$ git clone -n https://src.fedoraproject.org/rpms/kigo.git /var/lib/mock/f42-build-880757-182995/root/chroot_tmpdir/scmroot/kigo
Cloning into '/var/lib/mock/f42-build-880757-182995/root/chroot_tmpdir/scmroot/kigo'...
$ git fetch origin 51b025bba94df5258e83797501ada104e300f775:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kigo
 * [new ref]         51b025bba94df5258e83797501ada104e300f775 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 51b025b Rebuild for ppc64le enablement