$ git clone -n https://src.fedoraproject.org/rpms/se-sandbox-runner.git /var/lib/mock/f31-build-67570-30059/root/chroot_tmpdir/scmroot/se-sandbox-runner
Cloning into '/var/lib/mock/f31-build-67570-30059/root/chroot_tmpdir/scmroot/se-sandbox-runner'...
$ git reset --hard c62878a074664e0608cb4619616780bcd3d195d1
HEAD is now at c62878a - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild