automerge from merge_queue #186
This file contains 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: automerge from merge_queue | |
| on: | |
| workflow_run: | |
| workflows: | |
| - CI | |
| types: | |
| - completed | |
| concurrency: | |
| group: automerge-merge_queue-${{ github.event.workflow_run.event }}-${{ github.event.workflow_run.id }} | |
| cancel-in-progress: true | |
| env: | |
| HOMEBREW_DEVELOPER: 1 | |
| HOMEBREW_NO_AUTO_UPDATE: 1 | |
| GH_REPO: ${{ github.repository }} | |
| GH_NO_UPDATE_NOTIFIER: 1 | |
| GH_PROMPT_DISABLED: 1 | |
| jobs: | |
| status-check: | |
| runs-on: ubuntu-latest | |
| if: > | |
| github.repository_owner == 'Homebrew' && | |
| github.event.workflow_run.conclusion != 'success' && | |
| github.event.workflow_run.event == 'merge_group' | |
| outputs: | |
| pull-number: ${{ steps.pr.outputs.number }} | |
| publishable: ${{ steps.check-labels.outputs.publishable }} | |
| approved: ${{ steps.approval-status.outputs.approved }} | |
| complete: ${{ steps.approval-status.outputs.complete }} | |
| mergeable: ${{ steps.approval-status.outputs.mergeable }} | |
| permissions: | |
| contents: read | |
| pull-requests: read | |
| actions: read | |
| steps: | |
| - name: Upload metadata | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: event_payload | |
| path: ${{ github.event_path }} | |
| - name: Dump metadata | |
| run: jq . "$GITHUB_EVENT_PATH" | |
| - name: Get PR number | |
| id: pr | |
| env: | |
| GH_TOKEN: ${{ github.token }} | |
| WORKFLOW_RUN_NODE_ID: ${{ github.event.workflow_run.node_id }} | |
| QUERY: |- | |
| query($id: ID!) { | |
| node(id: $id) { | |
| ... on WorkflowRun { | |
| checkSuite { | |
| commit { | |
| parents(last: 2) { | |
| nodes { | |
| oid | |
| associatedPullRequests(last: 1) { | |
| nodes { | |
| number | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| run: | | |
| # Get the latest PR associated with the second parent of the merge commit created for the merge_group. | |
| head_commit_data="$( | |
| gh api graphql \ | |
| --field id="$WORKFLOW_RUN_NODE_ID" \ | |
| --raw-field query="$QUERY" \ | |
| --jq '.data.node.checkSuite.commit.parents.nodes | last' | |
| )" | |
| number="$(jq --raw-output '.associatedPullRequests.nodes[].number' <<<"$head_commit_data")" | |
| # Fall back to using the commit SHA if the associated PR is not available from the GraphQL API. | |
| if [[ -z "$number" ]] | |
| then | |
| commit_sha="$(jq --raw-output '.oid' <<<"$head_commit_data")" | |
| number="$(gh pr list --search "$commit_sha" --state open --limit 1 --json number --jq '.[].number')" | |
| fi | |
| if [[ -z "$number" ]] | |
| then | |
| echo "::error::Missing PR number!" | |
| exit 1 | |
| fi | |
| echo "number=$number" >> "$GITHUB_OUTPUT" | |
| - name: Check PR labels and timeline for merge queue events | |
| id: check-labels | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| PR: ${{ steps.pr.outputs.number }} | |
| QUERY: |- | |
| query ($owner: String!, $name: String!, $pr: Int!) { | |
| repository(owner: $owner, name: $name) { | |
| pullRequest(number: $pr) { | |
| timelineItems(itemTypes: [REMOVED_FROM_MERGE_QUEUE_EVENT], last: 5) { | |
| totalCount | |
| } | |
| } | |
| } | |
| } | |
| run: | | |
| publishable=true | |
| while IFS='' read -r label | |
| do | |
| if [[ "$label" = "pre-release" ]] || | |
| [[ "$label" = "CI-published-bottle-commits" ]] | |
| then | |
| publishable=false | |
| break | |
| fi | |
| done < <( | |
| gh api \ | |
| --header 'Accept: application/vnd.github+json' \ | |
| --header 'X-GitHub-Api-Version: 2022-11-28' \ | |
| "repos/{owner}/{repo}/pulls/$PR" \ | |
| --jq '.labels[].name' | |
| ) | |
| removed_from_merge_queue_count="$( | |
| gh api graphql \ | |
| --field owner='{owner}' \ | |
| --field name='{repo}' \ | |
| --field pr="$PR" \ | |
| --raw-field query="$QUERY" \ | |
| --jq '.data.repository.pullRequest.timelineItems.totalCount' | |
| )" | |
| if [[ "$removed_from_merge_queue_count" -gt 3 ]] | |
| then | |
| # We've already tried to merge this PR multiple times. | |
| publishable=false | |
| fi | |
| echo "publishable=$publishable" >> "$GITHUB_OUTPUT" | |
| - name: Get approval and CI status | |
| if: fromJson(steps.check-labels.outputs.publishable) | |
| id: approval-status | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| PR: ${{ steps.pr.outputs.number }} | |
| QUERY: |- | |
| query ($owner: String!, $name: String!, $pr: Int!) { | |
| repository(owner: $owner, name: $name) { | |
| pullRequest(number: $pr) { | |
| reviewDecision | |
| commits(last: 1) { | |
| nodes { | |
| commit { | |
| checkSuites(last: 100) { | |
| nodes { | |
| conclusion | |
| workflowRun { | |
| workflow { | |
| name | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| run: | | |
| attempt=0 | |
| max_attempts=5 | |
| timeout=5 | |
| while [[ "$attempt" -lt "$max_attempts" ]] | |
| do | |
| attempt=$(( attempt + 1 )) | |
| query_response="$( | |
| gh api graphql \ | |
| --field owner='{owner}' \ | |
| --field name='{repo}' \ | |
| --field pr="$PR" \ | |
| --raw-field query="$QUERY" \ | |
| --jq '.data.repository.pullRequest' | |
| )" | |
| approved="$( | |
| jq --raw-output '.reviewDecision == "APPROVED"' <<< "$query_response" | |
| )" | |
| complete="$( | |
| jq --raw-output \ | |
| '.commits.nodes[].commit.checkSuites.nodes | | |
| map(select(.workflowRun.workflow.name == "CI")) | | |
| last | .conclusion == "SUCCESS"' <<< "$query_response" | |
| )" | |
| # See https://github.com/octokit/octokit.net/issues/1763 for possible `mergeable_state` values. | |
| mergeable="$( | |
| gh api \ | |
| --header 'Accept: application/vnd.github+json' \ | |
| --header 'X-GitHub-Api-Version: 2022-11-28' \ | |
| "repos/{owner}/{repo}/pulls/$PR" \ | |
| --jq '(.mergeable_state == "clean") and (.draft | not)' | |
| )" | |
| if [[ "$approved" = "true" ]] && | |
| [[ "$complete" = "true" ]] && | |
| [[ "$mergeable" = "true" ]] || | |
| [[ "$attempt" -eq "$max_attempts" ]] | |
| then | |
| break | |
| fi | |
| echo "::notice ::PR #$PR status:" | |
| echo "::notice ::Approved? $approved" | |
| echo "::notice ::CI Complete? $complete" | |
| echo "::notice ::Mergeable? $mergeable" | |
| echo "::notice ::Checking again in ${timeout}s..." | |
| sleep "$timeout" | |
| timeout=$(( timeout * 2 )) | |
| done | |
| { | |
| echo "approved=$approved" | |
| echo "complete=$complete" | |
| echo "mergeable=$mergeable" | |
| } >> "$GITHUB_OUTPUT" | |
| merge: | |
| runs-on: ubuntu-latest | |
| needs: status-check | |
| if: > | |
| fromJson(needs.status-check.outputs.publishable) && | |
| fromJson(needs.status-check.outputs.approved) && | |
| fromJson(needs.status-check.outputs.complete) && | |
| fromJson(needs.status-check.outputs.mergeable) | |
| container: | |
| image: ghcr.io/homebrew/ubuntu22.04:master | |
| permissions: | |
| contents: read | |
| pull-requests: read | |
| actions: write # to dispatch publish workflow | |
| defaults: | |
| run: | |
| shell: bash | |
| steps: | |
| - name: Set up Homebrew | |
| uses: Homebrew/actions/setup-homebrew@master | |
| with: | |
| core: false | |
| cask: false | |
| test-bot: false | |
| - run: brew pr-publish "$PR" | |
| env: | |
| HOMEBREW_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| PR: ${{ needs.status-check.outputs.pull-number }} |