$ git clone -n https://src.fedoraproject.org/rpms/python-landslide.git /var/lib/mock/f45-build-31317-651/root/chroot_tmpdir/scmroot/python-landslide
Cloning into '/var/lib/mock/f45-build-31317-651/root/chroot_tmpdir/scmroot/python-landslide'...
$ git fetch origin 3490755f81161a6f94f2344a18762c34a21ec9f0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-landslide
 * [new ref]         3490755f81161a6f94f2344a18762c34a21ec9f0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3490755 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild