git remove a file from remote repository

当你误提交一些文件的时候，好比log 之类的，这些事本地文件须要的，那么如何删除远程仓库的这些log，而不删除本地的文件呢。

git rm -r --cached  File-or-FolderName 
-r
Allow recursive removal when a leading directory name is given.
--cached
Use this option to unstage and remove paths only from the index. Working tree files, whether modified or not, will be left alone.

-n或者--dry-run

Don’t actually remove any file(s). Instead, just show if they exist in the index and would otherwise be removed by the command.

git rm -r -n --cached "bin/" //-n：加上这个参数，执行命令时，是不会删除任何文件，而是展现此命令要删除的文件列表预览。

git rm File-or-FolderName             #### 删除本地和repository

git commit -m "Removed folder from repository"

git push origin master