Add netty worktree helpers

Add netty-specific worktree helper commands and a zsh wrapper that creates sibling worktrees and cds into them.

Also split script packaging so Darwin keeps the existing wt integration while netty gets git-worktree-based helpers.

Co-authored-by: Codex <noreply@openai.com>

home/netty-worktree.nix

@@ -0,0 +1,23 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  customScripts = import ../scripts {inherit config lib pkgs;};
+in {
+  home.packages = builtins.attrValues customScripts.nettyPackages;
+
+  programs.zsh.initContent = lib.mkAfter ''
+    wtc() {
+      if [[ $# -ne 1 ]]; then
+        printf 'usage: wtc <worktree-name>\n' >&2
+        return 1
+      fi
+
+      local worktree_path
+      worktree_path=$(command wt-create "$1") || return
+      cd -- "$worktree_path" || return
+    }
+  '';
+}

home/netty.nix

@@ -1,6 +1,6 @@
-{ ... }:
+{...}: {
-{
   imports = [
     ./common.nix
+    ./netty-worktree.nix
   ];
 }

home/scripts.nix

@@ -3,12 +3,12 @@
   lib,
   pkgs,
   ...
-}:
+}: let
-let
   customScripts = import ../scripts {inherit config lib pkgs;};
-in
+in {
-{
+  home.packages =
-  home.packages = builtins.attrValues customScripts.packages;
+    builtins.attrValues customScripts.commonPackages
+    ++ lib.optionals pkgs.stdenv.isDarwin (builtins.attrValues customScripts.darwinPackages);
 
   home.activation.initializeThemeState = lib.hm.dag.entryAfter ["writeBoundary"] ''
     mkdir -p "${customScripts.theme.paths.stateDir}" "${customScripts.theme.paths.fzfDir}" "${customScripts.theme.paths.ghosttyDir}" "${customScripts.theme.paths.tmuxDir}"

home/zsh.nix

@@ -3,8 +3,7 @@
   lib,
   pkgs,
   ...
-}:
+}: {
-{
   home.file.".oh-my-zsh/custom/themes/agnoster.zsh-theme".source = ../config/agnoster.zsh-theme;
 
   home.activation.ensureOhMyZshCache = lib.hm.dag.entryAfter ["writeBoundary"] ''
@@ -22,7 +21,8 @@
     autosuggestion.enable = true;
     syntaxHighlighting.enable = true;
 
-    shellAliases = {
+    shellAliases =
+      {
         co = "codex --dangerously-bypass-approvals-and-sandbox";
         ca = "cursor-agent";
         cc = "claude";
@@ -42,7 +42,8 @@
         tailscale = "/Applications/Tailscale.app/Contents/MacOS/Tailscale";
       };
 
-    envExtra = ''
+    envExtra =
+      ''
         if [[ -f "$HOME/.cargo/env" ]]; then
           . "$HOME/.cargo/env"
         fi
@@ -86,7 +87,9 @@
 
         export BUN_INSTALL="$HOME/.bun"
         export PNPM_HOME="${
-          if pkgs.stdenv.isDarwin then "$HOME/Library/pnpm" else "${config.xdg.dataHome}/pnpm"
+          if pkgs.stdenv.isDarwin
+          then "$HOME/Library/pnpm"
+          else "${config.xdg.dataHome}/pnpm"
         }"
         bindkey -v
         typeset -U path PATH
@@ -249,6 +252,7 @@
 
         _codex_apply_highlight_styles
 
+        ${lib.optionalString pkgs.stdenv.isDarwin ''
           if command -v wt >/dev/null 2>&1; then
             eval "$(command wt config shell init zsh)"
 
@@ -258,6 +262,7 @@
               wt switch --create --base @ "$@"
             }
           fi
+        ''}
       '')
 
       (lib.mkAfter ''

scripts/default.nix

@@ -2,8 +2,7 @@
   config,
   lib,
   pkgs,
-}:
+}: let
-let
   theme = import ../lib/theme.nix {inherit config;};
 
   tmuxConfigs = {
@@ -11,8 +10,7 @@ let
     light = pkgs.writeText "tmux-theme-light.conf" (theme.renderTmux "light");
   };
 
-  mkScript =
+  mkScript = {
-    {
     file,
     name,
     runtimeInputs ? [],
@@ -25,7 +23,7 @@ let
       );
     };
 
-  packages = {
+  commonPackages = {
     ga = mkScript {
       name = "ga";
       file = ./ga.sh;
@@ -104,13 +102,30 @@ let
         "@TMUX_CONFIG@" = "${config.xdg.configHome}/tmux/tmux.conf";
       };
     };
+  };
 
+  darwinPackages = {
     wtc = mkScript {
       name = "wtc";
       file = ./wtc.sh;
     };
   };
-in
+
-{
+  nettyPackages = {
-  inherit packages theme tmuxConfigs;
+    wt-create = mkScript {
+      name = "wt-create";
+      file = ./wt-create.sh;
+      runtimeInputs = with pkgs; [coreutils git gnused];
+    };
+
+    wt-path = mkScript {
+      name = "wt-path";
+      file = ./wt-path.sh;
+      runtimeInputs = with pkgs; [coreutils git gnused];
+    };
+  };
+in {
+  inherit commonPackages darwinPackages nettyPackages theme tmuxConfigs;
+
+  packages = commonPackages;
 }

scripts/wt-create.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+if [[ $# -ne 1 ]]; then
+  printf 'usage: wt-create <worktree-name>\n' >&2
+  exit 1
+fi
+
+branch_name=$1
+repo_root=$(git rev-parse --show-toplevel 2>/dev/null) || {
+  printf 'wt-create: not inside a git repository\n' >&2
+  exit 1
+}
+
+target_path=$(wt-path "$branch_name")
+
+if [[ -e "$target_path" ]]; then
+  printf 'wt-create: path already exists: %s\n' "$target_path" >&2
+  exit 1
+fi
+
+if git -C "$repo_root" show-ref --verify --quiet "refs/heads/$branch_name"; then
+  git -C "$repo_root" worktree add -- "$target_path" "$branch_name" 1>&2
+else
+  git -C "$repo_root" worktree add -b "$branch_name" -- "$target_path" HEAD 1>&2
+fi
+
+printf '%s\n' "$target_path"

scripts/wt-path.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+if [[ $# -ne 1 ]]; then
+  printf 'usage: wt-path <worktree-name>\n' >&2
+  exit 1
+fi
+
+repo_root=$(git rev-parse --show-toplevel 2>/dev/null) || {
+  printf 'wt-path: not inside a git repository\n' >&2
+  exit 1
+}
+
+worktree_name=$1
+clean_name=$(printf '%s' "$worktree_name" | sed -E 's#[^[:alnum:]._-]+#-#g; s#-+#-#g; s#(^[.-]+|[.-]+$)##g')
+
+if [[ -z "$clean_name" ]]; then
+  printf 'wt-path: %s does not produce a usable path name\n' "$worktree_name" >&2
+  exit 1
+fi
+
+repo_parent=$(dirname "$repo_root")
+repo_name=$(basename "$repo_root")
+
+printf '%s/%s-%s\n' "$repo_parent" "$repo_name" "$clean_name"