$ git clone -n https://gitee.com/opencloudos-stream/llvm.git /home/lib/mock/dist-ocs23-base-build-325389-34857/root/chroot_tmpdir/scmroot/llvm
正克隆到 '/home/lib/mock/dist-ocs23-base-build-325389-34857/root/chroot_tmpdir/scmroot/llvm'...
$ git fetch origin master:KOJI_FETCH_HEAD
来自 https://gitee.com/opencloudos-stream/llvm
 * [新分支]          master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD 现在位于 c855c89 !13 LoongArch: Add support for RuntimeDyld Merge pull request !13 from llvm-la/mcjit