Notify maintainer if fixup commits exist

[pboushy]

🏷️ Discussion Type

Product Feedback

Body

Add a message notifying maintainers that a PR contains fixup commits in the merge area.

[github-actions[bot]]

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[RudraBhungaliya]

🏷️ Discussion Type

Product Feedback

Body

Add a message notifying maintainers that a PR contains fixup commits in the merge area.

Here is a direct answer tailored for that GitHub Discussion:

This is a great product feedback suggestion for GitHub Pull Requests.

Currently, GitHub doesn't natively highlight fixup! or squash! commits in the PR UI or block merging based on them unless a custom CI workflow/status check is configured.

Recommended Workarounds & Solutions
In the meantime, here are two ways to achieve this notification automatically:

Use a GitHub Action Status Check (Recommended): You can add a workflow that checks for commit prefixes (like fixup! or squash!) and fails the status check to prevent merging. For example, using the popular action copilot-ops/git-fixup-check or a simple inline bash script:

YAML
name: Check Fixup Commits
on: [pull_request]

jobs:
check-fixups:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
with:
fetch-depth: 0
- name: Fail if fixup commits exist
run: |
if git log --grep="^fixup!" --grep="^squash!" origin/${{ github.base_ref }}..HEAD | grep .; then
echo "PR contains fixup/squash commits that need autosquashing!"
exit 1
fi
PR Comment Automation: You can configure a workflow using actions/github-script to post a sticky warning comment directly on the PR thread whenever fixup! commits are detected in the commit history.

If this information or workaround helps address your request, please mark this response as the accepted answer!

[RudraBhungaliya]

Here is a direct answer tailored for that GitHub Discussion:

This is a great product feedback suggestion for GitHub Pull Requests.

Currently, GitHub doesn't natively highlight fixup! or squash! commits in the PR UI or block merging based on them unless a custom CI workflow/status check is configured.

Recommended Workarounds & Solutions
In the meantime, here are two ways to achieve this notification automatically:

Use a GitHub Action Status Check (Recommended): You can add a workflow that checks for commit prefixes (like fixup! or squash!) and fails the status check to prevent merging. For example, using the popular action copilot-ops/git-fixup-check or a simple inline bash script:

YAML
name: Check Fixup Commits
on: [pull_request]

jobs:
check-fixups:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
with:
fetch-depth: 0
- name: Fail if fixup commits exist
run: |
if git log --grep="^fixup!" --grep="^squash!" origin/${{ github.base_ref }}..HEAD | grep .; then
echo "PR contains fixup/squash commits that need autosquashing!"
exit 1
fi
PR Comment Automation: You can configure a workflow using actions/github-script to post a sticky warning comment directly on the PR thread whenever fixup! commits are detected in the commit history.

If this information or workaround helps address your request, please mark this response as the accepted answer!