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ci: cancel PR runs only for new commits - #142

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uniqueg merged 2 commits into
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ci/gate-cancel-new-commits
Nov 11, 2026
Merged

uniqueg merged 2 commits into
devfrom
ci/gate-cancel-new-commits

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@uniqueg

@uniqueg uniqueg commented Nov 10, 2026 •

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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

  • actionlint and check-yaml (hooks of cloud-registry's pre-commit config, as this repository has none) on .github/workflows/ci.yml: passed.
  • CI: all checks passed, including CI passed, on f002baf.
  • Sourcery: approved, no threads.

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

Summary by Sourcery

Ensure only new pull-request commits cancel in-progress CI runs, while other events wait without producing misleading cancelled checks.

Bug Fixes:

  • Prevent CI runs for pull-request metadata changes and reruns from cancelling the active run for the same commit and leaving a failed CI passed check.

Enhancements:

  • Restrict workflow concurrency cancellation to first-attempt synchronize events while preserving separate concurrency groups for pushes and title-unchanged edits.

CI:

  • Update CI workflow concurrency behavior so only new pull-request commits cancel in-progress runs.

A newer run on the same commit (e.g. for an edit of the description)
cancelled the run in progress, and its failed gate then blocked the
merge. Only the first attempt of a run for a pull request's
synchronize action now cancels runs in progress, as in "Cancelled
runs" of actions/gate/README.md in elixir-cloud-aai/.github.

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

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011FSoqMpmDCfbACLj3uy6xV
@codecov

codecov Bot commented Nov 10, 2026 •

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 70.49%. Comparing base (ae78ec2) to head (65b5100).

Additional details and impacted files
@@           Coverage Diff           @@
##              dev     #142   +/-   ##
=======================================
  Coverage   70.49%   70.49%           
=======================================
  Files          67       67           
  Lines        2827     2827           
  Branches      312      312           
=======================================
  Hits         1993     1993           
  Misses        690      690           
  Partials      144      144           

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

@uniqueg
uniqueg marked this pull request as ready for review November 10, 2026 20:08
@sourcery-ai

sourcery-ai Bot commented Nov 10, 2026 •

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Reviewer's Guide

Configuration

Update workflow concurrency so only a first-attempt pull-request synchronize run cancels in-progress runs, and revise the comment to explain the rule.

  • .github/workflows/ci.yml L39-46, L54-57

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Hey - I've reviewed your changes and they look great!

Sourcery assessment

Approved.


Sourcery is free for open source - if you like our reviews please consider sharing them ✨

@uniqueg
uniqueg merged commit 59e0462 into dev Nov 11, 2026
25 checks passed
@uniqueg
uniqueg deleted the ci/gate-cancel-new-commits branch November 11, 2026 10:00
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