lib/harker/gemify.rb in technomancy-harker-0.0.3 vs lib/harker/gemify.rb in technomancy-harker-0.5.0

@@ -1,40 +1,44 @@
 require 'harker'
+require 'fileutils'
+require 'erb'
 
 module Harker
+  # Turn an existing Rails app into a gem.
   def self.gemify(rails_root)
-    project_name = File.basename(rails_root)
+    @project_name = File.basename(rails_root)
 
-    if File.exist?(rails_root + "/bin/#{project_name}", 'w') or
-        File.exist?(rails_root + "/lib/#{project_name}.rb", 'w')
+    if File.exist?(rails_root + "/bin/#{@project_name}") or
+        File.exist?(rails_root + "/lib/#{@project_name}.rb")
       abort "Can't write gem files without overwriting existing ones.
 Try manually gemifying."
     end
 
-    # TODO: can we specify the version better?
-    hoe = "Hoe.new('#{project_name}', '1.0.0') do |p|
-  p.extra_deps << ['rails', '~> 2.3.2']
-  p.extra_deps << ['harker', '~> #{Harker::VERSION}']
-  p.developer('Your Name', '[e-mail]') # FIXME!
-end"
+    File.open(File.join(rails_root, '/Rakefile'), 'a') do |fp|
+      fp.puts template('hoe')
+      puts "Added hoe block to Rakefile."
+    end
 
-    bin = "#!/usr/bin/env ruby
-require 'rubygems'
-require 'harker'
+    FileUtils.mkdir_p(File.join(rails_root, '/bin'))
+    File.open(File.join(rails_root, "/bin/#{@project_name}"), 'w') do |fp|
+      fp.puts template('bin')
+      puts "Wrote bin launcher."
+    end
 
-Harker.launch(File.basename($0), ARGV)"
+    File.open(File.join(rails_root, "/lib/#{@project_name}.rb"), 'w') do |fp|
+      fp.puts template('lib')
+      puts "Wrote lib file."
+    end
 
-    lib = "# Allow rubygems to load this app
-require File.dirname(__FILE__) + '/../config/environment'"
+    # Submitted a patch to hoe to make it ignore log files by default,
+    # but folks should still give it a once-over manually anyway.
+    system "cd #{rails_root}; touch Manifest.txt; rake check_manifest | patch"
+    puts "Wrote Manifest.txt."
+    puts "Ensure the manifest doesn't contain files you don't want in the gem."
+    puts "Then try running rake install_gem."
+  end
 
-    File.open(rails_root + '/Rakefile', 'a') { |fp| fp.puts hoe }
-    puts "Added hoe block to Rakefile."
-    File.open(rails_root + "/bin/#{project_name}", 'w') { fp.puts bin }
-    puts "Wrote bin launcher."
-    File.open(rails_root + "/lib/#{project_name}.rb", 'w') { fp.puts lib }
-    puts "Wrote lib file."
-    system "cd #{rails_root}; rake check_manifest | patch"
-    puts "Wrote manifest."
-
-    puts "Done! Try running rake install_gem."
+  def self.template(name)
+    template_path = File.join File.dirname(__FILE__), 'templates', "#{name}.erb"
+    ERB.new(File.read(template_path)).result(binding)
   end
 end