make linkapps official

Library/Contributions/cmd/brew-linkapps.rb

-# Links any Applications (.app) found in installed prefixes to /Applications
-require 'keg'
-
-TARGET_DIR = ARGV.include?("--local") ? File.expand_path("~/Applications") : "/Applications"
-
-unless File.exist? TARGET_DIR
-  opoo "#{TARGET_DIR} does not exist, stopping."
-  puts "Run `mkdir #{TARGET_DIR}` first."
-  exit 1
-end
-
-HOMEBREW_CELLAR.subdirs.each do |rack|
-  kegs = rack.subdirs.map { |d| Keg.new(d) }
-  next if kegs.empty?
-
-  keg = kegs.detect(&:linked?) || kegs.max {|a,b| a.version <=> b.version}
-
-  Dir["#{keg}/*.app", "#{keg}/bin/*.app", "#{keg}/libexec/*.app"].each do |app|
-    puts "Linking #{app}"
-    app_name = File.basename(app)
-    target = "#{TARGET_DIR}/#{app_name}"
-
-    if File.exist?(target) && !File.symlink?(target)
-      onoe "#{target} already exists, skipping."
-      next
-    end
-    system "ln", "-sf", app, TARGET_DIR
-  end
-end
-
-puts "Finished linking. Find the links under #{TARGET_DIR}."

Library/Homebrew/cmd/linkapps.rb

+# Links any Applications (.app) found in installed prefixes to /Applications
+require 'keg'
+
+module Homebrew extend self
+
+  def linkapps
+    target_dir = ARGV.include?("--local") ? File.expand_path("~/Applications") : "/Applications"
+
+    unless File.exist? target_dir
+      opoo "#{target_dir} does not exist, stopping."
+      puts "Run `mkdir #{target_dir}` first."
+      exit 1
+    end
+
+    HOMEBREW_CELLAR.subdirs.each do |rack|
+      kegs = rack.subdirs.map { |d| Keg.new(d) }
+      next if kegs.empty?
+
+      keg = kegs.detect(&:linked?) || kegs.max {|a,b| a.version <=> b.version}
+
+      Dir["#{keg}/*.app", "#{keg}/bin/*.app", "#{keg}/libexec/*.app"].each do |app|
+        puts "Linking #{app}"
+        app_name = File.basename(app)
+        target = "#{target_dir}/#{app_name}"
+
+        if File.exist?(target) && !File.symlink?(target)
+          onoe "#{target} already exists, skipping."
+          next
+        end
+        system "ln", "-sf", app, target_dir
+      end
+    end
+
+    puts "Finished linking. Find the links under #{target_dir}."
+  end
+end