我怀疑这与我的操作系统（OSX）有关，但在运行brew update && brew doctor之后我试图运行brew install v8
xerox:rewardsummit-rails home$ brew install v8
==> Downloading https://github.com/v8/v8/archive/3.25.30.tar.gz Already downloaded: /Library/Caches/Homebrew/v8-3.25.30.tar.gz
==> Patching
==> Cloning http://gyp.googlecode.com/svn/trunk
Updating /Library/Caches/Homebrew/v8--gyp--svn
svn: E175002: Unable to connect to a repository at URL 'http://gyp.googlecode.com/svn/trunk'
svn: E175002: OPTIONS of 'http://gyp.googlecode.com/svn/trunk': Could not read status line: connection was closed by server (http://gyp.googlecode.com)
Error: Failed to download resource "v8--gyp"
Failure while executing: svn up -q --force /Library/Caches/Homebrew/v8--gyp--svn -r 1831
我对SVN一无所知。