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tools: abort CQ session when landing several commits #40577

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8 changes: 7 additions & 1 deletion doc/guides/commit-queue.md
Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@ From a high-level, the Commit Queue works as follow:
2. Check if the last Jenkins CI is finished running (if it is not, skip this
PR)
3. Remove the `commit-queue` label
4. Run `git node land <pr>`
4. Run `git node land <pr> --oneCommitMax`
5. If it fails:
1. Abort `git node land` session
2. Add `commit-queue-failed` label to the PR
Expand All @@ -37,6 +37,12 @@ From a high-level, the Commit Queue works as follow:
3. Close the PR
4. Go to next PR in the queue

To make the Commit Queue squash all the commits on a pull request in the first
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one, add the `commit-queue-squash` label.
To make the Commit Queue land a pull request containing several commits, add the
`commit-queue-rebase` label. When using this option, make sure
that all commits are self-contained, meaning every commit should pass all tests.

## Current limitations

The Commit Queue feature is still in early stages, and as such it might not
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10 changes: 9 additions & 1 deletion tools/actions/commit-queue.sh
Original file line number Diff line number Diff line change
Expand Up @@ -70,7 +70,15 @@ for pr in "$@"; do
# Delete the commit queue label
gitHubCurl "$(labelsUrl "$pr")"/"$COMMIT_QUEUE_LABEL" DELETE

git node land --autorebase --yes "$pr" >output 2>&1 || echo "Failed to land #${pr}"
if gitHubCurl "$(labelsUrl "$pr")" GET | jq -e 'map(.name) | index("commit-queue-squash")'; then
MULTIPLE_COMMIT_POLICY="--fixupAll"
elif gitHubCurl "$(labelsUrl "$pr")" GET | jq -e 'map(.name) | index("commit-queue-rebase")'; then
MULTIPLE_COMMIT_POLICY=""
else
MULTIPLE_COMMIT_POLICY="--oneCommitMax"
fi

git node land --autorebase --yes $MULTIPLE_COMMIT_POLICY "$pr" >output 2>&1 || echo "Failed to land #${pr}"
# cat here otherwise we'll be supressing the output of git node land
cat output

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