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Merge pull request #11423 from DeterminateSystems/ignore-stale-submodules

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Git fetcher: Ignore .gitmodules entries that are not submodules
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Robert Hensing 2024-09-12 18:14:18 +02:00 • committed by GitHub
commit bbef37b4a6
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2 changed files with 33 additions and 6 deletions
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18
src/libfetchers/git-utils.cc
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@ -601,12 +601,16 @@ struct GitSourceAccessor : SourceAccessor
return readBlob(path, true);
}
Hash getSubmoduleRev(const CanonPath & path)
/**
* If `path` exists and is a submodule, return its
* revision. Otherwise return nothing.
*/
std::optional<Hash> getSubmoduleRev(const CanonPath & path)
{
auto entry = need(path);
auto entry = lookup(path);
if (git_tree_entry_type(entry) != GIT_OBJECT_COMMIT)
throw Error("'%s' is not a submodule", showPath(path));
if (!entry || git_tree_entry_type(entry) != GIT_OBJECT_COMMIT)
return std::nullopt;
return toHash(*git_tree_entry_id(entry));
}
@ -1074,8 +1078,10 @@ std::vector<std::tuple<GitRepoImpl::Submodule, Hash>> GitRepoImpl::getSubmodules
auto rawAccessor = getRawAccessor(rev);
for (auto & submodule : parseSubmodules(pathTemp)) {
auto rev = rawAccessor->getSubmoduleRev(submodule.path);
result.push_back({std::move(submodule), rev});
/* Filter out .gitmodules entries that don't exist or are not
submodules. */
if (auto rev = rawAccessor->getSubmoduleRev(submodule.path))
result.push_back({std::move(submodule), *rev});
}
return result;