diff options
| -rw-r--r-- | src/libfetchers/github.cc | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/libfetchers/github.cc b/src/libfetchers/github.cc index 6f997885d..3129e0d73 100644 --- a/src/libfetchers/github.cc +++ b/src/libfetchers/github.cc @@ -322,9 +322,15 @@ struct GitLabInputScheme : GitArchiveInputScheme readFile( store->toRealPath( downloadFile(store, url, "source", false, headers).storePath))); - auto rev = Hash::parseAny(std::string(json[0]["id"]), htSHA1); - debug("HEAD revision for '%s' is %s", url, rev.gitRev()); - return rev; + if (json.is_array() && json.size() == 1 && json[0]["id"] != nullptr) { + auto rev = Hash::parseAny(std::string(json[0]["id"]), htSHA1); + debug("HEAD revision for '%s' is %s", url, rev.gitRev()); + return rev; + } else if (json.is_array() && json.size() == 0) { + throw Error("No commits returned by GitLab API -- does the ref really exist?"); + } else { + throw Error("Didn't know what to do with response from GitLab: %s", json); + } } DownloadUrl getDownloadUrl(const Input & input) const override |