$ git clone -n https://gitee.com/zhaohang_mskdxl/rubygem-mysql2.git /var/lib/mock/dist-an8.9-build-381389-71837/root/chroot_tmpdir/scmroot/rubygem-mysql2
Cloning into '/var/lib/mock/dist-an8.9-build-381389-71837/root/chroot_tmpdir/scmroot/rubygem-mysql2'...
$ git fetch origin a8-ruby-stream-3.0:KOJI_FETCH_HEAD
From https://gitee.com/zhaohang_mskdxl/rubygem-mysql2
 * [new branch]      a8-ruby-stream-3.0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9087d22 update unit test