$ git clone -n https://gitee.com/opencloudos-stream/tcpdump.git /var/lib/mock/dist-ocs23-loongarch64-build-143620-9765/root/chroot_tmpdir/scmroot/tcpdump
Cloning into '/var/lib/mock/dist-ocs23-loongarch64-build-143620-9765/root/chroot_tmpdir/scmroot/tcpdump'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/tcpdump
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e99289c !1 【自动升级】tcpdump 4.99.4 Merge pull request !1 from ocs-bot/master