$ git clone -n https://gitee.com/src-opencloudos-rpms/memstrack /var/lib/mock/dist-oc8-build-58004-15846/root/chroot_tmpdir/scmroot/memstrack
Cloning into '/var/lib/mock/dist-oc8-build-58004-15846/root/chroot_tmpdir/scmroot/memstrack'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/memstrack
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 90356bd import memstrack-0.2.5-2.tl3