release-branch-sync.yml

name: Release Branch Sync

permissions:
  pull-requests: write
  contents: write

on:
  pull_request:
    types: [closed]
    branches:
      - stable

jobs:
  validate-branch:
    name: Validate release branch format
    runs-on: ubuntu-latest
    if: github.event.pull_request.merged == true
    outputs:
      is-valid: ${{ steps.check.outputs.is-valid }}
    steps:
      - name: Check branch name format
        id: check
        env:
          BRANCH: ${{ github.event.pull_request.head.ref }}
        run: |
          if [[ "$BRANCH" =~ ^release/[0-9]+\.[0-9]+\.[0-9]+ ]]; then
            echo "Branch '$BRANCH' starts with release/X.Y.Z"
            echo "is-valid=true" >> "$GITHUB_OUTPUT"
          else
            echo "Branch '$BRANCH' does not start with release/X.Y.Z. Skipping."
            echo "is-valid=false" >> "$GITHUB_OUTPUT"
          fi

  sync-release-branches:
    name: Sync open release branches with stable
    needs: validate-branch
    if: needs.validate-branch.outputs.is-valid == 'true'
    runs-on: ubuntu-latest
    steps:
      - name: Sync release branches with stable
        uses: metamask/github-tools/.github/actions/release-branch-sync@v1
        with:
          merged-release-branch: ${{ github.event.pull_request.head.ref }}
          github-token: ${{ secrets.STABLE_SYNC_TOKEN }}