$ git clone -n https://gitee.com/fundawang/llvm.git /var/lib/mock/dist-an23-build-214601-61982/root/chroot_tmpdir/scmroot/llvm
Cloning into '/var/lib/mock/dist-an23-build-214601-61982/root/chroot_tmpdir/scmroot/llvm'...
$ git reset --hard 86a0624fe84db313c280e8d18b3a6da566428446
HEAD is now at 86a0624 Rebuild with clang 15