refactor: move formula to template file (#9)

Co-authored-by: Claude Code (User Settings, in: ${CLAUDE_PROJECT_DIR}) <noreply@anthropic.com>

Author: nsheaps

.github/workflows/release.yaml

@@ -84,37 +84,17 @@ jobs:
         run: |
           gh repo clone nsheaps/homebrew-devsetup homebrew-devsetup
 
-      - name: Update formula
+      - name: Install gomplate
         run: |
-          cd homebrew-devsetup
-          cat > Formula/git-wt.rb << FORMULA_EOF
-          # typed: false
-          # frozen_string_literal: true
-
-          class GitWt < Formula
-            desc 'Interactive TUI for git worktree management'
-            homepage 'https://github.com/nsheaps/git-wt'
-            url 'https://github.com/nsheaps/git-wt/archive/refs/tags/${{ steps.release.outputs.tag }}.tar.gz'
-            sha256 '${{ steps.release.outputs.sha256 }}'
-            license 'MIT'
-
-            head do
-              url 'https://github.com/nsheaps/git-wt.git', branch: 'main'
-            end
-
-            depends_on 'gum'
-
-            def install
-              bin.install 'bin/git-wt'
-            end
-
-            test do
-              assert_match 'git-wt', shell_output("#{bin}/git-wt --help")
-            end
-          end
-          FORMULA_EOF
-          # Remove leading whitespace from heredoc
-          sed -i 's/^          //' Formula/git-wt.rb
+          curl -fsSL https://github.com/hairyhenderson/gomplate/releases/latest/download/gomplate_linux-amd64 -o /usr/local/bin/gomplate
+          chmod +x /usr/local/bin/gomplate
+
+      - name: Generate formula from template
+        env:
+          Tag: ${{ steps.release.outputs.tag }}
+          SHA256: ${{ steps.release.outputs.sha256 }}
+        run: |
+          gomplate -f Formula/git-wt.rb.gotmpl -o homebrew-devsetup/Formula/git-wt.rb
 
       - name: Create PR to update formula with auto-merge
         env:

.github/workflows/test.yaml

@@ -21,6 +21,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
 
       - name: Setup mise
         uses: jdx/mise-action@v2

.rubocop.yml

@@ -0,0 +1,14 @@
+---
+AllCops:
+  NewCops: enable
+Metrics/BlockLength:
+  Enabled: false
+Layout/LineLength:
+  AllowedPatterns:
+    - "# renovate: .*"
+Naming/FileName:
+  Enabled: false
+Style/FrozenStringLiteralComment:
+  Enabled: false
+Style/Documentation:
+  Enabled: false

Formula/git-wt.rb.gotmpl

@@ -0,0 +1,24 @@
+# typed: false
+# frozen_string_literal: true
+
+class GitWt < Formula
+  desc 'Interactive TUI for git worktree management'
+  homepage 'https://github.com/nsheaps/git-wt'
+  url 'https://github.com/nsheaps/git-wt/archive/refs/tags/{{ .Env.Tag }}.tar.gz'
+  sha256 '{{ .Env.SHA256 }}'
+  license 'MIT'
+
+  head do
+    url 'https://github.com/nsheaps/git-wt.git', branch: 'main'
+  end
+
+  depends_on 'gum'
+
+  def install
+    bin.install 'bin/git-wt'
+  end
+
+  test do
+    assert_match 'git-wt', shell_output("#{bin}/git-wt --help")
+  end
+end