$ git clone -n https://src.fedoraproject.org/rpms/kubrick.git /var/lib/mock/f39-build-1503930-34992/root/chroot_tmpdir/scmroot/kubrick
Cloning into '/var/lib/mock/f39-build-1503930-34992/root/chroot_tmpdir/scmroot/kubrick'...
$ git fetch origin 0304db2b0ccd3b9f4ea187c535626d036fe8ed74:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kubrick
 * [new ref]         0304db2b0ccd3b9f4ea187c535626d036fe8ed74 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0304db2 23.08.2