$ git clone -n https://src.fedoraproject.org/rpms/ant.git /var/lib/mock/f40-build-2408914-60559/root/chroot_tmpdir/scmroot/ant
Cloning into '/var/lib/mock/f40-build-2408914-60559/root/chroot_tmpdir/scmroot/ant'...
$ git fetch origin 4cc59de76e8dc92731450989473f5ee0573f09df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ant
 * [new ref]         4cc59de76e8dc92731450989473f5ee0573f09df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4cc59de Switch to smoke tests from external git repo