$ git clone -n https://src.fedoraproject.org/rpms/smb4k.git /var/lib/mock/f40-build-2614032-64107/root/chroot_tmpdir/scmroot/smb4k
Cloning into '/var/lib/mock/f40-build-2614032-64107/root/chroot_tmpdir/scmroot/smb4k'...
$ git fetch origin ffdfcf6b83cb43fbf21c7ef47af91568dbd15793:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/smb4k
 * [new ref]         ffdfcf6b83cb43fbf21c7ef47af91568dbd15793 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ffdfcf6 [packit] 3.2.5 upstream release