$ git clone -n https://gitee.com/src-opencloudos-rpms/nmap /var/lib/mock/dist-oc8-build-58048-15875/root/chroot_tmpdir/scmroot/nmap
Cloning into '/var/lib/mock/dist-oc8-build-58048-15875/root/chroot_tmpdir/scmroot/nmap'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/nmap
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd118c4 import nmap-7.92-1.tl3