$ git clone -n https://src.fedoraproject.org/rpms/kf6-kmoretools.git /var/lib/mock/f40-build-744332-111607/root/chroot_tmpdir/scmroot/kf6-kmoretools
Cloning into '/var/lib/mock/f40-build-744332-111607/root/chroot_tmpdir/scmroot/kf6-kmoretools'...
$ git fetch origin b291cd7ba1bb6d78b30a6337d910619ff15e29dc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kmoretools
 * [new ref]         b291cd7ba1bb6d78b30a6337d910619ff15e29dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b291cd7 Initial import (fedora#2243418).