merge-release-branch.yml

name: Merge release branch into main

on:
  workflow_call:
    inputs:
      version:
        type: string
        description: The release branch version to merge into main
        required: true
      repo:
        type: string
        description: The repository to create the PR (org/repo format)
        required: true

  workflow_dispatch:
    inputs:
      version:
        type: string
        description: The release branch version to merge into main
        required: true
      repo:
        type: string
        description: The repository to create the PR (org/repo format)
        required: true

defaults:
  run:
    shell: bash

jobs:
  merge-release-branch:
    name: Submit PR to merge release branch into main
    runs-on: ubuntu-latest
    steps:
      - name: Create PR
        id: cpr
        run: |
          pr_url=$(gh pr create \
          --title "chore: Merge release/${{ inputs.version }} into main" \
          --body "Open new development line" \
          --head release/${{ inputs.version }} \
          --base main \
          --label internal \
          -R ${{ inputs.repo }} \
          )
          echo "pull-request-operation=created" >> $GITHUB_OUTPUT
          pr_number="${pr_url##*/pull/}"
          echo "pull-request-number=$pr_number" >> $GITHUB_OUTPUT
        env:
          GH_TOKEN: ${{ secrets.BOT_TOKEN_WORKFLOW }}

      - name: Enable auto merge for the pull request
        if: ${{ steps.cpr.outputs.pull-request-operation == 'created' }}
        run: >
          gh pr merge "${{ steps.cpr.outputs.pull-request-number }}"
          --subject "chore: Merge release/${{ inputs.version }} into main (#${{ steps.cpr.outputs.pull-request-number }})"
          --repo "${{ inputs.repo }}"
          --auto
        env:
          GH_TOKEN: ${{ secrets.BOT_TOKEN_WORKFLOW }}

      - name: Add the PR as annotation to workflow run
        if: ${{ steps.cpr.outputs.pull-request-operation == 'created' }}
        run: >
          echo "::notice:: Created PR: https://github.com/${{ inputs.repo }}/pull/${{ steps.cpr.outputs.pull-request-number }}"