Stop merge-and-release's Hub Refresh from Force-Discarding Local main - #937
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A qodo review finding on the develop -> main promotion PR (#936), confirmed: step 5's 'git fetch origin main' then 'git checkout -B main origin/main' unconditionally forces local main to the fetched tip, discarding any unpushed local commits or a dirty tree with no check, and refusing to notice main checked out in another worktree. Replaces it with 'git switch main' (or 'git switch -c main origin/main' the first time this checkout has no local main) plus 'git merge --ff-only origin/main'. Both refuse rather than discard: switch on a dirty tree or a main owned by another worktree, merge on anything but a clean fast-forward. Same outcome on the ordinary path, a stop instead of silent data loss on the unusual one. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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📝 WalkthroughWalkthroughThe Skills refresh procedure no longer force-resets local ChangesSkills refresh procedure
Estimated code review effort: 1 (Trivial) | ~5 minutes Merge Risk: 🟡 Moderate · up to The PR prevents destructive branch resets, but local edits can still be combined with the refreshed branch and copied into an inconsistent installation. Add a dirty-worktree preflight before merging, or explicitly accept this bounded correctness risk. 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches 💡 1⚔️ Resolve merge conflicts 💡
🧪 Generate unit tests (beta)
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PR Summary by QodoMake merge-and-release hub refresh fast-forward only (no forced reset)
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High-Level Assessment
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🟡 Changes recommended
The new text claims git switch "refuses a dirty working tree", but it can switch with local modifications when they apply cleanly, so the procedure should either require a clean tree explicitly or reword to match Git's actual behavior.
Once you've addressed the issues Copilot identified, you can request another Copilot review.
Pull request overview
Updates the merge-and-release procedure to refresh the hub checkout's main safely (fast-forward only) instead of force-resetting it, and regenerates the distributed skill copies to match.
Changes:
- Replace
git checkout -B main origin/mainwithgit switch+git merge --ff-onlyto avoid discarding local state. - Ensure the procedure explicitly stops on non-fast-forward situations rather than overwriting local history.
- Regenerate the derived skill trees and update the fleet-skills source digest.
File summaries
| File | Description |
|---|---|
| .agents/skills/merge-and-release/SKILL.md | Canonical procedure update to avoid force-discarding local main during hub refresh. |
| .github/skills/merge-and-release/SKILL.md | Regenerated distributed copy of the updated skill procedure. |
| .claude-plugin/fleet-skills/skills/merge-and-release/SKILL.md | Regenerated Claude plugin copy of the updated skill procedure. |
| .claude-plugin/fleet-skills/.source-digest | Updated digest to reflect regenerated skill content. |
Review details
- Files reviewed: 4/4 changed files
- Comments generated: 3
- Review effort level: Lite
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Inline comments:
In @.agents/skills/merge-and-release/SKILL.md:
- Around line 62-68: In the merge-and-release workflow, add a preflight
requiring an empty git status --porcelain result before any branch switch or
fast-forward merge, and stop without installing when local changes exist; then
regenerate both distributed copies. Apply this guidance at
.agents/skills/merge-and-release/SKILL.md lines 62-68,
.claude-plugin/fleet-skills/skills/merge-and-release/SKILL.md lines 62-68, and
.github/skills/merge-and-release/SKILL.md lines 62-68, keeping the refresh and
skills_install.py flow unchanged after the clean-worktree check.
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Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
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📒 Files selected for processing (4)
.agents/skills/merge-and-release/SKILL.md.claude-plugin/fleet-skills/.source-digest.claude-plugin/fleet-skills/skills/merge-and-release/SKILL.md.github/skills/merge-and-release/SKILL.md
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#933 landed independently and restructured merge-and-release's procedure, moving the local-main-refresh step from 5 to 7 without carrying this fix. Reapplied the switch/merge --ff-only fix at its new location, and tightened the wording per a Copilot finding on this PR: 'switch' carries a clean uncommitted change over rather than refusing every dirty tree, verified empirically, so it never discards, it either carries over or refuses on conflict.
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🟡 Changes recommended
The new instructions rely on git switch even though the repo’s host-tools contract does not declare a minimum Git version, which can make the procedure fail on older Git installs.
Once you've addressed the issues Copilot identified, you can request another Copilot review.
Review details
- Files reviewed: 4/4 changed files
- Comments generated: 1
- Review effort level: Lite
Two more real findings, both confirmed: - CodeRabbit's own scripted probe found the real gap: a non-conflicting dirty file survives both 'switch' and 'merge --ff-only' silently, so skills_install.py could install mixed local-plus-remote content with nothing ever refused. Added an explicit 'git status --porcelain' preflight that stops before attempting anything when the tree isn't clean, which also makes the subsequent checkout/merge behavior fully deterministic. - 'git switch' needs git >= 2.23, and spec/host-tools.json declares no floor for git at all. Swapped to 'git checkout' / 'git checkout -b', verified empirically to refuse a conflicting dirty change exactly the same way, with no version floor needed. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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🟡 Changes recommended
The new refresh procedure still allows a local-only main that is ahead of origin/main to proceed (no fast-forward occurs) and can silently run skills_install.py from the wrong commit unless an explicit main == origin/main assertion is added.
Once you've addressed the issues Copilot identified, you can request another Copilot review.
Review details
- Files reviewed: 4/4 changed files
- Comments generated: 3
- Review effort level: Lite
Copilot review, confirmed: 'git merge --ff-only origin/main' reports 'Already up to date' and exits zero when local main is ahead of origin/main, a stray local-only commit this checkout never pushed, rather than failing. skills_install.py would then silently install from that diverged HEAD instead of the just-promoted content the step exists to fetch. Added an explicit equality assertion after the checkout/merge, stop and report on any mismatch. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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🟢 Approval recommended
The updated procedure removes the destructive branch reset and adds clear refusal/verification gates while keeping the derived skill distributions consistent with the canonical source.
Review details
- Files reviewed: 4/4 changed files
- Comments generated: 0 new
- Review effort level: Lite
Fixes the still-valid half of #939 (closed as superseded on its other half, checkout-safety, already fixed more thoroughly on develop via #937/#940). Step 6's run-watch bound was a literal `<seconds>` template placeholder, never a runnable command as written. Filled in `2700` (45 minutes), matching `scripts/pr_review.py`'s own default (verified: `ap.add_argument("--timeout", type=int, default=2700, ...)`). 🤖 Generated with [Claude Code](https://claude.com/claude-code) <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit * **Bug Fixes** * Release monitoring now uses a finite 45-minute timeout by default. * Supports equivalent bounded waiting across different host environments. * Clearly distinguishes timed-out runs from completed results and generated versions. * Reports failed, timed-out, or unstarted runs without automatically retrying. * **Documentation** * Updated release monitoring guidance to reflect the new timeout and reporting behavior. <!-- end of auto-generated comment: release notes by coderabbit.ai --> Co-authored-by: Claude Sonnet 5 <noreply@anthropic.com>
Found via a qodo review finding on the develop -> main promotion PR (#936), confirmed against the actual procedure.
merge-and-release/SKILL.mdstep 5 told an agent to run `git fetch origin main` then `git checkout -B main origin/main` to refresh the hub checkout's local main after a promotion merges. `-B` unconditionally force-resets the branch to the fetched tip, discarding any unpushed local commits or a dirty tree, and doesn't notice main checked out in another worktree, violating the fleet's own Repository Boundaries and Write Safety rule (no reconciling non-fast-forward state, no work-discarding operations as task convenience).The fix
`git switch main` (or `git switch -c main origin/main` the first time this checkout has no local `main` at all), then `git merge --ff-only origin/main`. Both refuse rather than discard: `switch` on a dirty tree or a `main` owned by another worktree, `merge --ff-only` on anything but a clean fast-forward. Same outcome on the ordinary path (a hub checkout whose local main is stale or absent), a stop-and-report instead of silent data loss on the unusual one.
Edited the source (`.agents/skills/merge-and-release/SKILL.md`) and regenerated both derived trees with `scripts/build_dist.py`, verified with `--check` and `scripts/tests/test_build_dist.py`.
🤖 Generated with Claude Code
Summary by CodeRabbit