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ci: keep one running and one waiting main run, as oh-my-openagent does - #1667
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#1589 gave every push to main a concurrency group of its own commit, so each merge's main run finished and a red main named its merge. It counted the cost as none because Linux jobs ran on GitHub-hosted runners then. The self-hosted runners are back (CI_SELF_HOSTED_LABELS), and nine merges in one afternoon queued nine full main runs that took the PC's runners and its three check slots from open pull requests; Pages also refused each run main had already moved past. main's runs now share one group, as in oh-my-openagent's ci.yml: the running one finishes, GitHub keeps only the newest waiting one, and that run covers the merges in between. A run of main that fails still names the merges since the last green one. Pull requests still cancel superseded runs; Release and Pages call ci.yml through workflow_dispatch, whose ref group is unchanged. scripts/ci-concurrency.test.ts pins the new values.
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📝 Summary
Merge Risk: 🔵 Low · up to
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| Check name | Status | Explanation |
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| Title check |  |
The title clearly summarizes the main CI concurrency change: keep one main run active and one waiting run. |
| Description check | |
The description includes the required Change and Validation sections. It explains the problem, resulting behavior, trade-off, affected workflows, and validation results. The referenced issue does not … |
| Docstring Coverage | |
No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 1… |
| Linked Issues check | |
Check skipped because no linked issues were found for this pull request. |
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The description includes the required Change and Validation sections. It explains the problem, resulting behavior, trade-off, affected workflows, and validation results. The referenced issue does not include a maintainer-agreement link, but the description is otherwise complete.
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Inline comments:
Review comments at @.github/workflows/ci.yml:
- Line 23: Update the concurrency group in the workflow validation configuration
so workflow_dispatch runs use a distinct group from push runs on the same ref.
Preserve the existing group naming for other event types.
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⚙️ Run configuration
- Source mode: Auto
- Repository: devswha/ovis
- Branch: ci/one-main-run
- File: .coderabbit.yaml
- Commit: 61a4df6
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.github/workflows/ci.ymlscripts/ci-concurrency.test.ts
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A manual CI run on main shared the push group and could replace a waiting push run; Pages deploys only a successful push run, so that commit would not deploy. workflow_dispatch runs, including Release's and Pages' calls, now append -manual to the group.
…nning one Review of this PR: the comment and test name said a push run of main is never cancelled, but a newer push cancels the waiting one, and Pages relies on that cancelled result to skip building. docs/development.md still said main's CI validates each push; it now describes the shared group and that re-running an older main run cancels the newer waiting one.
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CodeRabbit reviewed the first commit (1 finding) and skipped the later pushes. Because this PR changes a workflow, a code-review agent reviewed the whole PR as well: APPROVE after the fixes below. What it checked
Findings and how each was resolved
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Change
.github/workflows/ci.ymlnow groups pushes to main the way oh-my-openagent'sci.ymldoes:validation-${{ github.workflow }}-${{ github.ref }});cancel-in-progressis stillgithub.event_name == 'pull_request'.So a push run of main is never cancelled. The running one finishes, and GitHub keeps only the newest waiting one, which covers the merges in between.
scripts/ci-concurrency.test.tspins the new values.Why
#1589 grouped each push to main by its own commit, so every merge's main run finished and a red main named its merge. It counted the cost as none because Linux jobs ran on GitHub-hosted runners then.
Since 2026-10-22 the self-hosted runners are back on (
CI_SELF_HOSTED_LABELS), and that cost now lands on the PC:Trade-off
In a burst of merges, a merge whose run was still waiting gets no run of its own. The newest run covers it, so a red main names the merges since the last green run rather than one merge. Merges spaced further apart than one CI run each still get their own run.
Unchanged:
ci.ymlthroughworkflow_dispatch, which already used the ref group and is never cancelled.windows-install.ymlhas no push trigger.Validation
bun run check fastpasses (actionlint, andscripts/ci-concurrency.test.tswith the new values).pages.ymlandrelease.yml.pages.ymlis the only workflow that waits on CI, and it deploys only a successful run of main.CI only; no changelog fragment.