$ git clone -n https://gitee.com/src-opencloudos-rpms/sysstat.git /var/lib/mock/dist-oc8-build-81645-55550/root/chroot_tmpdir/scmroot/sysstat
Cloning into '/var/lib/mock/dist-oc8-build-81645-55550/root/chroot_tmpdir/scmroot/sysstat'...
$ git fetch origin 835b3ff8325f714bf038064cbc7c9efbf94ff2b5:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/sysstat
 * [new ref]         835b3ff8325f714bf038064cbc7c9efbf94ff2b5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 835b3ff import sysstat-11.7.3-13.tl3