$ git clone -n https://src.fedoraproject.org/rpms/kf6-kdeclarative.git /var/lib/mock/f41-build-858188-168325/root/chroot_tmpdir/scmroot/kf6-kdeclarative
Cloning into '/var/lib/mock/f41-build-858188-168325/root/chroot_tmpdir/scmroot/kf6-kdeclarative'...
$ git fetch origin dbe4f930bcb209493767c821bad7a1b7052a06c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kdeclarative
 * [new ref]         dbe4f930bcb209493767c821bad7a1b7052a06c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dbe4f93 6.7.0