chore: advance workstation workflow pilots

modules/capabilities/walker.nix

@@ -19,8 +19,28 @@ in
   };
 
   flake.modules.homeManager.walker =
-    { lib, pkgs, ... }:
+    {
+      config,
+      lib,
+      pkgs,
+      ...
+    }:
     let
+      homeDir = config.home.homeDirectory;
+      projectRoots =
+        map
+          (scope: {
+            inherit scope;
+            path = "${homeDir}/dev/${scope}";
+          })
+          [
+            "work"
+            "own"
+            "ext"
+            "forks"
+          ];
+      walkerDefaults = builtins.fromTOML (builtins.readFile "${inputs.walker}/resources/config.toml");
+
       launcher = pkgs.writeShellApplication {
         name = "walker-launcher";
         runtimeInputs = [ pkgs.libressl.nc ];
@@ -28,22 +48,88 @@ in
           exec nc -U "$XDG_RUNTIME_DIR/walker/walker.sock"
         '';
       };
+      openProject = pkgs.writeShellApplication {
+        name = "open-project";
+        text = ''
+          project_path="''${1:-}"
+          if [[ -z "$project_path" ]]; then
+            IFS= read -r project_path
+          fi
+
+          cd -- "$project_path"
+          exec ${lib.getExe config.programs.kitty.package} --detach --directory "$PWD" \
+            ${lib.getExe pkgs.zsh} -lic 'nvim; exec zsh -l'
+        '';
+      };
     in
     {
       imports = [ inputs.walker.homeManagerModules.default ];
 
       desktop.commands.launcher = [ (lib.getExe launcher) ];
+      home.packages = [ openProject ];
+
+      xdg.configFile."elephant/menus/projects.lua".text = ''
+        Name = "projects"
+        NamePretty = "Projects"
+        Description = "Git repositories"
+        Icon = "folder"
+        Action = "${lib.getExe openProject}"
+        SearchName = true
+        RefreshOnChange = {
+          ${lib.concatMapStringsSep "\n  " (root: ''"${root.path}",'') projectRoots}
+        }
+
+        local roots = {
+          ${lib.concatMapStringsSep "\n  " (
+            root: ''{ scope = "${root.scope}", path = "${root.path}" },''
+          ) projectRoots}
+        }
+
+        local function repositories(root)
+          return io.popen(
+            "${lib.getExe pkgs.findutils} " .. root ..
+            " -mindepth 1 \\( -type d \\( -name .archive -o -name .worktrees \\) -prune \\)" ..
+            " -o \\( -name .git -print \\) 2>/dev/null"
+          )
+        end
+
+        function GetEntries()
+          local entries = {}
+
+          for _, root in ipairs(roots) do
+            local handle = repositories(root.path)
+            if handle then
+              for git_path in handle:lines() do
+                local project = git_path:gsub("/%.git$", "")
+                local relative = project:sub(#root.path + 2)
+                table.insert(entries, {
+                  Text = project:match("([^/]+)$"),
+                  Subtext = root.scope .. " · " .. relative,
+                  Value = project,
+                  Keywords = { root.scope, relative, project },
+                })
+              end
+              handle:close()
+            end
+          end
+
+          return entries
+        end
+      '';
 
       programs.walker = {
         enable = true;
         runAsService = true;
 
-        config.providers.prefixes = [
-          {
-            provider = "bitwarden";
-            prefix = "?";
-          }
-        ];
+        config.providers = {
+          default = walkerDefaults.providers.default ++ [ "menus:projects" ];
+          prefixes = walkerDefaults.providers.prefixes ++ [
+            {
+              provider = "bitwarden";
+              prefix = "?";
+            }
+          ];
+        };
       };
     };
 }