$ git clone -n https://gitee.com/opencloudos-stream/python-flask.git /var/lib/mock/dist-oc9-epol-build-66211-16665/root/chroot_tmpdir/scmroot/python-flask
Cloning into '/var/lib/mock/dist-oc9-epol-build-66211-16665/root/chroot_tmpdir/scmroot/python-flask'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/python-flask
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b5dc827 !3 add epoch temporarily, we will remove it in the future Merge pull request !3 from abushwang/master