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ww: invalidate partial package commits

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Hojun-Cho
2026-08-14 05:12:45 +09:00
parent 402f50ac8d
commit 351f4a25bc
5 changed files with 282 additions and 17 deletions
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12
docs/build-system.md
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@@ -4558,7 +4558,17 @@ loader-owned deterministic error before producers. Compiler-owned scope or use
errors may invoke the compiler, but the driver removes that action's staged
`.new` unit/export/assembly/object/archive files instead of renaming them. No
completion/status marker is written, and no publication occurs after a failed
compile.
compile. If an artifact rename itself fails after an earlier rename has
published part of a new generation, the driver removes every committed unit
voucher as well as the remaining staged files. Before the first artifact
rename, it must successfully remove the workdir identity stamp; failure is a
pre-commit rejection that leaves the prior artifact generation untouched. The
stamp remains absent after any partial commit, and later actions in that
invocation cannot take the freshness shortcut. Each non-reusable action also
loses its old unit voucher before its producers run. The next request must
therefore rebuild the incomplete action set and reconsider direct importers; a
partly replaced `.wwi` or a failed importer can never make an old importer
voucher look fresh.
Package kind follows the declaration. `package main`, not a path component,
marks a command. A path ending in `main` remains importable when it declares a

7
docs/test-system-v2.md
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@@ -236,7 +236,12 @@ union; command and production/internal/external/generated-main variants retain
canonical action ownership; vendor expansion changes identity but not the
declared qualifier; compiler argv contains only direct `.wwi` inputs; and its
named rejected actions leave neither committed nor staged action artifacts or a
published binary. Together with the existing directory, recursive, vendor,
published binary. It also forces a staged multi-artifact commit to fail after
the interface rename, then proves that both stages invalidate old unit vouchers
and reconsider the importer rather than accepting a mixed warm generation. A
separate injected stamp-removal failure proves the pre-commit gate leaves all
previously committed artifacts byte-identical.
Together with the existing directory, recursive, vendor,
exact-argv, command, and persistent-workdir observers, the package suite proves
archive-only link argv and exact warm/rejection-state behavior without
duplicating those broader mechanisms in this observer.