$ git clone -n https://src.fedoraproject.org/rpms/rsync.git /var/lib/mock/f40-build-2232617-53341/root/chroot_tmpdir/scmroot/rsync
Cloning into '/var/lib/mock/f40-build-2232617-53341/root/chroot_tmpdir/scmroot/rsync'...
$ git fetch origin 06d55616ec86c3a68a8af917783788b928fefcc4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rsync
 * [new ref]         06d55616ec86c3a68a8af917783788b928fefcc4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 06d5561 Resolves: #2229654 - rsync - buffer overflow detected