$ git clone -n http://fedora.riscv.rocks:3000/rpms/libcxx.git /var/lib/mock/f37-build-643163-72108/root/chroot_tmpdir/scmroot/libcxx
Cloning into '/var/lib/mock/f37-build-643163-72108/root/chroot_tmpdir/scmroot/libcxx'...
$ git reset --hard 189e2a0f8312612c684c38b06c86e70872fbfe68
HEAD is now at 189e2a0 Disable debug packages for now