delete file/directory in remote repository
# 删除远程文件夹/文件,本地保留
git rm --cached -r code/model.py
git commit -m "delete directory"
git push origin lite # lite branch
查看分支：git branch
创建分支：git branch <name>
切换分支：git checkout <name>
创建+切换分支：git checkout -b <name>
合并某分支到当前分支：git merge <name>
删除分支：git branch -d <name> # -d选项只能删除已经参与了合并的分支，对于未有合并的分支是无法删除的。如果想强制删除一个分支，可以使用-D选项
