Only use help! when validating command-line arguments.

lib/cocoapods/command/init.rb

@@ -23,13 +23,14 @@ module Pod
 
       def validate!
         super
-        help! "Existing Podfile found in directory" unless config.podfile.nil?
-        unless @project_path
-          help! "No xcode project found, please specify one" unless @project_paths.length > 0
-          help! "Multiple xcode projects found, please specify one" unless @project_paths.length == 1
+        raise Informative, "Existing Podfile found in directory" unless config.podfile.nil?
+        if @project_path
+          help! "Xcode project at #{@project_path} does not exist" unless File.exist? @project_path
+        else
+          raise Informative, "No xcode project found, please specify one" unless @project_paths.length > 0
+          raise Informative, "Multiple xcode projects found, please specify one" unless @project_paths.length == 1
           @project_path = @project_paths.first
         end
-        help! "Xcode project at #{@project_path} does not exist" unless File.exist? @project_path
         @xcode_project = Xcodeproj::Project.new(@project_path)
       end
 

spec/functional/command/init_spec.rb

@@ -7,7 +7,7 @@ module Pod
   describe Command::Init do
 
     it "complains if project does not exist" do
-      lambda { run_command('init') }.should.raise CLAide::Help
+      lambda { run_command('init') }.should.raise Informative
       lambda { run_command('init', 'foo.xcodeproj') }.should.raise CLAide::Help
     end
 
@@ -19,7 +19,7 @@ module Pod
       Dir.chdir(temporary_directory) do
         Xcodeproj::Project.new.save_as(temporary_directory + 'test1.xcodeproj')
         Xcodeproj::Project.new.save_as(temporary_directory + 'test2.xcodeproj')
-        lambda { run_command('init') }.should.raise CLAide::Help
+        lambda { run_command('init') }.should.raise Informative
       end
     end
 
@@ -27,7 +27,7 @@ module Pod
       Dir.chdir(temporary_directory) do
         (Pathname.pwd + 'Podfile').open('w') { |f| f << "pod 'AFNetworking'" }
         Xcodeproj::Project.new.save_as(temporary_directory + 'test1.xcodeproj')
-        lambda { run_command('init') }.should.raise CLAide::Help
+        lambda { run_command('init') }.should.raise Informative
       end
     end