$ git clone -n https://gitee.com/src-opencloudos-rpms/nmap.git /var/lib/mock/dist-oc9-build-129302-77765/root/chroot_tmpdir/scmroot/nmap
Cloning into '/var/lib/mock/dist-oc9-build-129302-77765/root/chroot_tmpdir/scmroot/nmap'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/nmap
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e2b378c import nmap-7.93-4.tl4