$ git clone -n https://gitee.com/opencloudos-stream/ffcall.git /var/lib/mock/dist-oc9-epol-build-186691-80324/root/chroot_tmpdir/scmroot/ffcall
Cloning into '/var/lib/mock/dist-oc9-epol-build-186691-80324/root/chroot_tmpdir/scmroot/ffcall'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ffcall
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5038c9d !2 update to version 2.5-1 Merge pull request !2 from dpd/master