$ git clone -n https://gitee.com/lizhao2025/tcpdump.git /var/lib/mock/dist-an23-build-497514-74608/root/chroot_tmpdir/scmroot/tcpdump
Cloning into '/var/lib/mock/dist-an23-build-497514-74608/root/chroot_tmpdir/scmroot/tcpdump'...
$ git fetch origin 30476e4b2e1f7c4d0fd33847fee4d35481afe43c:KOJI_FETCH_HEAD
From https://gitee.com/lizhao2025/tcpdump
 * [new ref]         30476e4b2e1f7c4d0fd33847fee4d35481afe43c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 30476e4 Update code from upstream