wroclaw-git-backups/nix
1
0
Fork 0
mirror of https://github.com/NixOS/nix synced 2025-06-25 10:41:16 +02:00
Code Activity

Split tarball-specific logic from GitFileSystemObjectSink

Browse source
This commit is contained in:
Eelco Dolstra 2024-07-29 14:26:25 +02:00
parent 5e83c0427f
commit e0012b97ab
5 changed files with 37 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

33
src/libfetchers/git-utils.cc
View file

@ -486,6 +486,24 @@ struct GitRepoImpl : GitRepo, std::enable_shared_from_this<GitRepoImpl>
return narHash;
}
Hash dereferenceSingletonDirectory(const Hash & oid_) override
{
auto oid = hashToOID(oid_);
/* If the root directory contains */
auto _tree = lookupObject(*this, oid, GIT_OBJECT_TREE);
auto tree = (const git_tree *) &*_tree;
if (git_tree_entrycount(tree) == 1) {
auto entry = git_tree_entry_byindex(tree, 0);
auto mode = git_tree_entry_filemode(entry);
if (mode == GIT_FILEMODE_BLOB || mode == GIT_FILEMODE_TREE)
oid = *git_tree_entry_id(entry);
}
return toHash(oid);
}
};
ref<GitRepo> GitRepo::openRepo(const std::filesystem::path & path, bool create, bool bare)
@ -991,21 +1009,6 @@ struct GitFileSystemObjectSinkImpl : GitFileSystemObjectSink
auto [oid, _name] = popBuilder();
/* If the root directory contains a single entry that is a
directory or a non-executable regular file, return that as
the top-level object. We don't do this for executables
because they don't have a tree hash in the Git object
model. */
auto _tree = lookupObject(*repo, oid, GIT_OBJECT_TREE);
auto tree = (const git_tree *) &*_tree;
if (git_tree_entrycount(tree) == 1) {
auto entry = git_tree_entry_byindex(tree, 0);
auto mode = git_tree_entry_filemode(entry);
if (mode == GIT_FILEMODE_BLOB || mode == GIT_FILEMODE_TREE)
oid = *git_tree_entry_id(entry);
}
return toHash(oid);
}
};