$ git clone -n https://src.fedoraproject.org/rpms/xmakemol.git /var/lib/mock/f40-build-805297-144747/root/chroot_tmpdir/scmroot/xmakemol
Cloning into '/var/lib/mock/f40-build-805297-144747/root/chroot_tmpdir/scmroot/xmakemol'...
$ git fetch origin 71131b91e3e371b2f72466301530b70dbbd51601:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xmakemol
 * [new ref]         71131b91e3e371b2f72466301530b70dbbd51601 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 71131b9 need to patch another file too