$ git clone -n https://gitee.com/ocs-bot/arpwatch.git /var/lib/mock/dist-ocs23-build-173052-10848/root/chroot_tmpdir/scmroot/arpwatch
Cloning into '/var/lib/mock/dist-ocs23-build-173052-10848/root/chroot_tmpdir/scmroot/arpwatch'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/ocs-bot/arpwatch
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 57a574d Upgrade to version 3.6