Sync Upstream PRs #896
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| name: Sync Upstream PRs | |
| on: | |
| schedule: | |
| - cron: '30 * * * *' # hourly at :30, controlled by SYNC_PRS_HOURS | |
| workflow_dispatch: | |
| inputs: | |
| pr_url: | |
| description: 'Upstream PR URL to mirror (e.g., https://github.com/owner/repo/pull/123)' | |
| required: false | |
| type: string | |
| base_sha: | |
| description: 'Upstream commit SHA: alone creates loci/main-{sha} branch, with pr_url overrides merge-base with main' | |
| required: false | |
| type: string | |
| permissions: | |
| actions: write | |
| contents: write | |
| pull-requests: write | |
| concurrency: | |
| group: sync-upstream-pulls | |
| cancel-in-progress: true | |
| jobs: | |
| sync-pulls: | |
| if: vars.UPSTREAM_REPO != '' && (github.event_name != 'workflow_dispatch' || github.ref == 'refs/heads/overlay') | |
| runs-on: ubuntu-latest | |
| env: | |
| GH_TOKEN: ${{ secrets.MIRROR_REPOS_WRITE_PAT }} | |
| UPSTREAM_REPO: '${{ vars.UPSTREAM_REPO }}' | |
| SYNC_HOURS: '${{ vars.SYNC_PRS_HOURS }}' | |
| MAX_UPSTREAM_PRS: '${{ vars.MIRROR_MAX_UPSTREAM_PRS }}' | |
| UPSTREAM_PR_LOOKBACK_DAYS: '${{ vars.MIRROR_UPSTREAM_PR_LOOKBACK_DAYS }}' | |
| steps: | |
| - name: Check schedule | |
| id: schedule | |
| if: github.event_name == 'schedule' | |
| run: | | |
| current_hour=$(date -u +%-H) | |
| if [ -z "$SYNC_HOURS" ]; then | |
| echo "SYNC_PRS_HOURS not set, running by default." | |
| elif [[ ",$SYNC_HOURS," != *",$current_hour,"* ]]; then | |
| echo "Hour ${current_hour} not in schedule (${SYNC_HOURS}). Skipping." | |
| echo "skip=true" >> "$GITHUB_OUTPUT" | |
| else | |
| echo "Hour ${current_hour} matches schedule (${SYNC_HOURS}). Running." | |
| fi | |
| - uses: actions/checkout@v4 | |
| if: steps.schedule.outputs.skip != 'true' | |
| with: | |
| fetch-depth: 0 | |
| token: ${{ env.GH_TOKEN }} | |
| - name: Resolve upstream's default branch | |
| if: steps.schedule.outputs.skip != 'true' | |
| id: upstream | |
| shell: bash -euo pipefail {0} | |
| run: | | |
| default_branch=$(gh api "repos/${UPSTREAM_REPO}" --jq .default_branch) | |
| echo "default_branch=${default_branch}" >> "$GITHUB_OUTPUT" | |
| echo "Default branch: ${default_branch}" | |
| - name: Fetch and process upstream PRs | |
| if: steps.schedule.outputs.skip != 'true' | |
| id: refresh | |
| env: | |
| UPSTREAM_DEFAULT: ${{ steps.upstream.outputs.default_branch }} | |
| UPSTREAM_PR_LOOKBACK_DAYS: ${{ vars.MIRROR_UPSTREAM_PR_LOOKBACK_DAYS }} | |
| MAX_UPSTREAM_PRS: ${{ vars.MIRROR_MAX_UPSTREAM_PRS }} | |
| PR_URL: ${{ github.event.inputs.pr_url }} | |
| BASE_SHA: ${{ github.event.inputs.base_sha }} | |
| run: bash .github/scripts/fetch-upstream-prs.sh | |
| - name: Upsert mirror branches & PRs | |
| if: steps.schedule.outputs.skip != 'true' && steps.refresh.outputs.prs_to_sync == 'yes' | |
| run: bash .github/scripts/upsert-mirror-prs.sh |