diff options
Diffstat (limited to 'src/libfetchers/git.cc')
| -rw-r--r-- | src/libfetchers/git.cc | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/libfetchers/git.cc b/src/libfetchers/git.cc index 81c647f89..b9a240b13 100644 --- a/src/libfetchers/git.cc +++ b/src/libfetchers/git.cc @@ -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}; } @@ -363,7 +365,9 @@ struct GitInputScheme : InputScheme ? "refs/*" : ref->compare(0, 5, "refs/") == 0 ? *ref - : "refs/heads/" + *ref; + : ref == "HEAD" + ? *ref + : "refs/heads/" + *ref; runProgram("git", true, { "-C", repoDir, "fetch", "--quiet", "--force", "--", actualUrl, fmt("%s:%s", fetchRef, fetchRef) }); } catch (Error & e) { if (!pathExists(localRefFile)) throw; |