$ git clone -n https://gitee.com/opencloudos-stream/gcc.git /home/lib/mock/dist-ocs23-base-build-323912-34624/root/chroot_tmpdir/scmroot/gcc
正克隆到 '/home/lib/mock/dist-ocs23-base-build-323912-34624/root/chroot_tmpdir/scmroot/gcc'...
$ git fetch origin master:KOJI_FETCH_HEAD
来自 https://gitee.com/opencloudos-stream/gcc
 * [新分支]          master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD 现在位于 b23be68 !23 fixed issue ICUFG9 and ICUFGB Merge pull request !23 from jeremiazhao/master