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Sync Release with Upstream #19268
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| name: Sync Release with Upstream | |
| on: | |
| schedule: | |
| # Runs every 5 minutes | |
| - cron: '*/5 * * * *' | |
| # Allows you to manually trigger the workflow from the Actions tab | |
| workflow_dispatch: | |
| jobs: | |
| sync: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout the forked repository | |
| uses: actions/checkout@v3 | |
| with: | |
| token: ${{ secrets.GITHUB_TOKEN }} | |
| persist-credentials: false # We disable this because we will be using a different token | |
| - name: Check for UPSTREAM_URL and UPSTREAM_SYNC_BRANCH_NAME in environment | |
| id: check_variables | |
| run: | | |
| if [ -z "${{ vars.UPSTREAM_URL }}" ]; then | |
| echo "UPSTREAM_URL environment variable does not exist." | |
| echo "HAS_UPSTREAM=false" >> $GITHUB_ENV | |
| else | |
| echo "UPSTREAM_URL environment variable found." | |
| echo "HAS_UPSTREAM=true" >> $GITHUB_ENV | |
| echo "UPSTREAM_URL=${{ vars.UPSTREAM_URL }}" >> $GITHUB_ENV | |
| fi | |
| if [ -z "${{ vars.UPSTREAM_SYNC_BRANCH_NAME }}" ]; then | |
| echo "UPSTREAM_SYNC_BRANCH_NAME environment variable does not exist." | |
| echo "HAS_SYNC_BRANCH=false" >> $GITHUB_ENV | |
| else | |
| echo "UPSTREAM_SYNC_BRANCH_NAME environment variable found." | |
| echo "HAS_SYNC_BRANCH=true" >> $GITHUB_ENV | |
| echo "UPSTREAM_SYNC_BRANCH_NAME=${{ vars.UPSTREAM_SYNC_BRANCH_NAME }}" >> $GITHUB_ENV | |
| fi | |
| - name: Configure git for GitHub Actions | |
| if: env.HAS_UPSTREAM == 'true' && env.HAS_SYNC_BRANCH == 'true' | |
| run: | | |
| git config user.name "github-actions[bot]" | |
| git config user.email "github-actions[bot]@users.noreply.github.com" | |
| - name: Add the upstream repository | |
| if: env.HAS_UPSTREAM == 'true' && env.HAS_SYNC_BRANCH == 'true' | |
| run: git remote add upstream ${{ env.UPSTREAM_URL }} | |
| - name: Check for differences between local and upstream branch, excluding .github/workflows | |
| if: env.HAS_UPSTREAM == 'true' && env.HAS_SYNC_BRANCH == 'true' | |
| run: | | |
| git fetch upstream | |
| git fetch origin | |
| # Check if the branch exists on the remote | |
| if git show-ref --verify --quiet refs/remotes/origin/${{ env.UPSTREAM_SYNC_BRANCH_NAME }}; then | |
| echo "Branch ${{ env.UPSTREAM_SYNC_BRANCH_NAME }} exists on remote." | |
| # Compare origin branch with upstream, excluding .github/workflows | |
| git diff --quiet origin/${{ env.UPSTREAM_SYNC_BRANCH_NAME }} upstream/main -- . ':(exclude).github/workflows' || echo "CHANGES_DETECTED=true" >> $GITHUB_ENV | |
| else | |
| echo "Branch ${{ env.UPSTREAM_SYNC_BRANCH_NAME }} does not exist on remote." | |
| # Compare upstream/main with itself to force no changes | |
| git diff --quiet upstream/main upstream/main -- . ':(exclude).github/workflows' || echo "CHANGES_DETECTED=false" >> $GITHUB_ENV | |
| fi | |
| - name: Fetch all branches from the upstream repository | |
| if: env.HAS_UPSTREAM == 'true' && env.HAS_SYNC_BRANCH == 'true' && env.CHANGES_DETECTED == 'true' | |
| run: git fetch upstream | |
| - name: Set up authentication | |
| if: env.HAS_UPSTREAM == 'true' && env.HAS_SYNC_BRANCH == 'true' && env.CHANGES_DETECTED == 'true' | |
| run: | | |
| git remote set-url origin https://${{ github.actor }}:${{ secrets.GITHUB_TOKEN }}@github.com/${{ github.repository }} | |
| env: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| GITHUB_ACTOR: ${{ github.actor }} | |
| - name: Merge upstream/main into forked repo branch | |
| if: env.HAS_UPSTREAM == 'true' && env.HAS_SYNC_BRANCH == 'true' && env.CHANGES_DETECTED == 'true' | |
| run: | | |
| git checkout -B ${{ env.UPSTREAM_SYNC_BRANCH_NAME }} upstream/main | |
| # GitHub Actions worker doesn't have the correct permissions to checked in | |
| # modified workflow files. To workaround this, we'll remove all files in | |
| # .github/workflows that doesn't exist on the remote | |
| # Remove files not on the remote | |
| rm -rf .github/workflows | |
| # Check if the deploy branch exists on the remote | |
| if git ls-remote --exit-code --heads origin ${{ env.UPSTREAM_SYNC_BRANCH_NAME }}; then | |
| # Mirror remote workflows if they exist | |
| if git ls-tree --name-only -r origin/${{ env.UPSTREAM_SYNC_BRANCH_NAME }}:.github/workflows &> /dev/null; then | |
| git checkout origin/${{ env.UPSTREAM_SYNC_BRANCH_NAME }} .github/workflows | |
| fi | |
| fi | |
| git commit -am "Prepare branch for deploy" | |
| git push -f origin ${{ env.UPSTREAM_SYNC_BRANCH_NAME }} | |
| env: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| GITHUB_ACTOR: ${{ github.actor }} |