$ git clone -n https://gitee.com/opencloudos-stream/llvm.git /var/lib/mock/dist-ocs23-riscv-rva23-build-361300-42968/root/chroot_tmpdir/scmroot/llvm
Cloning into '/var/lib/mock/dist-ocs23-riscv-rva23-build-361300-42968/root/chroot_tmpdir/scmroot/llvm'...
$ git fetch origin 4a7f25865415f31a51376bb631cc9c69485085cb:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/llvm
 * [new ref]         4a7f25865415f31a51376bb631cc9c69485085cb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4a7f258 riscv64: enable LLVM dylib; only disable LTO on riscv64