update Homebrew

1.更新源

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

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

# 應(yīng)用生效:
$ brew update

2.修復(fù)源

# 診斷Homebrew的問(wèn)題:
$ brew doctor

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

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

# 應(yīng)用生效:
$ brew update  

3.重置源

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

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