brew update 失败 Error: Failed while executing git pull&

第一种方法:

$cd/usr/local

$ git remote add origin git://github.com/mxcl/homebrew.git

fatal: remote origin already exists.

$ git fetch origin

$ brew update

Already up-to-date

第二种方法:

cd `brew --prefix`

git remote add origin https://github.com/Homebrew/homebrew.git

git fetch origin

git reset --hard origin/master

brew update

PS: 有什么问题欢迎留言。

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