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ci: run CI only on pull requests and main - #515
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Abtion's GitHub Actions bill grew from about $66 a month in January to about $1,000 a month in October 2026. Co-Authored-By: Claude Opus 5.5 <[email protected]>
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🟡 Changes recommended
The shared concurrency group allows newer pushes to main to replace pending runs, skipping their CI and Sonar scans even when cancel-in-progress is false.
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What changed in this PR
This PR reduces GitHub Actions usage by limiting CI to pull requests and pushes to main, instead of running on every branch push.
Changes:
- Runs CI for pull requests, including drafts, and pushes to
main. - Adds concurrency grouping to cancel outdated PR runs.
| File | Description |
|---|---|
.github/workflows/ci.yml |
Restricts CI triggers and adds workflow concurrency controls. |
Review effort: Balanced
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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CI now runs on pull requests and on pushes to
main. It no longer runs on pushes to branches that have no PR. When a new commit is pushed to a PR, the run for the older commit is cancelled.Why: Abtion's GitHub Actions bill grew from about $66 a month in January to about $1,000 a month in October. To get checks on a branch before review, open a draft PR.
Invariants
mainstill runs CI and the Sonar scan, and is never cancelled.How to test (developer)
pull_requestrun and all checks report.mainstarts CI and the Sonar scan.🤖 Generated with Claude Code