Artifact 230c2bbebec1eadb18d283d2130d148963d987edace55553bfe9c318e4e7210f:
LogIndexStore keeps a shunned holding in its enumeration and MASKS it rather than removing it, so a shun row appended between two rounds of one clone cannot renumber the survivors under the pager's cursor. held() answers false, the name leaves by_name, and SS9.5's 'igot for every eligible holding after the SS3.3 filters' is where that mask lives.
The plan overstated what was missing. S1's log-level mask already nulled content and wire, so a clone silently skipped a shunned artifact before this slice. What was actually broken is narrower and worse: because by_name still resolved the name, emitCloneReply's basis proof fired in a safety build and the SERVE PROCESS PANICKED -- a fossil clone got 'server did not reply', not an absent artifact. Reproduced against fossil 2.28 and pinned as smoke S9.
That also means the planned e2e ('a clone does not receive it') was never mutation-sensitive: it passes with this slice fully removed. The observable that pins the slice is the ABSENCE of an igot card naming a shunned artifact in a non-clone round's inventory walk, which now has its own test and a second round in the raw-HTTP e2e case.
Smoke uses a defer-shunned fixture, not the planned packed one: pack rebuilds the delta chains and so removes the exact hazard the check exists to catch.
logstore.zig carries a comment-only change: LogStore.shunned's doc claimed two questions were open that S4 and S5 have since closed. by dmestas on 2026-07-30 10:34:15.
C shun\sS4:\sstop\sadvertising\swhat\sthe\sshun\stable\snames\n\nLogIndexStore\skeeps\sa\sshunned\sholding\sin\sits\senumeration\sand\sMASKS\sit\srather\nthan\sremoving\sit,\sso\sa\sshun\srow\sappended\sbetween\stwo\srounds\sof\sone\sclone\scannot\nrenumber\sthe\ssurvivors\sunder\sthe\spager's\scursor.\sheld()\sanswers\sfalse,\sthe\sname\nleaves\sby_name,\sand\sSS9.5's\s'igot\sfor\severy\seligible\sholding\safter\sthe\sSS3.3\nfilters'\sis\swhere\sthat\smask\slives.\n\nThe\splan\soverstated\swhat\swas\smissing.\sS1's\slog-level\smask\salready\snulled\ncontent\sand\swire,\sso\sa\sclone\ssilently\sskipped\sa\sshunned\sartifact\sbefore\sthis\nslice.\sWhat\swas\sactually\sbroken\sis\snarrower\sand\sworse:\sbecause\sby_name\sstill\nresolved\sthe\sname,\semitCloneReply's\sbasis\sproof\sfired\sin\sa\ssafety\sbuild\sand\sthe\nSERVE\sPROCESS\sPANICKED\s--\sa\sfossil\sclone\sgot\s'server\sdid\snot\sreply',\snot\san\nabsent\sartifact.\sReproduced\sagainst\sfossil\s2.28\sand\spinned\sas\ssmoke\sS9.\n\nThat\salso\smeans\sthe\splanned\se2e\s('a\sclone\sdoes\snot\sreceive\sit')\swas\snever\nmutation-sensitive:\sit\spasses\swith\sthis\sslice\sfully\sremoved.\sThe\sobservable\nthat\spins\sthe\sslice\sis\sthe\sABSENCE\sof\san\sigot\scard\snaming\sa\sshunned\sartifact\sin\na\snon-clone\sround's\sinventory\swalk,\swhich\snow\shas\sits\sown\stest\sand\sa\ssecond\nround\sin\sthe\sraw-HTTP\se2e\scase.\n\nSmoke\suses\sa\sdefer-shunned\sfixture,\snot\sthe\splanned\spacked\sone:\spack\srebuilds\nthe\sdelta\schains\sand\sso\sremoves\sthe\sexact\shazard\sthe\scheck\sexists\sto\scatch.\n\nlogstore.zig\scarries\sa\scomment-only\schange:\sLogStore.shunned's\sdoc\sclaimed\stwo\nquestions\swere\sopen\sthat\sS4\sand\sS5\shave\ssince\sclosed.
D 2026-07-30T10:34:15.673
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F src/update.zig 743e89fa2a007ca980f23a55f26d14befe3635d387458a2b58b67edfa03ab65c
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P be67814135cf2f7e63b639286e25a4b0551f8d2444509a2be6e97de99213fd97
R 9b74553196d82ddcb631968b8097ed99
U dmestas
Z 83f9e0d1ba403d3d1c12828aecb8c3f4