From f8e70f93c3f153b145e03765f77320ff3da64dde Mon Sep 17 00:00:00 2001
From: Max Howell
Date: Tue, 6 Mar 2012 17:35:10 +0000
Subject: `brew info` understands taps

Note I removed some of the code that changed the URL to be that of the github.user. Because this doesn't make any sense really. We want people to reference the commit history for whatever fork of homebrew they have checked out. So this is now what it does.
---
 Library/Homebrew/cmd/info.rb | 37 +++++++++++++++++++++++--------------
 1 file changed, 23 insertions(+), 14 deletions(-)

(limited to 'Library/Homebrew')

diff --git a/Library/Homebrew/cmd/info.rb b/Library/Homebrew/cmd/info.rb
index 0c6b3829e..bb5f1f991 100644
--- a/Library/Homebrew/cmd/info.rb
+++ b/Library/Homebrew/cmd/info.rb
@@ -20,21 +20,30 @@ module Homebrew extend self
     end
   end
 
+  def github_fork
+    if system "/usr/bin/which -s git"
+      if `git remote -v` =~ %r{origin\s+(https?://|git@)github.com[:/](.+)/homebrew}
+        $2
+      end
+    end
+  end
+
   def github_info name
-    formula_name = Formula.path(name).basename
-    user = 'mxcl'
-    branch = 'master'
+    path = Formula.path(name).realpath
 
-    if system "/usr/bin/which -s git"
-      gh_user=`git config --global github.user 2>/dev/null`.chomp
-      /^\*\s*(.*)/.match(`git --git-dir=#{HOMEBREW_REPOSITORY}/.git branch 2>/dev/null`)
-      unless $1.nil? || $1.empty? || $1.chomp == 'master' || gh_user.empty?
-        branch = $1.chomp
-        user = gh_user
+    if path.to_s =~ %r{#{HOMEBREW_REPOSITORY}/Library/Taps/(\w+)-(\w+)/(.*)}
+      user = $1
+      repo = "homebrew-#$2"
+      path = $3
+    else
+      path.parent.cd do
+        user = github_fork
       end
+      repo = "homebrew"
+      path = "Library/Formula/#{path.basename}"
     end
 
-    "http://github.com/#{user}/homebrew/commits/#{branch}/Library/Formula/#{formula_name}"
+    "https://github.com/#{user}/#{repo}/commits/master/#{path}"
   end
 
   def info_formula f
@@ -68,16 +77,16 @@ module Homebrew extend self
       puts "Not installed"
     end
 
+    history = github_info f.name
+    puts history if history
+
     the_caveats = (f.caveats || "").strip
     unless the_caveats.empty?
       puts
+      ohai "Caveats"
       puts f.caveats
-      puts
     end
 
-    history = github_info f.name
-    puts history if history
-
   rescue FormulaUnavailableError
     # check for DIY installation
     d = HOMEBREW_PREFIX+name
-- 
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