58 lines
2.0 KiB
YAML
58 lines
2.0 KiB
YAML
name: automerge
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on:
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workflow_run:
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workflows: ['CI']
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types: [completed]
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jobs:
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automerge:
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if: >
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github.event.workflow_run.conclusion == 'success' &&
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github.event.workflow_run.event == 'pull_request'
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runs-on: ubuntu-latest
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permissions:
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contents: write
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pull-requests: write
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steps:
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- name: Merge PR with automerge label
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env:
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GH_TOKEN: ${{ secrets.MERGE_TOKEN }}
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REPO: ${{ github.repository }}
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run: |
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HEAD_BRANCH="${{ github.event.workflow_run.head_branch }}"
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PR_NUMBER=$(gh pr list --repo "$REPO" --head "$HEAD_BRANCH" --state open --json number --jq '.[0].number')
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if [ -z "$PR_NUMBER" ] || [ "$PR_NUMBER" = "null" ]; then
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echo "No open PR found for branch $HEAD_BRANCH"
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exit 0
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fi
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HAS_LABEL=$(gh pr view "$PR_NUMBER" --repo "$REPO" --json labels --jq '[.labels[].name] | map(select(. == "automerge")) | length')
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if [ "$HAS_LABEL" -eq 0 ]; then
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echo "PR #$PR_NUMBER does not have automerge label, skipping"
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exit 0
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fi
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# Ensure the CI run matches the PR's latest commit to avoid merging stale results
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CI_SHA="${{ github.event.workflow_run.head_sha }}"
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PR_SHA=$(gh pr view "$PR_NUMBER" --repo "$REPO" --json headRefOid --jq '.headRefOid')
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if [ "$CI_SHA" != "$PR_SHA" ]; then
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echo "CI ran on $CI_SHA but PR head is $PR_SHA, skipping"
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exit 0
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fi
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# Ensure no checks have failed on the PR
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FAILED=$(gh pr checks "$PR_NUMBER" --repo "$REPO" --json state --jq '[.[] | select(.state == "FAILURE")] | length')
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if [ "$FAILED" -gt 0 ]; then
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echo "PR #$PR_NUMBER has $FAILED failed check(s), skipping merge"
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exit 0
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fi
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echo "PR #$PR_NUMBER has automerge label and all checks passed. Merging..."
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gh pr merge "$PR_NUMBER" --squash --repo "$REPO" --delete-branch
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