release-fix.yml

##
# Workflow: release-fix auto PR
# Purpose: When a `release-fix/*` branch is created, automatically
#          open a pull request targeting the corresponding `release/<version>` branch.
# Maintainer: Android Team - Release Engineering
# Docs: See repository CONTRIBUTING.md for release process guidance
##
name: Auto PR to merge release-fix branches into release

permissions:
  contents: read
  pull-requests: write

on:
  create:

jobs:
  create-pr:
    if: >
      github.event.ref_type == 'branch' &&
      startsWith(github.event.ref, 'release-fix/') &&
      vars.ENABLE_RELEASE_AUTOMATION == 'true'
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Compute target release version
        id: compute_version
        run: |
          BRANCH_NAME="${{ github.event.ref }}"
          if [[ "$BRANCH_NAME" =~ ^release-fix/(.+)$ ]]; then
            VERSION="${BASH_REMATCH[1]}"
            echo "version=$VERSION" >> $GITHUB_OUTPUT
            echo "Computed version: $VERSION"
          else
            echo "Failed to compute version from branch: $BRANCH_NAME"
            exit 1
          fi

      - name: Create Pull Request
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          gh pr create \
            --base "release/${{ steps.compute_version.outputs.version }}" \
            --head "${{ github.event.ref }}" \
            --title "Auto PR: ${{ github.event.ref }} → release/${{ steps.compute_version.outputs.version }}" \
            --body "This is an automated pull request created to integrate release changes into release/${{ steps.compute_version.outputs.version }}. Triggered when the branch ${{ github.event.ref }} was published."