nix-init: add module (#6864)

Co-authored-by: uncenter <47499684+uncenter@users.noreply.github.com>

.github/labeler.yml

@@ -292,6 +292,7 @@
     - modules/programs/pylint.nix
     - modules/programs/mise.nix
     - modules/programs/nix-index.nix
+    - modules/programs/nix-init.nix
     - modules/programs/nh.nix
     - modules/programs/bacon.nix
     - modules/programs/sqls.nix

modules/misc/news/2025-04-20_18-44-29.nix

@@ -0,0 +1,9 @@
+{
+  time = "2025-04-21T01:44:29+00:00";
+  condition = true;
+  message = ''
+    A new module is available: 'programs.nix-init'.
+
+    nix-init generate Nix packages from URLs.
+  '';
+}

modules/modules.nix

@@ -198,6 +198,7 @@ let
       ./programs/nh.nix
       ./programs/nheko.nix
       ./programs/nix-index.nix
+      ./programs/nix-init.nix
       ./programs/nix-your-shell.nix
       ./programs/nnn.nix
       ./programs/noti.nix

modules/programs/nix-init.nix

@@ -0,0 +1,60 @@
+{
+  lib,
+  pkgs,
+  config,
+  ...
+}:
+let
+  tomlFormat = pkgs.formats.toml { };
+  cfg = config.programs.nix-init;
+in
+{
+  meta.maintainers = [ lib.maintainers.awwpotato ];
+
+  options.programs.nix-init = {
+    enable = lib.mkEnableOption "nix-init";
+    package = lib.mkPackageOption pkgs "nix-init" { nullable = true; };
+    settings = lib.mkOption {
+      type = tomlFormat.type;
+      default = { };
+      example = lib.literalExpression ''
+        {
+          maintainers = [
+            "figsoda"
+          ];
+          nixpkgs = "<nixpkgs>";
+          commit = true;
+          access-tokens = {
+            github.com = "ghp_blahblahblah...";
+            gitlab.com = {
+              command = [
+                "secret-tool"
+                "or"
+                "whatever"
+                "you"
+                "use"
+              ];
+            };
+            gitlab.gnome.org = {
+              file = "/path/to/api/token";
+            };
+          };
+        }
+      '';
+      description = ''
+        Configuration written to
+        {file}`$XDG_CONFIG_HOME/nix-init/config.toml`.
+        See <https://github.com/nix-community/nix-init#configuration> for the full list
+        of options.
+      '';
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    home.packages = lib.mkIf (cfg.package != null) [ cfg.package ];
+
+    xdg.configFile."nix-init/config.toml" = lib.mkIf (cfg.settings != { }) {
+      source = tomlFormat.generate "config.toml" cfg.settings;
+    };
+  };
+}

tests/default.nix

@@ -418,6 +418,7 @@ import nmtSrc {
       ./modules/programs/newsboat
       ./modules/programs/nheko
       ./modules/programs/nix-index
+      ./modules/programs/nix-init
       ./modules/programs/nix-your-shell
       ./modules/programs/nnn
       ./modules/programs/nushell

tests/modules/programs/nix-init/basic-config.nix

@@ -0,0 +1,40 @@
+{ pkgs, ... }:
+{
+  programs.nix-init = {
+    enable = true;
+    settings = {
+      maintainers = [ "figsoda" ];
+      nixpkgs = "<nixpkgs>";
+      commit = true;
+      access-tokens = {
+        "github.com" = "ghp_blahblahblah...";
+        "gitlab.com".command = [
+          "secret-tool"
+          "or"
+          "whatever"
+          "you"
+          "use"
+        ];
+        "gitlab.gnome.org".file = "/path/to/api/token";
+      };
+    };
+  };
+
+  nmt.script = ''
+    assertFileExists home-files/.config/nix-init/config.toml
+    assertFileContent home-files/.config/nix-init/config.toml \
+      ${pkgs.writeText "settings-expected" ''
+        commit = true
+        maintainers = ["figsoda"]
+        nixpkgs = "<nixpkgs>"
+        [access-tokens]
+        "github.com" = "ghp_blahblahblah..."
+
+        [access-tokens."gitlab.com"]
+        command = ["secret-tool", "or", "whatever", "you", "use"]
+
+        [access-tokens."gitlab.gnome.org"]
+        file = "/path/to/api/token"
+      ''}
+  '';
+}

tests/modules/programs/nix-init/default.nix

@@ -0,0 +1,3 @@
+{
+  nix-init-basic-config = ./basic-config.nix;
+}