$ git clone -n https://gitee.com/epol/ncdu /var/lib/mock/dist-oc9-epol-build-56808-15083/root/chroot_tmpdir/scmroot/ncdu
Cloning into '/var/lib/mock/dist-oc9-epol-build-56808-15083/root/chroot_tmpdir/scmroot/ncdu'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/epol/ncdu
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b5f800 !1 Initial build Merge pull request !1 from 王江奎/oc9