$ git clone -n https://src.fedoraproject.org/rpms/libcxx.git /var/lib/mock/f33-build-633446-68682/root/chroot_tmpdir/scmroot/libcxx
Cloning into '/var/lib/mock/f33-build-633446-68682/root/chroot_tmpdir/scmroot/libcxx'...
$ git reset --hard 9914b756cc7ac7763c4e6a7b9a428fe7e91c809d
HEAD is now at 9914b75 Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild