pre-release.yml

name: Generate changelog before release.yml

on:
  pull_request:
    types: 
      - opened

env:
  PJ_NAME: tempura

jobs:
  changelog:
    name: Generate and commit changelog for ${{ github.head_ref }}
    runs-on: ubuntu-latest
    if:  startsWith(github.head_ref, 'release/')
    outputs:
      changelog: ${{ steps.changelog.outputs.changes }}
    steps:
      - name: Setup | Checkout Code
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Parse version
        run: |
          ref=${{ github.head_ref }}
          version=${ref#release/}
          echo $version
          echo "Version=$version" >> $GITHUB_ENV
      
      - name: Setup | Go
        uses: actions/setup-go@v3
      
      - name: Setup | Install git-chglog
        run: go install github.com/git-chglog/git-chglog/cmd/git-chglog@latest
      
      - name: Generate changelog
        run: |
          /home/runner/go/bin/git-chglog --next-tag ${{ env.Version }} ${{ env.Version }}| tee RELEASE_NOTE.md
          /home/runner/go/bin/git-chglog --next-tag ${{ env.Version }} ..${{ env.Version }} | tee CHANGELOG.md
      
      - name: Commit CHANGELOG.md
        uses: stefanzweifel/git-auto-commit-action@v5
        with:
          branch: master
          commit_message: 'doc: update CHANGELOG.md for ${{ env.Version }} [skip ci]'
          file_pattern: CHANGELOG.md

      - name: Post comments
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          URL: ${{ github.event.pull_request.html_url }}
        run:
          gh pr comment -F RELEASE_NOTE.md "${URL}"
          
      - name: Upload CHANGELOG-${{ env.Version }}.md
        uses: actions/upload-artifact@v3
        with:
          name: release-note
          path: RELEASE_NOTE.md
          
      - name: Upload CHANGELOG.md
        uses: actions/upload-artifact@v3
        with:
          name: changelog-all
          path: CHANGELOG.md