$ git clone -n https://gitee.com/opencloudos-stream/mysql.git /var/lib/mock/dist-ocs23-base-build-358686-41784/root/chroot_tmpdir/scmroot/mysql
Cloning into '/var/lib/mock/dist-ocs23-base-build-358686-41784/root/chroot_tmpdir/scmroot/mysql'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/mysql
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e198929 !20 mysql.spec: set CMake RelWithDebInfo C/CXX FLAGS Merge pull request !20 from xionghuluo/master