$ git clone -n https://gitee.com/wency_cn/nmap_1770738449.git /var/lib/mock/dist-an23-build-513193-75099/root/chroot_tmpdir/scmroot/nmap_1770738449
Cloning into '/var/lib/mock/dist-an23-build-513193-75099/root/chroot_tmpdir/scmroot/nmap_1770738449'...
$ git fetch origin d6be0dd9e3f1b5473345c7a1b79abbc0905f3d38:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/nmap_1770738449
 * [new ref]         d6be0dd9e3f1b5473345c7a1b79abbc0905f3d38 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d6be0dd Update code from upstream