create-release-pr.yml

name: Create Release Pull Request
description: Create a pull request to release a new version

on:
  workflow_dispatch:
    inputs:
      version:
        description: 'Version type'
        required: true
        type: choice
        options:
          - patch
          - minor
          - major

permissions:
  contents: write
  pull-requests: write

jobs:
  create-release-pr:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          persist-credentials: false
      
      - name: Configure Git
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
      
      - name: Setup Node.js
        uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238 # v6.2.0
        with:
          node-version: 'lts/*'
          check-latest: true
          package-manager-cache: false

      - uses: pnpm/action-setup@41ff72655975bd51cab0327fa583b6e92b6d3061 # v4.2.0
        with:
          run_install: |
            - recursive: true
              args: [--frozen-lockfile]
      
      # No need to install dependencies - npm version works without them
      - name: Version bump
        id: version
        run: |
          VERSION=$(pnpm version "$VERSION_TYPE" --no-git-tag-version)
          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
          pnpm --recursive exec pnpm pkg set version=$(node -p "JSON.parse(fs.readFileSync('package.json', 'utf8')).version")
          pnpm install --no-rozen-lockfile
        env:
          VERSION_TYPE: ${{ github.event.inputs.version }}

      - uses: actions/create-github-app-token@29824e69f54612133e76f7eaac726eef6c875baf # v2.2.1
        id: app-token
        with:
          app-id: ${{ vars.APP_ID }}
          private-key: ${{ secrets.PRIVATE_KEY }}

      - name: Get release notes
        id: release-notes
        run: |
          # Get the default branch
          DEFAULT_BRANCH=$(gh api "repos/$GITHUB_REPOSITORY" --jq '.default_branch')
          
          # Get the latest release tag using GitHub API
          # Use the exit code to determine if a release exists
          if LAST_TAG=$(gh api "repos/$GITHUB_REPOSITORY/releases/latest" --jq '.tag_name' 2>/dev/null); then
            echo "Previous release found: $LAST_TAG"
          else
            LAST_TAG=""
            echo "No previous releases found - this will be the first release"
          fi
          
          # Generate release notes - only include previous_tag_name if we have a valid previous tag
          echo "Generating release notes for tag: $VERSION"
          if [ -n "$LAST_TAG" ]; then
            echo "Using previous tag: $LAST_TAG"
            RELEASE_NOTES=$(gh api \
              --method POST \
              -H "Accept: application/vnd.github+json" \
              "/repos/$GITHUB_REPOSITORY/releases/generate-notes" \
              -f "tag_name=$VERSION" \
              -f "target_commitish=$DEFAULT_BRANCH" \
              -f "previous_tag_name=$LAST_TAG" \
              --jq '.body')
          else
            echo "Generating notes from all commits"
            RELEASE_NOTES=$(gh api \
              --method POST \
              -H "Accept: application/vnd.github+json" \
              "/repos/$GITHUB_REPOSITORY/releases/generate-notes" \
              -f "tag_name=$VERSION" \
              -f "target_commitish=$DEFAULT_BRANCH" \
              --jq '.body')
          fi
          
          # Set release notes as environment variable
          echo "RELEASE_NOTES<<EOF" >> "$GITHUB_OUTPUT"
          echo "$RELEASE_NOTES" >> "$GITHUB_OUTPUT"
          echo "EOF" >> "$GITHUB_OUTPUT"
        env:
          GH_TOKEN: ${{ github.token }}
          VERSION: ${{ steps.version.outputs.version }}
          GITHUB_REPOSITORY: ${{ github.repository }}

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@c0f553fe549906ede9cf27b5156039d195d2ece0 # v8.1.0
        env:
          RELEASE_NOTES: ${{ steps.release-notes.outputs.RELEASE_NOTES }}
          VERSION: ${{ steps.version.outputs.version }}
        with:
          branch: release/${{ steps.version.outputs.version }}
          delete-branch: true
          title: "Release ${{ steps.version.outputs.version }}"
          body: |
            ${{ env.RELEASE_NOTES }}
          commit-message: "chore: release ${{ steps.version.outputs.version }}"
          labels: |
            Type: Release
          assignees: ${{ github.actor }}
          token: ${{ steps.app-token.outputs.token }}
          draft: true