[uniqueg]

Summary

Only a new head commit of a pull request now cancels its CI runs in progress: cancel-in-progress of the workflow-level concurrency block in .github/workflows/ci.yml is true only for pull_request with action synchronize on the first attempt, as in "Cancelled runs" of actions/gate/README.md in elixir-cloud-aai/.github (elixir-cloud-aai/.github#71):

cancel-in-progress: >-
  ${{ github.event_name == 'pull_request'
  && github.event.action == 'synchronize'
  && github.run_attempt == 1 }}

Before, a newer run on the same commit (e.g. for editing the description, also by Sourcery, or marking the pull request ready) cancelled the run in progress, and its failed CI passed was then the newest result on the commit, which blocked the merge (elixir-cloud-aai/.github#70). Runs for other actions, and reruns, now wait for the run in progress instead; a waiting run that is replaced starts no job, so it leaves no check. The gate keeps if: always(), so a needed job that failed or was cancelled still fails it. This pull request's own runs already use the new rule.

The concurrency groups are unchanged (runs for pushes and for edits that leave the title unchanged keep groups of their own); the comment above the block now describes the new rule.

Part of elixir-cloud-aai/.github#73

Verification

• pre-commit run --files on .github/workflows/ci.yml (all hooks of the repository): passed.
• CI: all checks passed, including CI passed, on c522d66.
• Sourcery: 1 thread (a run for an older head that starts after the run for a newer head would cancel it): answered, not changed (the same with the previous rule; the newer head's gate fails closed), resolved.

Light lane: changes only the CI workflow's concurrency settings (no secrets, permissions or release workflow); I reviewed the diff myself.

Declined review findings

None.

Open questions

None.

🤖 Generated with Claude Code

https://claude.ai/code/session_011FSoqMpmDCfbACLj3uy6xV

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (d916d3d) to head (c522d66).

Additional details and impacted files

@@            Coverage Diff            @@
##               dev      #110   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           18        18           
  Lines         1545      1545           
=========================================
  Hits          1545      1545           

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[sourcery-ai]

Reviewer's Guide

Configuration

Update workflow concurrency so only a pull-request synchronize event’s first attempt cancels in-progress runs, and revise the adjacent comment to explain that policy.

• .github/workflows/ci.yml L30-37, L45-48

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[sourcery-ai]

Hey - I've found 1 issue

Prompt for AI Agents

Please address the comments from this code review:

## Individual Comments

### Comment 1
<location path=".github/workflows/ci.yml" line_range="48" />
<code_context>
+  cancel-in-progress: >-
+    ${{ github.event_name == 'pull_request'
+    && github.event.action == 'synchronize'
+    && github.run_attempt == 1 }}

 jobs:
</code_context>
<issue_to_address>
**Stale run cancels newest CI**

When gitHub admits an older `synchronize` run after a run for a newer PR head has started, the older run still matches this condition and shares the PR’s concurrency group, so it cancels the newer-head run; CI then checks only the stale commit, leaving the current head without a passing gate and blocking the merge.

Prevent a synchronize event for a stale head from cancelling a run for the current head.
</issue_to_address>

Sourcery assessment

Approval pending. 1 finding to address first.

Blocking findings: .github/workflows/ci.yml:48

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