$ git clone -n https://src.fedoraproject.org/rpms/libfilezilla.git /var/lib/mock/f45-build-16164-483/root/chroot_tmpdir/scmroot/libfilezilla
Cloning into '/var/lib/mock/f45-build-16164-483/root/chroot_tmpdir/scmroot/libfilezilla'...
$ git fetch origin d9ca2b6ae17d6398c0af46a5c9d42740628eabff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libfilezilla
 * [new ref]         d9ca2b6ae17d6398c0af46a5c9d42740628eabff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d9ca2b6 0.56.1