$ git clone -n https://gitee.com/opencloudos-stream/clang.git /var/lib/mock/dist-ocs23-build-120497-8676/root/chroot_tmpdir/scmroot/clang
Cloning into '/var/lib/mock/dist-ocs23-build-120497-8676/root/chroot_tmpdir/scmroot/clang'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/clang
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f97aaed !2 【软件升级】 [clang] 可升级至 [17.0.6] Merge pull request !2 from luochenglcs/master