$ git clone -n https://src.fedoraproject.org/rpms/libgdata.git /var/lib/mock/f29-build-6287-1536/root/thebuilddir/tmp/scmroot/libgdata
Cloning into '/var/lib/mock/f29-build-6287-1536/root/thebuilddir/tmp/scmroot/libgdata'...
$ git reset --hard 9a7fff9d1e1731c4549e20e95051dfcd1c4ed769
HEAD is now at 9a7fff9 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild