Mac下更換Homebrew源

默認Homebrew的源會使用Github，國內使用會很慢。能夠經過更改成國內的源，提升訪問速度。

Step 1 先重置一下(原理就是重置一下brew.git和homebrew-core.git)

# 診斷Homebrew
$ brew doctor

# 重置brew.git
$ cd "$(brew --repo)"
$ git fetch
$ git reset --hard origin/master

# 重置homebrew-core.git
$ cd "$(brew --repo)/Library/Taps/homebrew/homebrew-core"
$ git fetch
$ git reset --hard origin/master

# 更新
$ brew update

Step 2 使用國內的源

# 替換brew.git:
$ cd "$(brew --repo)"
# 中國科大:
$ git remote set-url origin https://mirrors.ustc.edu.cn/brew.git
# 清華大學:
$ git remote set-url origin https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/brew.git

# 替換homebrew-core.git:
$ cd "$(brew --repo)/Library/Taps/homebrew/homebrew-core"
# 中國科大:
$ git remote set-url origin https://mirrors.ustc.edu.cn/homebrew-core.git
# 清華大學:
$ git remote set-url origin https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/homebrew-core.git

# 替換homebrew-bottles:
# 中國科大:
$ echo 'export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.ustc.edu.cn/homebrew-bottles' >> ~/.bash_profile
$ source ~/.bash_profile
# 清華大學:
$ echo 'export HOMEBREW_BOTTLE_DOMAIN=https://mirrors.tuna.tsinghua.edu.cn/homebrew-bottles' >> ~/.bash_profile
$ source ~/.bash_profile

# 更新
$ brew update

Step 3清理舊的安裝包

$ brew cleanup

若是想換回官方源使用以下命令

$ cd "$(brew --repo)"
$ git remote set-url origin https://github.com/Homebrew/brew.git

$ cd "$(brew --repo)/Library/Taps/homebrew/homebrew-core"
$ git remote set-url origin https://github.com/Homebrew/homebrew-core.git