$ git clone -n https://src.fedoraproject.org/rpms/moodle.git /var/lib/mock/f42-build-side-1-3583050-46887/root/chroot_tmpdir/scmroot/moodle
Cloning into '/var/lib/mock/f42-build-side-1-3583050-46887/root/chroot_tmpdir/scmroot/moodle'...
$ git fetch origin cdd5ca7d7dacafe4a869891b97bbec35ee4952e0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/moodle
 * [new ref]         cdd5ca7d7dacafe4a869891b97bbec35ee4952e0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cdd5ca7 4.5.5