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ww test: allow -c with persistent workdirs

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Hojun-Cho
2026-08-20 20:40:01 +09:00
parent db5782eff9
commit 77168fd891
5 changed files with 66 additions and 45 deletions
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docs/build-system.md
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@@ -6286,11 +6286,11 @@ transaction prevents partial sibling publication and canonical result emission
order remains unchanged. Direct invocation of a retained binary continues to
inherit caller cwd, environment, and separate standard descriptors.
`-o` can accompany `-w`: unchanged semantic actions are reused, changed source
invalidates the applicable test actions, the always-run link refreshes the
private runnable and retained copy, and the test still runs. This is build
reuse, not a result cache. `-c` retains its established incompatibility with
`-w`; this slice does not invent persistent compile-only ownership.
`-c` and `-o` can accompany `-w`: the workdir owns only semantic actions while
the invocation/output path owns only the retained copy. Unchanged actions are
reused, changed source invalidates the applicable test actions, and the
always-run link refreshes the private runnable and retained copy. Only `-c`
suppresses execution. This is build reuse, not a result cache.
No persisted byte schema changed. Build workdir format remains `18`, test
workdir format remains `19`, and semantic storage remains `3`.