Artifact 89ef496c3be34e847641ff93a6723ff4935f5aa9865051087e5b88d297f84668:
Three checkout-and-history CLI verbs, each built to its B-verb contract and RFC oracle, each gated green (unit + e2e) before commit:
- timeline: list every check-in newest-first by event.mtime with an ascending full-hash tiebreak (repo-state §2, §8.3 item 7), merge check-ins marked M (§3.2), each on its branch with the configured main-branch fallback (§6.1/§6.4). - mv OLD NEW: rename a tracked file, moving it on disk and swapping the managed entry atomically; refuses (exit 1) an untracked OLD, an existing/tracked NEW, or a self-move; the rename records a one-shot NEW three-token on the next commit. - undo / redo: journal each sheltered mutation's pre-image (fsynced before the mutation) so update/revert are reversible; a corrupt or empty journal is a clean exit 1 with no partial restore.
Slice partial: extras, clean, and merge were not completed this run. Full unit + e2e green on the merged trunk. by dmestas on 2026-07-17 22:08:50.
C Merge\snext-verbs:\stimeline,\smv,\sand\sundo/redo\n\nThree\scheckout-and-history\sCLI\sverbs,\seach\sbuilt\sto\sits\sB-verb\scontract\sand\nRFC\soracle,\seach\sgated\sgreen\s(unit\s+\se2e)\sbefore\scommit:\n\n-\stimeline:\slist\severy\scheck-in\snewest-first\sby\sevent.mtime\swith\san\sascending\n\s\sfull-hash\stiebreak\s(repo-state\s§2,\s§8.3\sitem\s7),\smerge\scheck-ins\smarked\sM\n\s\s(§3.2),\seach\son\sits\sbranch\swith\sthe\sconfigured\smain-branch\sfallback\s(§6.1/§6.4).\n-\smv\sOLD\sNEW:\srename\sa\stracked\sfile,\smoving\sit\son\sdisk\sand\sswapping\sthe\smanaged\n\s\sentry\satomically;\srefuses\s(exit\s1)\san\suntracked\sOLD,\san\sexisting/tracked\sNEW,\n\s\sor\sa\sself-move;\sthe\srename\srecords\sa\sone-shot\sNEW\sthree-token\son\sthe\snext\scommit.\n-\sundo\s/\sredo:\sjournal\seach\ssheltered\smutation's\spre-image\s(fsynced\sbefore\sthe\n\s\smutation)\sso\supdate/revert\sare\sreversible;\sa\scorrupt\sor\sempty\sjournal\sis\sa\n\s\sclean\sexit\s1\swith\sno\spartial\srestore.\n\nSlice\spartial:\sextras,\sclean,\sand\smerge\swere\snot\scompleted\sthis\srun.\sFull\sunit\n+\se2e\sgreen\son\sthe\smerged\strunk. 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ca0d217eee743dadaa0484694800f6c6 U dmestas Z 7fbfc519a4fdac4044930462fe36b9f2