$ git clone -n https://src.fedoraproject.org/rpms/cutter-re.git /var/lib/mock/f40-build-1915187-25086/root/chroot_tmpdir/scmroot/cutter-re
Cloning into '/var/lib/mock/f40-build-1915187-25086/root/chroot_tmpdir/scmroot/cutter-re'...
$ git fetch origin 3d9b5702894df8ac6ba5d61cb9415b46f3a18614:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cutter-re
 * [new ref]         3d9b5702894df8ac6ba5d61cb9415b46f3a18614 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3d9b570 Merge remote-tracking branch 'origin/rawhide' into f40