release-pr.yml

# Create a PR for a release when a commit is pushed on a release/v* branch

name: release-pr

on:
  push:
    branches:
    - release/v*

jobs:
  pull-request:
    runs-on: ubuntu-22.04
    steps:
      -
        name: Checkout
        uses: actions/checkout@v4
      -
        name: Get tag
        run: |
          TAG=${GITHUB_REF##*/v}
          if [[ "${TAG}" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
            DEST=$(echo ${TAG} | awk -F '[.]' '{print "release-"$1"."$2}')
          else
            DEST="main"
          fi
          echo "TAG=${TAG}" >> $GITHUB_ENV
          echo "DEST=${DEST}" >> $GITHUB_ENV
      -
        name: Pull Request
        id: open-pr
        uses: repo-sync/pull-request@v2.12
        with:
          destination_branch: ${{ env.DEST }}
          github_token: ${{ secrets.GITHUB_TOKEN }}
          pr_body: "Automated PR. Will trigger the ${{ env.TAG }} release when approved."
          pr_label: release
          pr_title: "Version tag to ${{ env.TAG }}"