$ git clone -n https://src.fedoraproject.org/rpms/clifm.git /var/lib/mock/f39-build-1845160-42081/root/chroot_tmpdir/scmroot/clifm
Cloning into '/var/lib/mock/f39-build-1845160-42081/root/chroot_tmpdir/scmroot/clifm'...
$ git fetch origin 1df42c9acffcbb3bda2e3ae1697964f0ff503e96:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/clifm
 * [new ref]         1df42c9acffcbb3bda2e3ae1697964f0ff503e96 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1df42c9 update to 1.15