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MQ Created Branches

In some situations, Aviator MergeQueue automatically creates branches and pull-requests. This page explains their purposes.

mq-bot-* branches and draft PRs

We create branches and draft PRs with mq-bot- prefix. When you enqueue a PR, they are re-tested with these branches. The branch contains changes from the latest base branch (e.g. main) and the enqueued PR.

mq-tmp-* branches

We create branches with mq-tmp- prefix for some purposes (e.g. checking if fast-forwardable). We do not create a pull-request on these branches and do not expect tests to run on this.

CI configurations

As explained above, CI should run on mq-bot- branches, but not on mq-tmp- branches. Here are some CI configuration examples to exclude mq-tmp- from CI execution triggers.

GitHub Actions

GitHub Actions can be configured to trigger based on the pull-request related events. Since we do not create a pull-request on mq-tmp- branches, using this pull-request trigger should suffice in most cases.
name: test
on:
pull_request
If you need to trigger on push for some reason, you can filter out at the job condition.
name: test
on:
push
jobs:
unit-test:
if: startsWith(github.head_ref,'mq-tmp-') != true
runs-on: "ubuntu-latest"

CircleCI

CircleCI supports ignoring specific branch prefixes.
version: 2.1
workflows:
version: 2
build-and-test:
jobs:
- build-and-test:
filters:
branches:
ignore:
- /mq-tmp-.*/

Buildkite

Buildkit supports ignoring specific branch prefixes. You can add !mq-tmp-* to the configuration to exclude those branches. See Branch configuration for details.

Others

Similarly, for other CI systems, you can optimize the CI by blacklisting the mq-tmp- feature branches. The configuration may vary depending on how it is set up. If you have questions regarding a specific CI, please reach out to us: [email protected].\