tag-release-on-pr-merge.yml

name: Tag and Release on PR Merge
on:
  pull_request:
    types: [closed]
#    branches: 
#     - 'release/*'
jobs:
  tag-and-release:
    runs-on: ubuntu-latest
    if: github.event.pull_request.merged == true
    steps:
      - name: Get Release Branch Name
        id: get_release_branch_name
        run: echo "branch_name=${{ github.head_ref }}" >> $GITHUB_OUTPUT

      - name: Echo Release Branch Name
        id: echo_release_branch_name
        run: echo '${{ steps.get_release_branch_name.outputs.branch_name }}'
      
      - name: Get Merge sha
        id: get_merge_sha
        run: echo "merge_sha=${{ github.sha }}" >> $GITHUB_OUTPUT
        
      - name: Echo Merge sha
        id: echo_merge_sha
        run: echo '${{ steps.get_merge_sha.outputs.merge_sha }}' 
        
      - name: Create Tag Variable
        id: create_tag_variable
        if: contains(steps.get_release_branch_name.outputs.branch_name, 'release/')
        run: |
          BRANCH=${{ steps.get_release_branch_name.outputs.branch_name }}
          TAG="$(sed 's/release\///g' <<< $BRANCH)"
          echo "tag=$TAG" >> $GITHUB_OUTPUT
        
      - name: Echo Tag Name
        id: echo_tag_name
        run: echo "${{ steps.create_tag_variable.outputs.tag }}"
      
      - uses: actions/checkout@v2
      
      - name: Get Release Notes
        id: get_release_notes
        # Get changelog, then filter version header, MOB ticket #, and pull request links.
        run: |
          NOTES="$(sed -e "/^#### Version ${{ steps.create_tag_variable.outputs.tag }}/,/^#### /! d" -e "/^#### .*/d" -e 's/(\[.*].*//' -e 's/\*\*.*:\*\*//' CHANGELOG.md)"
          echo "notes<<EOF" >> $GITHUB_OUTPUT
          echo "$NOTES" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT
      
      - name: Echo Release Notes
        id: echo_release_notes
        run: echo "${{ steps.get_release_notes.outputs.notes }}"
      
      - name: Tag Release
        id: tag_release
        uses: tvdias/github-tagger@v0.0.2
        with:
          repo-token: "${{ secrets.GITHUB_TOKEN }}"
          tag: "${{ steps.create_tag_variable.outputs.tag }}"
          commit-sha: "${{ steps.get_merge_sha.outputs.merge_sha }}"
               
      - name: Create Release
        id: create_release
        uses: softprops/action-gh-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # This token is provided by Actions, you do not need to create your own token
        with:
          tag_name: ${{ steps.create_tag_variable.outputs.tag }}
          name: ${{ steps.create_tag_variable.outputs.tag }}
          body: ${{ steps.get_release_notes.outputs.notes }}
          draft: false
          prerelease: false