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Clear force-close bypass when a confirmed close is rejected - #18414
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teamleaderleo merged 2 commits intoOct 8, 2026
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After the user confirms a close warning, the retry records the tab in forceCloseTabIds and calls Bonsplit directly. If Bonsplit rejects that close, didCloseTab never runs, so the entry stayed behind and the next close of the still-open tab skipped the warning. Drop the entry when closeTab returns false, matching requestCloseTab. Closes manaflow-ai#16085 Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01FsxA6uRfPk8v6h673Dx5N1
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Included review availability: This review used your included allowance. Your plan provides up to 10 included reviews per hour; 9 remain after this review. 📝 WalkthroughWalkthroughWhen Bonsplit rejects a confirmed tab-close retry, the workspace clears the force-close bypass. A regression test verifies that the panel remains open and a later close attempt prompts again. ChangesConfirmed tab close
Priority: ➖ Normal Estimated code review effort: 2 (Simple) | ~10 minutes Change: Bug fix · Severity of issue fixed: Medium Suggested reviewers: Merge Risk: ⚪ Minimal · up to A rejected close no longer leaves a stale bypass that could suppress the warning on a later attempt. No merge-blocking risk remains. 🚥 Pre-merge checks | ✅ 24 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (24 passed)
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Inline comments:
Review comments at @cmuxTests/TabManagerUnitTests.swift:
- Around line 2232-2234: In the close-outcome test, replace the three
`drainMainQueue()` calls with XCTest expectations tied to the actual events:
signal the rejected retry through `VetoingCloseBonsplitDelegate`, and fulfill an
expectation in the later confirmation callback. Wait for these expectations
before asserting prompt counts so each assertion follows the outcome it checks.
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Sources/Workspace.swiftcmuxTests/TabManagerUnitTests.swift
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… test Signal the vetoed retry from the test delegate, wait for the confirmation session to end, and fulfill an expectation from the second prompt, so each assertion follows the event it checks. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01FsxA6uRfPk8v6h673Dx5N1
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Thank you @tk1475! :D |
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rustybret
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Oct 8, 2026
29661b9 gh-merge-green: allow explicit Vercel status override (manaflow-ai#18614) dd6e295 fix: preserve SSH ProxyCommand child environment (manaflow-ai#18285) f0a2bad Reject invalid Python regression-lane timeouts (manaflow-ai#18476) 3430354 Preserve PR media referenced through GitHub blob URLs (manaflow-ai#18562) 3b71b41 Reset a browser pane's selected frame and element refs when the page navigates (manaflow-ai#18577) 04e1d68 Clear force-close bypass when a confirmed close is rejected (manaflow-ai#18414) 8d86447 Treat Copilot value flags as value options when restoring (manaflow-ai#18470) f6c678a Keep __proto__ keys in whole-area browser storage reads (manaflow-ai#18527) 7e97128 Keep minimized windows in the Dock when the global hotkey reveals cmux (manaflow-ai#18533)
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Summary
When a tab-close warning is confirmed, the retry in
splitTabBar(_:shouldCloseTab:inPane:)inserts the tab intoforceCloseTabIdsand callsbonsplitController.closeTabdirectly, ignoring the result. The entry is normally cleared insplitTabBar(_:didCloseTab:fromPane:), which never runs for a rejected close. The stale entry then lets the next close of the still-open tab skip the warning.The retry now removes the entry when
closeTabreturnsfalse, the same cleanuprequestCloseTabalready does.Fixes #16085
Testing
testRejectedConfirmedCloseDoesNotLeaveWarningBypasstoTabManagerCloseCurrentPanelTests. It accepts the first warning, swaps in a Bonsplit delegate that vetoes the confirmed retry so the tab stays open, then restores the workspace delegate, closes again, and expects a second prompt with the tab still open.1prompt instead of2, and the tab closes without a warning). With the fix it passes.xcodebuild test -scheme cmux-unit -only-testing:cmuxTests/TabManagerCloseCurrentPanelTests: 25 tests, 0 failures.Changelog
Fixed: Closing a tab again after a confirmed close was rejected now shows the close warning instead of skipping it
Checklist
🤖 Generated with Claude Code
https://claude.ai/code/session_01FsxA6uRfPk8v6h673Dx5N1
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@codesmith-botwith what you need. Autofix is disabled.Summary by cubic
Fixes a bug where a tab would skip the close warning if the previous confirmed close was rejected by Bonsplit. The force-close bypass entry is now cleared when
closeTabreturns false, matching the cleanup already done inrequestCloseTab. Closes #16085.Bug Fixes
forceCloseTabIdsentry when a confirmed close is rejected, so the next close of the still-open tab prompts the warning again.Testing
testRejectedConfirmedCloseDoesNotLeaveWarningBypass, which vetoes the confirmed retry, then closes again and expects a second prompt. The test fails with the fix reverted.Written for commit b06b4e3. Summary will update on new commits.
Note
Low Risk
Small, targeted change to tab-close confirmation cleanup with a regression test; no auth, data, or broad behavioral surface beyond close-warning bypass state.
Overview
Fixes a bug where confirming a tab-close warning could still leave a force-close bypass active if Bonsplit rejected the retry, so the next close of the same open tab skipped the warning.
After the user accepts the prompt,
splitTabBar(_:shouldCloseTab:inPane:)still adds the tab toforceCloseTabIdsand retries viabonsplitController.closeTab, but it now removes that entry whencloseTabreturnsfalse, matching cleanup already done inrequestCloseTaband whatdidCloseTabwould do on success.Adds
testRejectedConfirmedCloseDoesNotLeaveWarningBypasswith a vetoingBonsplitDelegateto assert a second close prompts again while the tab stays open.Reviewed by Cursor Bugbot for commit b06b4e3. Bugbot is set up for automated code reviews on this repo. Configure here.
Summary by CodeRabbit