https://github.com/python/cpython/commit/979d81a17905e922d32fb1671f9ed394e0ffbda6
commit: 979d81a17905e922d32fb1671f9ed394e0ffbda6
branch: main
author: Kira <coldcapt...@gmail.com>
committer: AA-Turner <9087854+aa-tur...@users.noreply.github.com>
date: 2025-05-22T04:49:07+01:00
summary:

gh-134309: Add ``github.actor`` to the GitHub Actions concurrency key (#134310)

When inexperienced users create a PR from their default branch, all of the 
concurrency keys
collide as there is no namespacing. This becomes an issue at events with many 
new contributors,
where workflow runs are cancelled on other pull requests.
Disambiguate by adding the username of the relevant 'actor' to the concurrency 
key.

Co-authored-by: Adam Turner <9087854+aa-tur...@users.noreply.github.com>
Co-authored-by: Sviatoslav Sydorenko <sv...@redhat.com>
Co-authored-by: C.A.M. Gerlach <cam.gerl...@gerlach.cam>
Authored-by: Adam Turner <9087854+aa-tur...@users.noreply.github.com>

files:
M .github/workflows/build.yml

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b192508c78685c..54ebc914b46821 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,7 +15,13 @@ permissions:
   contents: read
 
 concurrency:
-  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id 
}}-reusable
+  # 
https://docs.github.com/en/actions/writing-workflows/workflow-syntax-for-github-actions#concurrency
+  # 'group' must be a key uniquely representing a PR or push event.
+  # github.workflow is the workflow name
+  # github.actor is the user invoking the workflow
+  # github.head_ref is the source branch of the PR or otherwise blank
+  # github.run_id is a unique number for the current run
+  group: ${{ github.workflow }}-${{ github.actor }}-${{ github.head_ref || 
github.run_id }}
   cancel-in-progress: true
 
 env:

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