Automerge #4464
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| name: Automerge | |
| on: | |
| workflow_run: | |
| workflows: | |
| - Check | |
| types: | |
| - completed | |
| jobs: | |
| test: | |
| name: Renovate | |
| if: github.event.workflow_run.conclusion == 'success' | |
| permissions: | |
| issues: write | |
| pull-requests: write | |
| contents: write | |
| actions: write | |
| runs-on: ubuntu-22.04 | |
| steps: | |
| - name: Install uniget | |
| uses: uniget-org/uniget-action@v1 | |
| with: | |
| prefix: helper | |
| tools: gojq | |
| - name: Test | |
| env: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| REF: ${{ github.event.workflow_run.head_branch }} | |
| run: | | |
| set -o errexit -o pipefail | |
| echo "Running on branch: ${REF}" | |
| PR_JSON="$( | |
| curl --silent --show-error --fail --header "Authorization: token ${GITHUB_TOKEN}" \ | |
| --url "https://api.github.com/repos/${GITHUB_REPOSITORY}/pulls?state=open&head=uniget-org:${REF}" \ | |
| | jq '.[]' | |
| )" | |
| PR="$( jq --raw-output '.number' <<<"${PR_JSON}" )" | |
| if test -z "${PR}"; then | |
| echo "ERROR: Failed to retrieve PR number from event payload" | |
| exit 1 | |
| fi | |
| echo "PR ${PR} uses branch ${REF}" | |
| if ! jq --raw-output '.labels[].name' <<<"${PR_JSON}" | grep -q "^type/renovate$"; then | |
| echo "PR ${PR} does not have label type/renovate. Canceling" | |
| curl --silent --show-error --fail --header "Authorization: token ${GITHUB_TOKEN}" \ | |
| --request POST \ | |
| --url "https://api.github.com/repos/${GITHUB_REPOSITORY}/actions/runs/${GITHUB_RUN_ID}/cancel" | |
| fi | |
| RUN_URL="$( | |
| curl --silent --show-error --location --fail \ | |
| --url "${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/actions/runs/${GITHUB_RUN_ID}" \ | |
| | jq --raw-output '.html_url' | |
| )" | |
| echo "Extracted HTML URL for this run: ${RUN_URL}." | |
| curl --silent --show-error --fail \ | |
| --request POST \ | |
| --header "Authorization: Bearer ${GITHUB_TOKEN}" \ | |
| --url "https://api.github.com/repos/${GITHUB_REPOSITORY}/issues/${PR}/comments" \ | |
| --data '{"body": "Attempting automerge. See '"${RUN_URL}"'."}' | |
| MERGEABLE_STATE="$( jq --raw-output '.mergeable_state' <<<"${PR_JSON}" )" | |
| while test "${MERGEABLE_STATE}" == "unknown" || test "${MERGEABLE_STATE}" == "null"; do | |
| echo "Got mergeable state: ${MERGEABLE_STATE}" | |
| PR_JSON="$( | |
| curl --silent --show-error --fail \ | |
| --header "Authorization: token ${GITHUB_TOKEN}" \ | |
| --url "https://api.github.com/repos/${GITHUB_REPOSITORY}/pulls/${PR}" \ | |
| | jq --compact-output '.' | |
| )" | |
| MERGEABLE_STATE="$( jq --raw-output '.mergeable_state' <<<"${PR_JSON}" )" | |
| done | |
| case "${MERGEABLE_STATE}" in | |
| blocked) | |
| echo "PR ${PR} is blocked and can not be merged" | |
| curl --silent --show-error --fail \ | |
| --request POST \ | |
| --header "Authorization: Bearer ${GITHUB_TOKEN}" \ | |
| --url "https://api.github.com/repos/${GITHUB_REPOSITORY}/issues/${PR}/comments" \ | |
| --data '{"body": "PR is blocked and can not be merged. See '"${RUN_URL}"'."}' | |
| echo "Aborting workflow" | |
| exit 1 | |
| ;; | |
| clean) | |
| echo "PR ${PR} is clean and can be merged" | |
| curl --silent --show-error --fail \ | |
| --request POST \ | |
| --header "Authorization: Bearer ${GITHUB_TOKEN}" \ | |
| --url "https://api.github.com/repos/${GITHUB_REPOSITORY}/issues/${PR}/comments" \ | |
| --data '{"body": "PR is clean and can be merged. See '"${RUN_URL}"'."}' | |
| ;; | |
| *) | |
| echo "ERROR: Unknown mergeable_state ${MERGEABLE_STATE} for PR ${PR}" | |
| curl --silent --show-error --fail \ | |
| --request POST \ | |
| --header "Authorization: Bearer ${GITHUB_TOKEN}" \ | |
| --url "https://api.github.com/repos/${GITHUB_REPOSITORY}/issues/${PR}/comments" \ | |
| --data '{"body": "PR has unknown mergeable_state ('"${MERGEABLE_STATE}"') and can not be merged. See '"${RUN_URL}"'."}' | |
| echo "Aborting workflow" | |
| exit 1 | |
| ;; | |
| esac | |
| echo "PR ${PR} is ready for auto-merge" | |
| echo "Merging PR ${PR}..." | |
| http_code="405" | |
| merged=false | |
| max_attempts=3 | |
| attempt=1 | |
| while true; do | |
| echo " Attempt ${attempt}" | |
| http_code="$( | |
| curl --silent --request PUT --header "Authorization: token ${GITHUB_TOKEN}" \ | |
| --url "https://api.github.com/repos/${GITHUB_REPOSITORY}/pulls/${PR}/merge" \ | |
| --data '{"merge_method": "rebase"}' \ | |
| --output merge.json \ | |
| --write-out "${http_code}" | |
| )" | |
| if jq --exit-status 'select(.merged != null) | select(.merged == true)' merge.json >/dev/null; then | |
| echo " Merged" | |
| merged=true | |
| break | |
| fi | |
| echo " Got HTTP code ${http_code}" | |
| if test "${attempt}" -eq "${max_attempts}"; then | |
| echo " Max attempt reached" | |
| break | |
| elif test "${http_code}" -eq 405; then | |
| echo " Sleeping" | |
| cat merge.json | |
| sleep 5 | |
| else | |
| echo " Non-405 code" | |
| break | |
| fi | |
| attempt=$(( attempt + 1 )) | |
| done | |
| if ! ${merged}; then | |
| echo "ERROR: Unable to merge PR ${PR}" | |
| exit 1 | |
| fi | |
| echo "PR ${PR} has been merged" | |
| echo "Deleting branch ${REF}..." | |
| if ! curl --silent --show-error --fail --request DELETE --header "Authorization: token ${GITHUB_TOKEN}" \ | |
| --url "https://api.github.com/repos/${GITHUB_REPOSITORY}/git/refs/heads/${REF}"; then | |
| echo "ERROR: Unable to delete branch ${REF} from PR ${PR}" | |
| exit 1 | |
| fi | |
| echo "Branch ${REF} has been deleted" |