$ git clone -n https://gitee.com/opencloudos-stream/libcxx.git /var/lib/mock/dist-ocs23-loongarch64-build-139813-9626/root/chroot_tmpdir/scmroot/libcxx
正克隆到 '/var/lib/mock/dist-ocs23-loongarch64-build-139813-9626/root/chroot_tmpdir/scmroot/libcxx'...
$ git fetch origin master:KOJI_FETCH_HEAD
来自 https://gitee.com/opencloudos-stream/libcxx
 * [新分支]          master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD 现在位于 1f1ad0a !3 Fix supporting versions of C++ Merge pull request !3 from rockerzhu/master