$ git clone -n https://gitee.com/src-opencloudos-rpms/memstrack.git /var/lib/mock/dist-oc9-build-70793-47472/root/chroot_tmpdir/scmroot/memstrack
Cloning into '/var/lib/mock/dist-oc9-build-70793-47472/root/chroot_tmpdir/scmroot/memstrack'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/memstrack
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ef91e1d import memstrack-0.2.5-1.tl4