git pull 报错：fatal: Exiting because of unfinished merge.

git pull 报错：fatal: Exiting because of unfinished merge.

报错内容：

error: You have not concluded your merge (MERGE_HEAD exists).
hint: Please, commit your changes before merging.
fatal: Exiting because of unfinished merge.

解决方法（放弃本地修改）：

git reset --hard origin/master