create-release-pr.yml

# Default based by dev branch
name: Create release PR and generate changelog

on:
  workflow_dispatch:
    inputs:
      from-tag:
        description: ''
        required: false

jobs:
  release-pr:
    name: Create release PR with changelog
    runs-on: ubuntu-22.04
    env:
      GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
      
    permissions:
      contents: read
      pull-requests: read

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          show-progress: false
          fetch-depth: 0
      
      - name: Computed envs
        run: |
          echo "DATE=$(date +'%d.%m.%Y')" >> $GITHUB_ENV
          echo "FROM_TAG=$(git merge-base --fork-point origin/master)" >> $GITHUB_ENV
          echo "FILE=${{ github.workspace }}/changelog_artifacts.md" >> $GITHUB_ENV
      
      - name: Build Changelog
        id: github_release
        uses: mikepenz/release-changelog-builder-action@v4.1.0
        with:
          fromTag: ${{ github.event.inputs.from-tag || env.FROM_TAG }}
          configuration: "./.github/changelog-builder-config.json"
          
      - name: List pull request
        # List merged pull request into dev branch
        run: echo "pull_requests --> ${{ steps.github_release.outputs.pull_requests }}"
      
      - name: Create "changelog_artifacts.md"
        # Write multiple lines input stream
        run: |
          cat > ${{ env.FILE }} <<'EOF'
          ${{ steps.github_release.outputs.changelog }}
        
      - name: Upload "changelog_artifacts.md"
        uses: actions/upload-artifact@master
        with:
          name: release-changelog-artifacts
          path: ${{ env.FILE }}
      
      - name: Create release PR
        run: |
          changelog='${{ steps.github_release.outputs.changelog }}'
          gh pr create --base master --head ${{ github.ref_name }} --title "Release by ${{ env.DATE }}" --body "# Release Notes
          $changelog"