git-worktree-switcher: init module

modules/misc/news.nix

@@ -2034,7 +2034,17 @@ in {
           - programs.zellij.enableZshIntegration
         '';
       }
+
+      {
+        time = "2025-02-11T15:25:26+00:00";
+        message = ''
+          A new module is available: 'programs.git-worktree-switcher'.
+
+          git-worktree-switcher allows you to quickly switch git worktrees.
+          It includes shell completions for Bash, Fish and Zsh.
+          See https://github.com/mateusauler/git-worktree-switcher for more.
+        '';
+      }
     ];
   };
 }
-

modules/modules.nix

@@ -110,6 +110,7 @@ let
     ./programs/ghostty.nix
     ./programs/git-cliff.nix
     ./programs/git-credential-oauth.nix
+    ./programs/git-worktree-switcher.nix
     ./programs/git.nix
     ./programs/gitui.nix
     ./programs/gnome-shell.nix

modules/programs/git-worktree-switcher.nix

@@ -0,0 +1,52 @@
+{ pkgs, config, lib, ... }:
+
+let
+  inherit (lib) mkEnableOption mkOption mkPackageOption optionalString;
+
+  cfg = config.programs.git-worktree-switcher;
+
+  initScript = shell:
+    if (shell == "fish") then ''
+      ${lib.getExe pkgs.git-worktree-switcher} init ${shell} | source
+    '' else ''
+      eval "$(${lib.getExe pkgs.git-worktree-switcher} init ${shell})"
+    '';
+in {
+  meta.maintainers = with lib.maintainers; [ jiriks74 mateusauler ];
+
+  options.programs.git-worktree-switcher = {
+    enable = mkEnableOption "git-worktree-switcher";
+    package = mkPackageOption pkgs "git-worktree-switcher" { };
+    enableBashIntegration = mkOption {
+      type = lib.types.bool;
+      default = true;
+      description = ''
+        Whether to enable git-worktree-switcher's Bash integration.
+      '';
+    };
+    enableFishIntegration = mkOption {
+      type = lib.types.bool;
+      default = config.programs.fish.enable;
+      description = ''
+        Whether to enable git-worktree-switcher's Fish integration.
+      '';
+    };
+    enableZshIntegration = mkOption {
+      type = lib.types.bool;
+      default = config.programs.zsh.enable;
+      description = ''
+        Whether to enable git-worktree-switcher's Zsh integration.
+      '';
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    home.packages = [ cfg.package ];
+    programs.bash.initExtra =
+      optionalString cfg.enableBashIntegration (initScript "bash");
+    programs.fish.interactiveShellInit =
+      optionalString cfg.enableFishIntegration (initScript "fish");
+    programs.zsh.initExtra =
+      optionalString cfg.enableZshIntegration (initScript "zsh");
+  };
+}

tests/default.nix

@@ -157,6 +157,7 @@ in import nmtSrc {
     ./modules/programs/git
     ./modules/programs/git-cliff
     ./modules/programs/git-credential-oauth
+    ./modules/programs/git-worktree-switcher
     ./modules/programs/go
     ./modules/programs/gpg
     ./modules/programs/gradle

tests/modules/programs/git-worktree-switcher/bash.nix

@@ -0,0 +1,17 @@
+{ ... }:
+
+{
+  programs = {
+    bash.enable = true;
+    git-worktree-switcher.enable = true;
+  };
+
+  test.stubs.git-worktree-switcher = { name = "git-worktree-switcher"; };
+
+  nmt.script = ''
+    assertFileExists home-files/.bashrc
+    assertFileContains \
+      home-files/.bashrc \
+      'eval "$(@git-worktree-switcher@/bin/git-worktree-switcher init bash)"'
+  '';
+}

tests/modules/programs/git-worktree-switcher/default.nix

@@ -0,0 +1,5 @@
+{
+  git-worktree-switcher-bash = ./bash.nix;
+  git-worktree-switcher-fish = ./fish.nix;
+  git-worktree-switcher-zsh = ./zsh.nix;
+}

tests/modules/programs/git-worktree-switcher/fish.nix

@@ -0,0 +1,17 @@
+{ ... }:
+
+{
+  programs = {
+    fish.enable = true;
+    git-worktree-switcher.enable = true;
+  };
+
+  test.stubs.git-worktree-switcher = { name = "git-worktree-switcher"; };
+
+  nmt.script = ''
+    assertFileExists home-files/.config/fish/config.fish
+    assertFileContains \
+      home-files/.config/fish/config.fish \
+      '@git-worktree-switcher@/bin/git-worktree-switcher init fish | source'
+  '';
+}

tests/modules/programs/git-worktree-switcher/zsh.nix

@@ -0,0 +1,17 @@
+{ ... }:
+
+{
+  programs = {
+    zsh.enable = true;
+    git-worktree-switcher.enable = true;
+  };
+
+  test.stubs.git-worktree-switcher = { name = "git-worktree-switcher"; };
+
+  nmt.script = ''
+    assertFileExists home-files/.zshrc
+    assertFileContains \
+      home-files/.zshrc \
+      'eval "$(@git-worktree-switcher@/bin/git-worktree-switcher init zsh)"'
+  '';
+}