screen: add module

modules/programs/screen.nix

@@ -0,0 +1,55 @@
+{
+  lib,
+  pkgs,
+  config,
+  ...
+}:
+let
+  inherit (lib)
+    types
+    mkIf
+    mkEnableOption
+    mkPackageOption
+    mkOption
+    ;
+
+  cfg = config.programs.screen;
+in
+{
+  meta.maintainers = with lib.hm.maintainers; [ aguirre-matteo ];
+  options.programs.screen = {
+    enable = mkEnableOption "screen";
+    package = mkPackageOption pkgs "screen" { nullable = true; };
+    screenrc = mkOption {
+      type = with types; nullOr (either path lines);
+      default = null;
+      example = ''
+        screen -t rtorrent rtorrent
+        screen -t irssi irssi
+        screen -t centerim centerim
+        screen -t ncmpc ncmpc -c
+        screen -t bash4
+        screen -t bash5
+        screen -t bash6
+        screen -t bash7
+        screen -t bash8
+        screen -t bash9
+        altscreen on
+        term screen-256color
+        bind ',' prev
+        bind '.' next
+      '';
+      description = ''
+        Config file for GNU Screen. All the details can be found here:
+        <https://www.gnu.org/software/screen/manual/screen.html>.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    home.packages = mkIf (cfg.package != null) [ cfg.package ];
+    home.file.".screenrc" = mkIf (cfg.screenrc != null) {
+      source = if lib.isPath cfg.screenrc then cfg.screenrc else pkgs.writeText "screenrc" cfg.screenrc;
+    };
+  };
+}

tests/modules/programs/screen/default.nix

@@ -0,0 +1 @@
+{ screen-settings = ./settings.nix; }

tests/modules/programs/screen/screenrc

@@ -0,0 +1,14 @@
+screen -t rtorrent rtorrent
+screen -t irssi irssi
+screen -t centerim centerim
+screen -t ncmpc ncmpc -c
+screen -t bash4
+screen -t bash5
+screen -t bash6
+screen -t bash7
+screen -t bash8
+screen -t bash9
+altscreen on
+term screen-256color
+bind ',' prev
+bind '.' next

tests/modules/programs/screen/settings.nix

@@ -0,0 +1,26 @@
+{
+  programs.screen = {
+    enable = true;
+    screenrc = ''
+      screen -t rtorrent rtorrent
+      screen -t irssi irssi
+      screen -t centerim centerim
+      screen -t ncmpc ncmpc -c
+      screen -t bash4
+      screen -t bash5
+      screen -t bash6
+      screen -t bash7
+      screen -t bash8
+      screen -t bash9
+      altscreen on
+      term screen-256color
+      bind ',' prev
+      bind '.' next
+    '';
+  };
+
+  nmt.script = ''
+    assertFileExists home-files/.screenrc
+    assertFileContent home-files/.screenrc ${./screenrc}
+  '';
+}