Add support for bare git repositories with git+file

Local git repositories are normally used directly instead of
cloning. This commit checks if a repo is bare and forces a
clone.

Co-authored-by: Théophane Hufschmitt <regnat@users.noreply.github.com>
This commit is contained in:
Kjetil Orbekk 2021-02-21 11:08:28 -05:00
parent e64cf8e0a3
commit 9931f18c2d

View file

@ -153,12 +153,14 @@ struct GitInputScheme : InputScheme
std::pair<bool, std::string> getActualUrl(const Input & input) const
{
// Don't clone file:// URIs (but otherwise treat them the
// same as remote URIs, i.e. don't use the working tree or
// HEAD).
// file:// URIs are normally not cloned (but otherwise treated the
// same as remote URIs, i.e. we don't use the working tree or
// HEAD). Exception: If _NIX_FORCE_HTTP is set, or the repo is a bare git
// repo, treat as a remote URI to force a clone.
static bool forceHttp = getEnv("_NIX_FORCE_HTTP") == "1"; // for testing
auto url = parseURL(getStrAttr(input.attrs, "url"));
bool isLocal = url.scheme == "file" && !forceHttp;
bool isBareRepository = url.scheme == "file" && !pathExists(url.path + "/.git");
bool isLocal = url.scheme == "file" && !forceHttp && !isBareRepository;
return {isLocal, isLocal ? url.path : url.base};
}