Upstream Sync #7
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| name: Upstream Sync | |
| on: | |
| schedule: | |
| - cron: '0 0 1 * *' | |
| workflow_dispatch: | |
| jobs: | |
| sync-upstream: | |
| runs-on: ubuntu-latest | |
| env: | |
| UPSTREAM: "https://github.com/bitcoin-core/secp256k1.git" | |
| UPSTREAM_BRANCH: "master" | |
| ORIGIN_BRANCH: "master" | |
| MIN_UPSTREAM_MERGES: 1 | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v6 | |
| with: | |
| fetch-depth: 0 | |
| token: ${{ secrets.SYNC_PAT }} | |
| - name: Configure Git | |
| run: | | |
| git config user.name "github-actions[bot]" | |
| git config user.email "github-actions[bot]@users.noreply.github.com" | |
| - name: Fetch upstream & generate branch name & check for new commits | |
| id: check_commits | |
| env: | |
| GH_TOKEN: ${{ secrets.SYNC_PAT }} | |
| run: | | |
| gh repo set-default ${{ github.repository }} # Set the default repo to the origin repository | |
| git remote add upstream ${{ env.UPSTREAM }} | |
| git fetch upstream | |
| MERGES=$(git rev-list --count --merges HEAD..upstream/${{ env.UPSTREAM_BRANCH }}) | |
| echo "Found $MERGES new merge commits in upstream." | |
| if [ "$MERGES" -lt ${{ env.MIN_UPSTREAM_MERGES }} ]; then | |
| echo "Exiting." | |
| echo "skip=true" >> "$GITHUB_OUTPUT" | |
| else | |
| echo "skip=false" >> "$GITHUB_OUTPUT" | |
| fi | |
| # Generate a sync branch name "sync-UPSTREAM_HEAD", where UPSTREAM_HEAD is a commit ID. | |
| UPSTREAM_HEAD=$(git rev-parse --short upstream/${{ env.UPSTREAM_BRANCH }}) | |
| SYNC_BRANCH="sync-$UPSTREAM_HEAD" | |
| echo "Sync branch name: $SYNC_BRANCH" | |
| echo "SYNC_BRANCH=$SYNC_BRANCH" >> "$GITHUB_ENV" | |
| # Check if the sync branch already exists in the origin repository | |
| if git ls-remote --heads origin "$SYNC_BRANCH" | grep -q "$SYNC_BRANCH"; then | |
| echo "Branch $SYNC_BRANCH already exists. Skipping the sync." | |
| echo "skip=true" >> "$GITHUB_OUTPUT" | |
| else | |
| echo "skip=false" >> "$GITHUB_OUTPUT" | |
| fi | |
| - name: Generate PR metadata | |
| id: branch_pr_metadata | |
| if: steps.check_commits.outputs.skip == 'false' | |
| run: | | |
| # Call the sync script to generate PR title and body | |
| ./contrib/sync-upstream.sh -b ${{ env.ORIGIN_BRANCH }} "$SYNC_BRANCH" | |
| - name: Push a sync branch | |
| id: push_branch | |
| if: steps.check_commits.outputs.skip == 'false' | |
| run: | | |
| echo "Creating sync branch: $SYNC_BRANCH" | |
| git checkout upstream/${{ env.UPSTREAM_BRANCH }} | |
| git checkout -b "$SYNC_BRANCH" | |
| git push -u origin "$SYNC_BRANCH" | |
| - name: Create pull request | |
| id: create_pr | |
| if: steps.check_commits.outputs.skip == 'false' | |
| env: | |
| GH_TOKEN: ${{ secrets.SYNC_PAT }} | |
| run: | | |
| # Execute the generated PR creation script | |
| ./contrib/gh-pr-create.sh | |
| - name: Cleanup sync branch on failure | |
| if: steps.push_branch.outcome == 'success' && steps.create_pr.outcome == 'failure' | |
| run: | | |
| echo "PR creation failed but branch was pushed. Deleting: $SYNC_BRANCH" | |
| git push origin --delete "$SYNC_BRANCH" |