我知道这不是我每天都会做的事情。然而，这真的很奇怪。我安装 Homebrew 使用：ruby -e "$(curl -fsSL https://raw.github.com/mxcl/homebrew/go)"
我实际上得到了这个回应：
"
> ==> This script will install: /usr/local/bin/brew /usr/local/Library/... /usr/local/share/man/man1/brew.1
>
> Press ENTER to continue or any other key to abort
> ==> Downloading and Installing Homebrew... remote: Finding bitmap roots... remote: Counting objects: 132404, done. remote: Compressing
> objects: 100% (43037/43037), done. remote: Total 132404 (delta 91508),
> reused 129108 (delta 88342) Receiving objects: 100% (132404/132404),
> 31.72 MiB | 2.51 MiB/s, done. Resolving deltas: 100% (91508/91508), done. From https://github.com/mxcl/homebrew * [new branch]
> master -> origin/master HEAD is now at 27cc45c rhash 1.3.0
> Warning: /usr/local/bin is not in your PATH.
> ==> Installation successful! You should run `brew doctor' *before* you install anything. Now type: brew help
"
您实际上会认为这会安装它。但后来我这样做brew doctor了，这是回应：
冲泡帮助-bash：冲泡：找不到命令