$ git clone -n https://src.fedoraproject.org/rpms/json-glib.git /var/lib/mock/f31-build-56055-28177/root/thebuilddir/tmp/scmroot/json-glib
Cloning into '/var/lib/mock/f31-build-56055-28177/root/thebuilddir/tmp/scmroot/json-glib'...
$ git reset --hard 212a68d590be0aa0ae44870fc047f6e7af710a49
HEAD is now at 212a68d - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild