rbenv: add module

.github/CODEOWNERS

@@ -276,6 +276,8 @@ Makefile                                              @thiagokokada
 
 /modules/programs/pylint.nix                          @florpe
 
+/modules/programs/rbenv.nix                           @marsam
+
 /modules/programs/rbw.nix                             @ambroisie
 /tests/modules/programs/rbw                           @ambroisie
 

modules/misc/news.nix

@@ -900,6 +900,13 @@ in
           A new module is available: 'programs.wlogout'.
         '';
       }
+
+      {
+        time = "2023-01-31T22:08:41+00:00";
+        message = ''
+          A new module is available: 'programs.rbenv'.
+        '';
+      }
     ];
   };
 }

modules/modules.nix

@@ -189,6 +189,7 @@ let
     ./programs/vscode.nix
     ./programs/vscode/haskell.nix
     ./programs/pywal.nix
+    ./programs/rbenv.nix
     ./programs/watson.nix
     ./programs/waybar.nix
     ./programs/wezterm.nix

modules/programs/rbenv.nix

@@ -0,0 +1,93 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.programs.rbenv;
+
+  pluginModule = types.submodule {
+    options = {
+      src = mkOption {
+        type = types.path;
+        description = ''
+          Path to the plugin folder.
+        '';
+      };
+      name = mkOption {
+        type = types.str;
+        description = ''
+          Name of the plugin.
+        '';
+      };
+    };
+  };
+
+in {
+  meta.maintainers = [ maintainers.marsam ];
+
+  options.programs.rbenv = {
+    enable = mkEnableOption "rbenv";
+
+    package = mkPackageOption pkgs "rbenv" { };
+
+    plugins = mkOption {
+      type = types.listOf pluginModule;
+      default = [ ];
+      example = literalExpression ''
+        [
+          {
+            name = "ruby-build";
+            src = pkgs.fetchFromGitHub {
+              owner = "rbenv";
+              repo = "ruby-build";
+              rev = "v20221225";
+              hash = "sha256-Kuq0Z1kh2mvq7rHEgwVG9XwzR5ZUtU/h8SQ7W4/mBU0=";
+            };
+          }
+        ]
+      '';
+      description = ''
+        rbenv plugins to install in <filename>$HOME/.rbenv/plugins/</filename>.
+        </para><para>
+        See <link xlink:href="https://github.com/rbenv/rbenv/wiki/Plugins" />
+        for the full list of plugins.
+      '';
+    };
+
+    enableBashIntegration = mkEnableOption "Bash integration" // {
+      default = true;
+    };
+
+    enableZshIntegration = mkEnableOption "Zsh integration" // {
+      default = true;
+    };
+
+    enableFishIntegration = mkEnableOption "Fish integration" // {
+      default = true;
+    };
+  };
+
+  config = mkIf cfg.enable {
+    home.packages = [ cfg.package ];
+
+    home.file.".rbenv/plugins" = mkIf (cfg.plugins != [ ]) {
+      source = pkgs.linkFarm "rbenv-plugins" (builtins.map (p: {
+        name = p.name;
+        path = p.src;
+      }) cfg.plugins);
+    };
+
+    programs.bash.initExtra = mkIf cfg.enableBashIntegration ''
+      eval "$(${cfg.package}/bin/rbenv init - bash)"
+    '';
+
+    programs.zsh.initExtra = mkIf cfg.enableZshIntegration ''
+      eval "$(${cfg.package}/bin/rbenv init - zsh)"
+    '';
+
+    programs.fish.shellInit = mkIf cfg.enableFishIntegration ''
+      ${cfg.package}/bin/rbenv init - fish | source
+    '';
+  };
+}