build: Publish brew formula

.github/workflows/publish.yaml

@@ -4,6 +4,8 @@ on:
   push:
     tags:
       - "v*.*.*"
+    branches:
+      - "publish-to-brew-tap"  #FIXME: REMOVE
   pull_request:
 
 jobs:
@@ -45,3 +47,55 @@ jobs:
 
       - name: Publish package distributions to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1
+
+  homebrew:
+    if: github.event_name == 'push' # && startsWith(github.ref, 'refs/tags/v')
+    runs-on: ubuntu-latest
+    environment: release
+    needs: build
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          repository: janw/homebrew-tap
+
+      - uses: actions/checkout@v4
+        with:
+          path: '_podcast-archiver'
+
+      - name: Import GPG key
+        uses: crazy-max/ghaction-import-gpg@v6
+        id: gpg-import
+        with:
+          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
+          passphrase: ${{ secrets.GPG_PASSPHRASE }}
+          git_user_signingkey: true
+          git_commit_gpgsign: true
+          fingerprint: 2B939A343491740FE1483E5C41E311388E4BB349
+
+      - name: List keys
+        run: gpg -K
+
+      - name: Install poetry + poetry-brew
+        run: |
+          pipx install 'poetry>=1.7.0'
+          pipx inject poetry poetry-homebrew-formula
+
+      - name: Update formula
+        shell: bash
+        run: |
+          poetry homebrew-formula -C _podcast-archiver/ \
+          --verbose \
+          --template _podcast-archiver/brew/template.rb.j2 \
+          --output ./Formula/podcast-archiver.rb
+
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v5
+        with:
+          add-paths: |
+            Formula/*
+          commit-message: "bump(podcast-archiver): ${{github.ref_name}}"
+          title: "bump(podcast-archiver): ${{github.ref_name}}"
+          body: ""
+          token: ${{ secrets.BOT_PERSONAL_ACCESS_TOKEN }}
+          push-to-fork: janw-bot/homebrew-tap
+          committer: Jan Willhaus [bot] <[email protected]>

brew/template.rb.j2

@@ -0,0 +1,25 @@
+class {{ formula_name }} < Formula
+  include Language::Python::Virtualenv
+
+  desc "{{ package.description }}"
+{% if package.homepage %}  homepage "{{ package.homepage }}"
+{% endif %}
+{% if package.license %}  license "{{ package.license }}"
+{% endif %}
+
+{{ PACKAGE_URL }}
+
+  depends_on "python3"
+  depends_on "rust" => :build
+
+{{ RESOURCES }}
+
+  def install
+    virtualenv_create(libexec, "python3")
+    virtualenv_install_with_resources
+  end
+
+  test do
+    false
+  end
+end