$ git clone -n https://src.fedoraproject.org/rpms/planets.git /var/lib/mock/f31-build-91647-32329/root/chroot_tmpdir/scmroot/planets
Cloning into '/var/lib/mock/f31-build-91647-32329/root/chroot_tmpdir/scmroot/planets'...
$ git reset --hard 4502716e9bb1825326080b4901b2b618ea9d7b90
HEAD is now at 4502716 Fix FTBFS.