$ git clone -n http://fedora.riscv.rocks:3000/rpms/libcxx.git /var/lib/mock/f37-build-642952-72092/root/chroot_tmpdir/scmroot/libcxx
Cloning into '/var/lib/mock/f37-build-642952-72092/root/chroot_tmpdir/scmroot/libcxx'...
$ git reset --hard a52497ed28e3c5dc1704b2434c5ad01884972f5f
HEAD is now at a52497e Set Python3 path for bootstrap