For when the symlink for a tap already exists and points to the thing we are about to symlink. This can happen, mostly because my code has sucked, but since the filesystem can be edited by the user at whim, it's possible then too.
Homebrew
Features, usage and installation instructions are summarized on the homepage.
What Packages Are Available?
- You can browse the Formula directory on GitHub.
 - Or type 
brew searchfor a list. - Or run 
brew serverto browse packages off of a local web server. - Or visit braumeister.org to browse packages online.
 
More Documentation
brew help or man brew or check our wiki.
Who Are You?
I'm Max Howell and I'm a splendid chap.
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