$ git clone -n https://src.fedoraproject.org/rpms/cloc.git /var/lib/mock/f45-build-4947-336/root/chroot_tmpdir/scmroot/cloc
Cloning into '/var/lib/mock/f45-build-4947-336/root/chroot_tmpdir/scmroot/cloc'...
$ git fetch origin cd399e54325aafb98a95c4763abba8b6fe72f187:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cloc
 * [new ref]         cd399e54325aafb98a95c4763abba8b6fe72f187 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd399e5 Update to 2.10 - Closes rhbz#2497088