$ git clone -n https://src.fedoraproject.org/rpms/kstart.git /var/lib/mock/f31-build-66510-29890/root/chroot_tmpdir/scmroot/kstart
Cloning into '/var/lib/mock/f31-build-66510-29890/root/chroot_tmpdir/scmroot/kstart'...
$ git reset --hard 16355d9a0b91d24b70d2b700a01d2f9bf1faa56f
HEAD is now at 16355d9 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild