$ git clone -n https://gitee.com/wency_cn/nmap_1770928487.git /var/lib/mock/dist-an23-build-514296-75110/root/chroot_tmpdir/scmroot/nmap_1770928487
Cloning into '/var/lib/mock/dist-an23-build-514296-75110/root/chroot_tmpdir/scmroot/nmap_1770928487'...
$ git fetch origin 6ff81b26a13df49609b90416e638557185f63502:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/nmap_1770928487
 * [new ref]         6ff81b26a13df49609b90416e638557185f63502 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6ff81b2 Update code from upstream