$ git clone -n https://src.fedoraproject.org/rpms/sugar-physics.git /var/lib/mock/f45-build-36590-706/root/chroot_tmpdir/scmroot/sugar-physics
Cloning into '/var/lib/mock/f45-build-36590-706/root/chroot_tmpdir/scmroot/sugar-physics'...
$ git fetch origin d3b7287caccff419df2bd0890167a293423f0191:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sugar-physics
 * [new ref]         d3b7287caccff419df2bd0890167a293423f0191 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d3b7287 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild