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GitRepoImpl::getSubmodules: Access getSubmoduleRev without cast

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This will be needed because the accessor will be wrapped, and therefore
not be an instance of GitInputAccessor anymore.
This commit is contained in:
Robert Hensing 2023-12-11 19:30:10 +01:00
parent f6b1d15580
commit cd5e752fa7
1 changed files with 16 additions and 1 deletions
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17
src/libfetchers/git-utils.cc
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@ -52,6 +52,8 @@ bool operator == (const git_oid & oid1, const git_oid & oid2)
namespace nix {
struct GitInputAccessor;
// Some wrapper types that ensure that the git_*_free functions get called.
template<auto del>
struct Deleter
@ -342,6 +344,11 @@ struct GitRepoImpl : GitRepo, std::enable_shared_from_this<GitRepoImpl>
return true;
}
/**
* A 'GitInputAccessor' with no regard for export-ignore or any other transformations.
*/
ref<GitInputAccessor> getRawAccessor(const Hash & rev);
ref<InputAccessor> getAccessor(const Hash & rev, bool exportIgnore) override;
static int sidebandProgressCallback(const char * str, int len, void * payload)
@ -685,6 +692,12 @@ struct GitInputAccessor : InputAccessor
}
};
ref<GitInputAccessor> GitRepoImpl::getRawAccessor(const Hash & rev)
{
auto self = ref<GitRepoImpl>(shared_from_this());
return make_ref<GitInputAccessor>(self, rev);
}
ref<InputAccessor> GitRepoImpl::getAccessor(const Hash & rev, bool exportIgnore)
{
return make_ref<GitInputAccessor>(ref<GitRepoImpl>(shared_from_this()), rev, exportIgnore);
@ -706,8 +719,10 @@ std::vector<std::tuple<GitRepoImpl::Submodule, Hash>> GitRepoImpl::getSubmodules
std::vector<std::tuple<Submodule, Hash>> result;
auto rawAccessor = getRawAccessor(rev);
for (auto & submodule : parseSubmodules(CanonPath(pathTemp))) {
auto rev = accessor.dynamic_pointer_cast<GitInputAccessor>()->getSubmoduleRev(submodule.path);
auto rev = rawAccessor->getSubmoduleRev(submodule.path);
result.push_back({std::move(submodule), rev});
}