$ git clone -n https://src.fedoraproject.org/rpms/libcxx.git /var/lib/mock/f37-build-side-32-misc-devel-321107-15197/root/chroot_tmpdir/scmroot/libcxx
Cloning into '/var/lib/mock/f37-build-side-32-misc-devel-321107-15197/root/chroot_tmpdir/scmroot/libcxx'...
$ git reset --hard 7feda4694264701579bef67127f8d2bf155741bb
HEAD is now at 7feda46 Update to LLVM 15.0.7