$ git clone -n https://gitee.com/opencloudos-stream/snappy.git /var/lib/mock/dist-ocs23-base-build-350126-38961/root/chroot_tmpdir/scmroot/snappy
Cloning into '/var/lib/mock/dist-ocs23-base-build-350126-38961/root/chroot_tmpdir/scmroot/snappy'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/snappy
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b5751ff !4 Enable benchmark build Merge pull request !4 from xionghuluo/master