$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-ace.git /var/lib/mock/f37-build-649950-72752/root/chroot_tmpdir/scmroot/gap-pkg-ace
Cloning into '/var/lib/mock/f37-build-649950-72752/root/chroot_tmpdir/scmroot/gap-pkg-ace'...
$ git reset --hard f77716a1866c347b95cb234d440eea7f13a5528e
HEAD is now at f77716a Version 5.6.1.