$ git clone -n https://gitee.com/opencloudos-stream/llvm.git /var/lib/mock/dist-rebuild-after-rpm-check-build-166757-10274/root/chroot_tmpdir/scmroot/llvm
Cloning into '/var/lib/mock/dist-rebuild-after-rpm-check-build-166757-10274/root/chroot_tmpdir/scmroot/llvm'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/llvm
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5ee372b !4 Fix CVE-2023-46049 Merge pull request !4 from rockerzhu/master