[Command::IPC] Add repl subcommand

CHANGELOG.md

@@ -11,6 +11,10 @@
   OTHER_CPLUSPLUSFLAGS  in the release builds of the Pods project.
 - Fixed `pod lint --local`
 
+###### Ancillary enhancements
+
+- Added `pod ipc repl` subcommand.
+
 ## 0.17.0.rc2
 [CocoaPods](https://github.com/CocoaPods/CocoaPods/compare/0.17.0.rc1...0.17.0.rc2)
 • [cocoapods-core](https://github.com/CocoaPods/Core/compare/0.17.0.rc1...0.17.0.rc2)

lib/cocoapods/command/inter_process_communication.rb

@@ -80,9 +80,7 @@ module Pod
             begin
               spec = set.specification
               result[spec.name] = {
-                'defined_in_file' => spec.defined_in_file.to_s,
-                'version' => spec.version,
-                'authors' => spec.authors,
+                'authors' => spec.authors.keys,
                 'summary' => spec.summary,
                 'description' => spec.description,
                 'platforms' => spec.available_platforms.map { |p| p.name.to_s },
@@ -98,6 +96,56 @@ module Pod
 
       #-----------------------------------------------------------------------#
 
+      class Repl < IPC
+
+        LISTENING_STRING = '>>> @LISTENING <<<'
+
+        self.summary = 'The repl listens to commands on standard input.'
+        self.description = <<-DESC
+         The repl listens to commands on standard input and prints their
+         result to standard output.
+
+         It accepts all the other ipc subcommands. The repl will signal when
+         it is ready to receive a new command with the `#{LISTENING_STRING}`
+         string.
+        DESC
+
+        def run
+          salute
+          listen
+        end
+
+        def salute
+          UI.puts "version: #{Pod::VERSION}"
+        end
+
+        def listen
+          signal_ready
+          while repl_command = STDIN.gets
+            execute_repl_command(repl_command)
+          end
+        end
+
+        def signal_ready
+          UI.puts LISTENING_STRING
+        end
+
+        def execute_repl_command(repl_command)
+          if (repl_command != "\n")
+            repl_commands = repl_command.split
+            subcommand = repl_commands.shift.capitalize
+            arguments = repl_commands
+            subcommand_class = Kernel.const_get("Pod::Command::IPC::#{subcommand}")
+            subcommand_class.new(CLAide::ARGV.new(arguments)).run
+            signal_ready
+            STDOUT.flush
+          end
+        end
+
+      end
+
+      #-----------------------------------------------------------------------#
+
     end
   end
 end

spec/functional/command/inter_process_communication_spec.rb

@@ -42,7 +42,6 @@ module Pod
         out = run_command('ipc', 'list')
         out.should.include('---')
         out.should.match /BananaLib:/
-        out.should.match /version: .1\.0./
         out.should.match /description: Full of chunky bananas./
       end
 
@@ -50,5 +49,32 @@ module Pod
 
     #-------------------------------------------------------------------------#
 
+    describe Command::IPC::Repl do
+
+      it "prints the version of CocoaPods as its first message" do
+        command = Command::IPC::Repl.new(CLAide::ARGV.new([]))
+        command.stubs(:listen)
+        command.run
+
+        out = UI.output
+        out.should.match /version: #{Pod::VERSION}/
+      end
+
+      it "converts forwards the commands to the other ipc subcommands prints the result to STDOUT" do
+        command = Command::IPC::Repl.new(CLAide::ARGV.new([]))
+        command.execute_repl_command("podfile #{fixture('Podfile')}")
+
+        out = UI.output
+        out.should.include('---')
+        out.should.match /target_definitions:/
+        out.should.match /platform: ios/
+        out.should.match /- SSZipArchive:/
+        out.should.match />>> @LISTENING <<<$/
+      end
+
+    end
+
+    #-------------------------------------------------------------------------#
+
   end
 end