$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-nq.git /var/lib/mock/f29-build-6841-1685/root/thebuilddir/tmp/scmroot/gap-pkg-nq
Cloning into '/var/lib/mock/f29-build-6841-1685/root/thebuilddir/tmp/scmroot/gap-pkg-nq'...
$ git reset --hard 1564d983e38c86947bc1fa4fcb8968a5059d47e3
HEAD is now at 1564d98 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild