$ git clone -n https://src.fedoraproject.org/rpms/kclock.git /var/lib/mock/f40-build-2241449-53664/root/chroot_tmpdir/scmroot/kclock
Cloning into '/var/lib/mock/f40-build-2241449-53664/root/chroot_tmpdir/scmroot/kclock'...
$ git fetch origin 8c6feae1ce4238ab174c763fb69621a255167135:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kclock
 * [new ref]         8c6feae1ce4238ab174c763fb69621a255167135 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c6feae 24.01.90