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SourceAccessor: Change the main interface from lstat() to maybeLstat()

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This commit is contained in:
Eelco Dolstra 2023-11-01 15:26:07 +01:00
parent 8ffd1695ce
commit cdb27c1519
9 changed files with 22 additions and 20 deletions
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4
src/libfetchers/memory-input-accessor.cc
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@ -20,12 +20,12 @@ struct MemoryInputAccessorImpl : MemoryInputAccessor
return i != files.end();
}
Stat lstat(const CanonPath & path) override
std::optional<Stat> maybeLstat(const CanonPath & path) override
{
auto i = files.find(path);
if (i != files.end())
return Stat { .type = tRegular, .isExecutable = false };
throw Error("file '%s' does not exist", path);
return std::nullopt;
}
DirEntries readDirectory(const CanonPath & path) override