$ git clone -n https://gitee.com/fundawang/llvm15.git /var/lib/mock/dist-an23-build-248449-63249/root/chroot_tmpdir/scmroot/llvm15
Cloning into '/var/lib/mock/dist-an23-build-248449-63249/root/chroot_tmpdir/scmroot/llvm15'...
$ git reset --hard 176a6e65599239f7ae8f1bfcfefe8fccf2ab6416
HEAD is now at 176a6e6 Drop conflicts with llvm-libs