${pkgs.gnome3.gnome_keyring}/bin/gnome-keyring-daemon ${args}";
         Restart = "on-abort";
       };
 
-      Install = {
+      Install = { WantedBy = [ "graphical-session-pre.target" ]; };
-        WantedBy = [ "graphical-session-pre.target" ];
-      };
     };
   };
 }

modules/services/grobi.nix

@@ -6,12 +6,10 @@ let
 
   cfg = config.services.grobi;
 
-  eitherStrBoolIntList =
+  eitherStrBoolIntList = with types;
-    with types; either str (either bool (either int (listOf str)));
+    either str (either bool (either int (listOf str)));
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.mbrgm ];
 
   options = {
@@ -20,7 +18,7 @@ in
 
       executeAfter = mkOption {
         type = with types; listOf str;
-        default = [];
+        default = [ ];
         example = [ "setxkbmap dvorak" ];
         description = ''
           Commands to be run after an output configuration was
@@ -32,7 +30,7 @@ in
 
       rules = mkOption {
         type = with types; listOf (attrsOf eitherStrBoolIntList);
-        default = [];
+        default = [ ];
         example = literalExample ''
           [
             {
@@ -88,9 +86,7 @@ in
         Environment = "PATH=${pkgs.xorg.xrandr}/bin:${pkgs.bash}/bin";
       };
 
-      Install = {
+      Install = { WantedBy = [ "graphical-session.target" ]; };
-        WantedBy = [ "graphical-session.target" ];
-      };
     };
 
     xdg.configFile."grobi.conf".text = builtins.toJSON {

modules/services/hound.nix

@@ -6,23 +6,16 @@ let
 
   cfg = config.services.hound;
 
-  configFile = pkgs.writeText "hound-config.json" (
+  configFile = pkgs.writeText "hound-config.json" (builtins.toJSON {
-    builtins.toJSON {
     max-concurrent-indexers = cfg.maxConcurrentIndexers;
     dbpath = cfg.databasePath;
     repos = cfg.repositories;
     health-check-url = "/healthz";
-    }
+  });
-  );
 
-  houndOptions = [
+  houndOptions = [ "--addr ${cfg.listenAddress}" "--conf ${configFile}" ];
-    "--addr ${cfg.listenAddress}"
-    "--conf ${configFile}"
-  ];
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.adisbladis ];
 
   options.services.hound = {
@@ -37,7 +30,7 @@ in
     databasePath = mkOption {
       type = types.path;
       default = "${config.xdg.dataHome}/hound";
-      defaultText = "\$XDG_DATA_HOME/hound";
+      defaultText = "$XDG_DATA_HOME/hound";
       description = "The Hound database path.";
     };
 
@@ -49,7 +42,7 @@ in
 
     repositories = mkOption {
       type = types.attrsOf (types.uniq types.attrs);
-      default = {};
+      default = { };
       example = literalExample ''
         {
           SomeGitRepo = {
@@ -67,17 +60,14 @@ in
     home.packages = [ pkgs.hound ];
 
     systemd.user.services.hound = {
-      Unit = {
+      Unit = { Description = "Hound source code search engine"; };
-        Description = "Hound source code search engine";
-      };
 
-      Install = {
+      Install = { WantedBy = [ "default.target" ]; };
-        WantedBy = [ "default.target" ];
-      };
 
       Service = {
         Environment = "PATH=${makeBinPath [ pkgs.mercurial pkgs.git ]}";
-        ExecStart = "${pkgs.hound}/bin/houndd ${concatStringsSep " " houndOptions}";
+        ExecStart =
+          "${pkgs.hound}/bin/houndd ${concatStringsSep " " houndOptions}";
       };
     };
   };

modules/services/imapnotify-accounts.nix

@@ -16,13 +16,16 @@ with lib;
     onNotifyPost = mkOption {
       type = with types; either str (attrsOf str);
       default = "";
-      example = { mail = "\${pkgs.notmuch}/bin/notmuch new && \${pkgs.libnotify}/bin/notify-send 'New mail arrived'"; };
+      example = {
+        mail =
+          "\${pkgs.notmuch}/bin/notmuch new && \${pkgs.libnotify}/bin/notify-send 'New mail arrived'";
+      };
       description = "Shell commands to run after onNotify event.";
     };
 
     boxes = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       example = [ "Inbox" "[Gmail]/MyLabel" ];
       description = "IMAP folders to watch.";
     };

modules/services/imapnotify.nix

@@ -6,46 +6,41 @@ let
 
   cfg = config.services.imapnotify;
 
-  safeName = lib.replaceChars ["@" ":" "\\" "[" "]"] ["-" "-" "-" "" ""];
+  safeName = lib.replaceChars [ "@" ":" "\\" "[" "]" ] [ "-" "-" "-" "" "" ];
 
   imapnotifyAccounts =
-    filter (a: a.imapnotify.enable)
+    filter (a: a.imapnotify.enable) (attrValues config.accounts.email.accounts);
-    (attrValues config.accounts.email.accounts);
 
   genAccountUnit = account:
-    let
+    let name = safeName account.name;
-      name = safeName account.name;
+    in {
-    in
-      {
       name = "imapnotify-${name}";
       value = {
-          Unit = {
+        Unit = { Description = "imapnotify for ${name}"; };
-            Description = "imapnotify for ${name}";
-          };
 
         Service = {
-            ExecStart = "${pkgs.imapnotify}/bin/imapnotify -c ${genAccountConfig account}";
+          ExecStart =
+            "${pkgs.imapnotify}/bin/imapnotify -c ${genAccountConfig account}";
         } // optionalAttrs account.notmuch.enable {
-            Environment = "NOTMUCH_CONFIG=${config.xdg.configHome}/notmuch/notmuchrc";
+          Environment =
+            "NOTMUCH_CONFIG=${config.xdg.configHome}/notmuch/notmuchrc";
         };
 
-          Install = {
+        Install = { WantedBy = [ "default.target" ]; };
-            WantedBy = [ "default.target" ];
-          };
       };
     };
 
   genAccountConfig = account:
-    pkgs.writeText "imapnotify-${safeName account.name}-config.js" (
+    pkgs.writeText "imapnotify-${safeName account.name}-config.js" (let
-      let
+      port = if account.imap.port != null then
-        port =
+        account.imap.port
-          if account.imap.port != null then account.imap.port
+      else if account.imap.tls.enable then
-          else if account.imap.tls.enable then 993
+        993
-          else 143;
+      else
+        143;
 
       toJSON = builtins.toJSON;
-      in
+    in ''
-        ''
       var child_process = require('child_process');
 
       function getStdout(cmd) {
@@ -61,47 +56,35 @@ let
       exports.onNotify = ${toJSON account.imapnotify.onNotify};
       exports.onNotifyPost = ${toJSON account.imapnotify.onNotifyPost};
       exports.boxes = ${toJSON account.imapnotify.boxes};
-        ''
+    '');
-    );
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.nickhu ];
 
   options = {
-    services.imapnotify = {
+    services.imapnotify = { enable = mkEnableOption "imapnotify"; };
-      enable = mkEnableOption "imapnotify";
-    };
 
     accounts.email.accounts = mkOption {
-      type = with types; attrsOf (submodule (
+      type = with types; attrsOf (submodule (import ./imapnotify-accounts.nix));
-        import ./imapnotify-accounts.nix
-      ));
     };
   };
 
   config = mkIf cfg.enable {
-    assertions =
+    assertions = let
-      let
       checkAccounts = pred: msg:
-          let
+        let badAccounts = filter pred imapnotifyAccounts;
-            badAccounts = filter pred imapnotifyAccounts;
+        in {
-          in
+          assertion = badAccounts == [ ];
-            {
-              assertion = badAccounts == [];
           message = "imapnotify: Missing ${msg} for accounts: "
             + concatMapStringsSep ", " (a: a.name) badAccounts;
         };
-      in
+    in [
-        [
       (checkAccounts (a: a.maildir == null) "maildir configuration")
       (checkAccounts (a: a.imap == null) "IMAP configuration")
       (checkAccounts (a: a.passwordCommand == null) "password command")
       (checkAccounts (a: a.userName == null) "username")
     ];
 
-    systemd.user.services =
+    systemd.user.services = listToAttrs (map genAccountUnit imapnotifyAccounts);
-      listToAttrs (map genAccountUnit imapnotifyAccounts);
   };
 }

modules/services/kdeconnect.nix

@@ -7,9 +7,7 @@ let
   cfg = config.services.kdeconnect;
   package = pkgs.kdeconnect;
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.adisbladis ];
 
   options = {
@@ -31,14 +29,13 @@ in
 
       systemd.user.services.kdeconnect = {
         Unit = {
-          Description = "Adds communication between your desktop and your smartphone";
+          Description =
+            "Adds communication between your desktop and your smartphone";
           After = [ "graphical-session-pre.target" ];
           PartOf = [ "graphical-session.target" ];
         };
 
-        Install = {
+        Install = { WantedBy = [ "graphical-session.target" ]; };
-          WantedBy = [ "graphical-session.target" ];
-        };
 
         Service = {
           Environment = "PATH=${config.home.profileDirectory}/bin";
@@ -52,16 +49,16 @@ in
       systemd.user.services.kdeconnect-indicator = {
         Unit = {
           Description = "kdeconnect-indicator";
-          After = [ "graphical-session-pre.target"
+          After = [
+            "graphical-session-pre.target"
             "polybar.service"
             "taffybar.service"
-                    "stalonetray.service" ];
+            "stalonetray.service"
+          ];
           PartOf = [ "graphical-session.target" ];
         };
 
-        Install = {
+        Install = { WantedBy = [ "graphical-session.target" ]; };
-          WantedBy = [ "graphical-session.target" ];
-        };
 
         Service = {
           Environment = "PATH=${config.home.profileDirectory}/bin";

modules/services/keepassx.nix

@@ -19,13 +19,9 @@ with lib;
         PartOf = [ "graphical-session.target" ];
       };
 
-        Install = {
+      Install = { WantedBy = [ "graphical-session.target" ]; };
-          WantedBy = [ "graphical-session.target" ];
-        };
 
-        Service = {
+      Service = { ExecStart = "${pkgs.keepassx}/bin/keepassx -min -lock"; };
-          ExecStart = "${pkgs.keepassx}/bin/keepassx -min -lock";
-        };
     };
   };
 }

modules/services/lorri.nix

@@ -6,14 +6,10 @@ let
 
   cfg = config.services.lorri;
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.gerschtli ];
 
-  options = {
+  options = { services.lorri.enable = mkEnableOption "lorri build daemon"; };
-    services.lorri.enable = mkEnableOption "lorri build daemon";
-  };
 
   config = mkIf cfg.enable {
     home.packages = [ pkgs.lorri ];
@@ -33,25 +29,22 @@ in
           ProtectSystem = "strict";
           ProtectHome = "read-only";
           Restart = "on-failure";
-          Environment =
+          Environment = let
-            let path = with pkgs; makeSearchPath "bin" [ nix gitMinimal gnutar gzip ];
+            path = with pkgs;
+              makeSearchPath "bin" [ nix gitMinimal gnutar gzip ];
           in "PATH=${path}";
         };
       };
 
       sockets.lorri = {
-        Unit = {
+        Unit = { Description = "Socket for lorri build daemon"; };
-          Description = "Socket for lorri build daemon";
-        };
 
         Socket = {
           ListenStream = "%t/lorri/daemon.socket";
           RuntimeDirectory = "lorri";
         };
 
-        Install = {
+        Install = { WantedBy = [ "sockets.target" ]; };
-          WantedBy = [ "sockets.target" ];
-        };
       };
     };
   };

modules/services/mbsync.nix

@@ -6,14 +6,10 @@ let
 
   cfg = config.services.mbsync;
 
-  mbsyncOptions =
+  mbsyncOptions = [ "--all" ] ++ optional (cfg.verbose) "--verbose"
-    [ "--all"
-    ] ++ optional (cfg.verbose) "--verbose"
     ++ optional (cfg.configFile != null) "--config ${cfg.configFile}";
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.pjones ];
 
   options.services.mbsync = {
@@ -81,30 +77,28 @@ in
 
   config = mkIf cfg.enable {
     systemd.user.services.mbsync = {
-      Unit = {
+      Unit = { Description = "mbsync mailbox synchronization"; };
-        Description = "mbsync mailbox synchronization";
-      };
 
       Service = {
         Type = "oneshot";
-        ExecStart = "${cfg.package}/bin/mbsync ${concatStringsSep " " mbsyncOptions}";
+        ExecStart =
-      } // (optionalAttrs (cfg.postExec != null) { ExecStartPost = cfg.postExec; })
+          "${cfg.package}/bin/mbsync ${concatStringsSep " " mbsyncOptions}";
-        // (optionalAttrs (cfg.preExec  != null) { ExecStartPre  = cfg.preExec;  });
+      } // (optionalAttrs (cfg.postExec != null) {
+        ExecStartPost = cfg.postExec;
+      }) // (optionalAttrs (cfg.preExec != null) {
+        ExecStartPre = cfg.preExec;
+      });
     };
 
     systemd.user.timers.mbsync = {
-      Unit = {
+      Unit = { Description = "mbsync mailbox synchronization"; };
-        Description = "mbsync mailbox synchronization";
-      };
 
       Timer = {
         OnCalendar = cfg.frequency;
         Unit = "mbsync.service";
       };
 
-      Install = {
+      Install = { WantedBy = [ "timers.target" ]; };
-        WantedBy = [ "timers.target" ];
-      };
     };
   };
 }

modules/services/mpdris2.nix

@@ -9,11 +9,11 @@ let
   toIni = generators.toINI {
     mkKeyValue = key: value:
       let
-        value' =
+        value' = if isBool value then
-          if isBool value then (if value then "True" else "False")
+          (if value then "True" else "False")
-          else toString value;
+        else
-      in
+          toString value;
-        "${key} = ${value'}";
+      in "${key} = ${value'}";
   };
 
   mpdris2Conf = {
@@ -29,9 +29,7 @@ let
     };
   };
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.pjones ];
 
   options.services.mpdris2 = {
@@ -76,19 +74,15 @@ in
   };
 
   config = mkIf cfg.enable {
-    assertions = [
+    assertions = [{
-      {
       assertion = config.services.mpd.enable;
       message = "The mpdris2 module requires 'services.mpd.enable = true'.";
-      }
+    }];
-    ];
 
     xdg.configFile."mpDris2/mpDris2.conf".text = toIni mpdris2Conf;
 
     systemd.user.services.mpdris2 = {
-      Install = {
+      Install = { WantedBy = [ "default.target" ]; };
-        WantedBy = [ "default.target" ];
-      };
 
       Unit = {
         Description = "MPRIS 2 support for MPD";

modules/services/muchsync.nix

@@ -150,23 +150,21 @@ in {
   };
 
   config = let
-    mapRemotes = gen: with attrsets; mapAttrs'
+    mapRemotes = gen:
+      with attrsets;
+      mapAttrs'
       (name: remoteCfg: nameValuePair "muchsync-${name}" (gen name remoteCfg))
       cfg.remotes;
   in mkIf (cfg.remotes != { }) {
-    assertions = [
+    assertions = [{
-      {
       assertion = config.programs.notmuch.enable;
       message = ''
         The muchsync module requires 'programs.notmuch.enable = true'.
       '';
-      }
+    }];
-    ];
 
     systemd.user.services = mapRemotes (name: remoteCfg: {
-      Unit = {
+      Unit = { Description = "muchsync sync service (${name})"; };
-        Description = "muchsync sync service (${name})";
-      };
       Service = {
         CPUSchedulingPolicy = "idle";
         IOSchedulingClass = "idle";
@@ -175,8 +173,7 @@ in {
           ''"NOTMUCH_CONFIG=${config.home.sessionVariables.NOTMUCH_CONFIG}"''
           ''"NMBGIT=${config.home.sessionVariables.NMBGIT}"''
         ];
-        ExecStart = concatStringsSep " " (
+        ExecStart = concatStringsSep " " ([ "${pkgs.muchsync}/bin/muchsync" ]
-          [ "${pkgs.muchsync}/bin/muchsync" ]
           ++ [ "-s ${escapeShellArg remoteCfg.sshCommand}" ]
           ++ optional (!remoteCfg.upload) "--noup"
 
@@ -189,23 +186,18 @@ in {
           ++ optional (remoteCfg.remote.muchsyncPath != "")
           "-r ${escapeShellArg remoteCfg.remote.muchsyncPath}"
           ++ optional remoteCfg.remote.checkForModifiedFiles "-F"
-          ++ optional (!remoteCfg.remote.importNew) "--nonew"
+          ++ optional (!remoteCfg.remote.importNew) "--nonew");
-        );
       };
     });
 
     systemd.user.timers = mapRemotes (name: remoteCfg: {
-      Unit = {
+      Unit = { Description = "muchsync periodic sync (${name})"; };
-        Description = "muchsync periodic sync (${name})";
-      };
       Timer = {
         Unit = "muchsync-${name}.service";
         OnCalendar = remoteCfg.frequency;
         Persistent = true;
       };
-      Install = {
+      Install = { WantedBy = [ "timers.target" ]; };
-        WantedBy = [ "timers.target" ];
-      };
     });
   };
 }

modules/services/network-manager-applet.nix

@@ -6,9 +6,7 @@ let
 
   cfg = config.services.network-manager-applet;
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -25,17 +23,13 @@ in
         PartOf = [ "graphical-session.target" ];
       };
 
-      Install = {
+      Install = { WantedBy = [ "graphical-session.target" ]; };
-        WantedBy = [ "graphical-session.target" ];
-      };
 
       Service = {
-        ExecStart = toString (
+        ExecStart = toString
-          [
+          ([ "${pkgs.networkmanagerapplet}/bin/nm-applet" "--sm-disable" ]
-            "${pkgs.networkmanagerapplet}/bin/nm-applet"
+            ++ optional config.xsession.preferStatusNotifierItems
-            "--sm-disable"
+            "--indicator");
-          ] ++ optional config.xsession.preferStatusNotifierItems "--indicator"
-        );
       };
     };
   };

modules/services/nextcloud-client.nix

@@ -4,9 +4,7 @@ with lib;
 
 {
   options = {
-    services.nextcloud-client = {
+    services.nextcloud-client = { enable = mkEnableOption "Nextcloud Client"; };
-      enable = mkEnableOption "Nextcloud Client";
-    };
   };
 
   config = mkIf config.services.nextcloud-client.enable {
@@ -22,9 +20,7 @@ with lib;
         ExecStart = "${pkgs.nextcloud-client}/bin/nextcloud";
       };
 
-      Install = {
+      Install = { WantedBy = [ "graphical-session.target" ]; };
-        WantedBy = [ "graphical-session.target" ];
-      };
     };
   };
 }

modules/services/owncloud-client.nix

@@ -4,9 +4,7 @@ with lib;
 
 {
   options = {
-    services.owncloud-client = {
+    services.owncloud-client = { enable = mkEnableOption "Owncloud Client"; };
-      enable = mkEnableOption "Owncloud Client";
-    };
   };
 
   config = mkIf config.services.owncloud-client.enable {
@@ -22,9 +20,7 @@ with lib;
         ExecStart = "${pkgs.owncloud-client}/bin/owncloud";
       };
 
-      Install = {
+      Install = { WantedBy = [ "graphical-session.target" ]; };
-        WantedBy = [ "graphical-session.target" ];
-      };
     };
   };
 }

modules/services/parcellite.nix

@@ -7,15 +7,11 @@ let
   cfg = config.services.parcellite;
   package = pkgs.parcellite;
 
-in
+in {
-
-{
   meta.maintainers = [ maintainers.gleber ];
 
   options = {
-    services.parcellite = {
+    services.parcellite = { enable = mkEnableOption "Parcellite"; };
-      enable = mkEnableOption "Parcellite";
-    };
   };
 
   config = mkIf cfg.enable {
@@ -28,9 +24,7 @@ in
         PartOf = [ "graphical-session.target" ];
       };
 
-      Install = {
+      Install = { WantedBy = [ "graphical-session.target" ]; };
-        WantedBy = [ "graphical-session.target" ];
-      };
 
       Service = {
         ExecStart = "${package}/bin/parcellite";