automerge from merge_queue #1
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: Get PR number | |
| id: pr | |
| env: | |
| GH_TOKEN: ${{ github.token }} | |
| WORKFLOW_RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.event.workflow_run.id }} | |
| QUERY: |- | |
| query($url: URI!) { | |
| resource(url: $url) { | |
| ... on WorkflowRun { | |
| checkSuite { | |
| commit { | |
| associatedPullRequests(last: 1) { | |
| nodes { | |
| number | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| run: | | |
| number="$( | |
| gh api graphql \ | |
| --field url="$WORKFLOW_RUN_URL" \ | |
| --raw-field query="$QUERY" \ | |
| --jq '.data.resource.checkSuite.commit.associatedPullRequests.nodes[].number' | |
| )" | |
| 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" = "new formula" ]] || | |
| [[ "$label" = "automerge-skip" ]] || | |
| [[ "$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 }} |