Refactor how the distribution is built

lib/jasmine.js

@@ -2467,5 +2467,5 @@ jasmine.version_= {
   "major": 1,
   "minor": 1,
   "build": 0,
-  "revision": 1307836216
+  "revision": 1307978448
 }

tasks/build_dist.rb

@@ -1,25 +1,21 @@
 desc "Build core jasmine.js"
-task :build_jasmine_js => :lint do
-  puts 'Building Jasmine from source'
+task :build_dist => :lint do
+  puts 'Building Jasmine distribution from source'
 
-  File.open("lib/jasmine.js", 'w') do |jasmine_js|
-    core_sources.each do |source_filename|
-      file = File.read(source_filename)
-#      file += "\n" unless file.match(/\n$/)
-      file.chomp
-      jasmine_js << file
+  concat_into('lib/jasmine.js') { [core_sources, version_source] }
+  concat_into('lib/jasmine-html.js') { html_sources }
+
+  FileUtils.cp('src/html/jasmine.css', 'lib/jasmine.css')
+end
+
+def concat_into(output_file, &block)
+  files, extra = yield
+  File.open(output_file, 'w') do |out|
+    files.each do |f|
+      out << File.read(f)
     end
-
-    jasmine_js << version_source
+    out << extra if extra
   end
-
-  File.open("lib/jasmine-html.js", 'w') do |jasmine_html|
-    html_sources.each do |source_filename|
-      jasmine_html.puts(File.read(source_filename))
-    end
-  end
-
-  FileUtils.cp("src/html/jasmine.css", "lib/jasmine.css")
 end
 
 desc 'Check jasmine sources for coding problems'

tasks/spec.rb

@@ -1,5 +1,5 @@
 desc "Run spec suite: Browser, Node, JSHint"
-task :spec => ["build_jasmine_js", "count_specs", "spec:node", "spec:browser"]
+task :spec => ["build_dist", "count_specs", "spec:node", "spec:browser"]
 
 desc 'Run specs in Node.js'
 task "spec:node" => [:count_specs, :require_node] do