$ git clone -n https://src.fedoraproject.org/rpms/freewrl.git /var/lib/mock/f45-build-9266-400/root/chroot_tmpdir/scmroot/freewrl
Cloning into '/var/lib/mock/f45-build-9266-400/root/chroot_tmpdir/scmroot/freewrl'...
$ git fetch origin 81453726bf84a764901e16b637345f85cca81529:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/freewrl
 * [new ref]         81453726bf84a764901e16b637345f85cca81529 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8145372 Rebuilt for libxml-2.5.4