1 files changed, 92 insertions, 0 deletions
diff --git a/Library/Homebrew/cmd/info.rb b/Library/Homebrew/cmd/info.rb
new file mode 100644
index 000000000..7f9767e07
--- /dev/null
+++ b/Library/Homebrew/cmd/info.rb
@@ -0,0 +1,92 @@
+require 'formula'
+
+module Homebrew extend self
+  def info
+    if ARGV.named.empty?
+      if ARGV.include? "--all"
+        Formula.each do |f|
+          info_formula f
+          puts '---'
+        end
+      else
+        puts "#{HOMEBREW_CELLAR.children.length} kegs, #{HOMEBREW_CELLAR.abv}"
+      end
+    elsif valid_url ARGV[0]
+      path = Pathname.new(ARGV.shift)
+      /(.*?)[-_.]?#{path.version}/.match path.basename
+      unless $1.to_s.empty?
+        name = $1
+      else
+        name = path.stem
+      end
+      puts "#{name} #{path.version}"
+    else
+      ARGV.formulae.each{ |f| info_formula f }
+    end
+  end
+
+  def github_info name
+    formula_name = Formula.path(name).basename
+    user = 'mxcl'
+    branch = 'master'
+
+    if system "/usr/bin/which -s git"
+      gh_user=`git config --global github.user 2>/dev/null`.chomp
+      /^\*\s*(.*)/.match(`git --work-tree=#{HOMEBREW_REPOSITORY} branch 2>/dev/null`)
+      unless $1.nil? || $1.empty? || gh_user.empty?
+        branch = $1.chomp
+        user = gh_user
+      end
+    end
+
+    "http://github.com/#{user}/homebrew/commits/#{branch}/Library/Formula/#{formula_name}"
+  end
+
+  def info_formula f
+    exec 'open', github_info(f.name) if ARGV.flag? '--github'
+
+    puts "#{f.name} #{f.version}"
+    puts f.homepage
+
+    puts "Depends on: #{f.deps*', '}" unless f.deps.empty?
+
+    rack = f.prefix.parent
+    if rack.directory?
+      kegs = rack.children
+      kegs.each do |keg|
+        next if keg.basename.to_s == '.DS_Store'
+        print "#{keg} (#{keg.abv})"
+        print " *" if f.installed_prefix == keg and kegs.length > 1
+        puts
+      end
+    else
+      puts "Not installed"
+    end
+
+    if f.caveats
+      puts
+      puts f.caveats
+      puts
+    end
+
+    history = github_info f.name
+    puts history if history
+
+  rescue FormulaUnavailableError
+    # check for DIY installation
+    d = HOMEBREW_PREFIX/name
+    if d.directory?
+      ohai "DIY Installation"
+      d.children.each{ |keg| puts "#{keg} (#{keg.abv})" }
+    else
+      raise "No such formula or keg"
+    end
+  end
+
+  private
+
+  def valid_url u
+    u[0..6] == 'http://' or u[0..7] == 'https://' or u[0..5] == 'ftp://'
+  end
+
+end