lib/shepherd/cli.rb in shepherd-0.3.0 vs lib/shepherd/cli.rb in shepherd-0.3.1

@@ -1,100 +1,100 @@
 require "trollop"
 
-module Shepherd	
-	
-	# Command Line Interface class
-	# 
-	# === Usage
-	# 
-	#     module Shepherd
-	#        Cli.new.run!
-	#     end
-	# 
-	# or
-	# 
-	#     Shepherd::Cli.new.run!
-	# 
-	# === Exit statuses
-	# 
-	# - *0* Everything went just fine :)
-	# - *1* User said ^C :]
-	# - *2* User wanted a UnknownCommand
-	# - *3* The database file was not found
-	# - *4* User wanted to init another sheep/project with the same name and/or path
-	# - *5* User wanted to init a project in a path that doesn't exist
-	# - *6* User wanted to see a sheep that was not inited
-	# 
-	class Cli
-		
-		# Kinda self explanatory
-		class UnknownCommand < RuntimeError; end
-		
-		# A command which is about to be run
-		attr_accessor :command
-		
-		# Require *all* command files
-		# TODO: Is it possible to make it use autoload? It'd be cool! :)
-		Dir[File.join(File.dirname(__FILE__), "commands", "*.rb")].each do |all_command_files|
-			require all_command_files
-		end
-		
-		# Handle the commands list
-		# 
-		# @return [Array] all available commands
-		COMMANDS = Command.constants.select { |c| Class === Command.const_get(c) }
-		
-		# Get a list of available commands to be printed. (Almost) every line is separated by new line mark - \n
-		# 
-		# @return [String] list of all available commands
-		def commands_list
-			out = ""
-			# If there are no commands set
-			if COMMANDS.empty?
-				out << "  ooops! commands are not here!"
-			else
-				# Get the longest command's name, so we can output it nice 'n' clean
-				# This '+ int' at the end is a distance (in spaces) from the longest
-				#                                            command to descriptions
-				longest = COMMANDS.max_by(&:size).size + 8
-				COMMANDS.each do |cmd|
-					# Calc, calc.
-					spaces = longest - cmd.size
-					# Check if there is a 'desc' method
-					desc = if eval "Command::#{cmd}.new.respond_to? 'desc'"
-						# If there is - execute it
-						eval "Command::#{cmd}.new.desc"
-					else
-						# If there is not
-						"---"
-					end
-					out << "  " << cmd.downcase.to_s << " " * spaces << desc
-					# If this command is the last one, don't make a new line
-					unless cmd == COMMANDS.last
-						out << "\n"
-					end
-				end
-			end
-			out
-		end # commands_list:Method
-		
-		# Check if command really exists
-		# 
-		# @return [Boolean] whether the command exists or not
-		def command_exists?
-			COMMANDS.include? @command
-		end
-		
-		# Rruns t'e Cli!
-		def run!
-			
-			# Nice, cool 'n' AWESOME --options parsing with Trollop[http://trollop.rubyforge.org/]!
-			# 
-			# @return [Hash] array full of options
-			$opts = Trollop::options do
-				version "shepherd version #{Version::STRING}"
-				banner <<-EOB
+module Shepherd 
+  
+  # Command Line Interface class
+  # 
+  # === Usage
+  # 
+  #     module Shepherd
+  #        Cli.new.run!
+  #     end
+  # 
+  # or
+  # 
+  #     Shepherd::Cli.new.run!
+  # 
+  # === Exit statuses
+  # 
+  # - *0* Everything went just fine :)
+  # - *1* User said ^C :]
+  # - *2* User wanted a UnknownCommand
+  # - *3* The database file was not found
+  # - *4* User wanted to init another sheep/project with the same name and/or path
+  # - *5* User wanted to init a project in a path that doesn't exist
+  # - *6* User wanted to see a sheep that was not inited
+  # 
+  class Cli
+    
+    # Kinda self explanatory
+    class UnknownCommand < RuntimeError; end
+    
+    # A command which is about to be run
+    attr_accessor :command
+    
+    # Require *all* command files
+    # TODO: Is it possible to make it use autoload? It'd be cool! :)
+    Dir[File.join(File.dirname(__FILE__), "commands", "*.rb")].each do |all_command_files|
+      require all_command_files
+    end
+    
+    # Handle the commands list
+    # 
+    # @return [Array] all available commands
+    COMMANDS = Command.constants.select { |c| Class === Command.const_get(c) }
+    
+    # Get a list of available commands to be printed. (Almost) every line is separated by new line mark - \n
+    # 
+    # @return [String] list of all available commands
+    def commands_list
+      out = ""
+      # If there are no commands set
+      if COMMANDS.empty?
+        out << "  ooops! commands are not here!"
+      else
+        # Get the longest command's name, so we can output it nice 'n' clean
+        # This '+ int' at the end is a distance (in spaces) from the longest
+        #                                            command to descriptions
+        longest = COMMANDS.max_by(&:size).size + 8
+        COMMANDS.each do |cmd|
+          # Calc, calc.
+          spaces = longest - cmd.size
+          # Check if there is a 'desc' method
+          desc = if eval "Command::#{cmd}.new.respond_to? 'desc'"
+            # If there is - execute it
+            eval "Command::#{cmd}.new.desc"
+          else
+            # If there is not
+            "---"
+          end
+          out << "  " << cmd.downcase.to_s << " " * spaces << desc
+          # If this command is the last one, don't make a new line
+          unless cmd == COMMANDS.last
+            out << "\n"
+          end
+        end
+      end
+      out
+    end # commands_list:Method
+    
+    # Check if command really exists
+    # 
+    # @return [Boolean] whether the command exists or not
+    def command_exists?
+      COMMANDS.include? @command
+    end
+    
+    # Rruns t'e Cli!
+    def run!
+      
+      # Nice, cool 'n' AWESOME --options parsing with Trollop[http://trollop.rubyforge.org/]!
+      # 
+      # @return [Hash] array full of options
+      $opts = Trollop::options do
+        version "shepherd version #{Version::STRING}"
+        banner <<-EOB
 usage: shep [options] <command>
   
 commands are:
   
 #{Cli.new.commands_list}
@@ -102,42 +102,42 @@
   shep <command> --help/-h for more info about specified command
   
 options are:  
 EOB
 
-				opt :version, "show version and exit", :short => '-v'
-				opt :help, "show me and exit", :short => '-h'
-				
-				stop_on COMMANDS.collect { |e| e.downcase.to_s }
-			end
-			
-			# Get the command
-			@command = ARGV.shift.capitalize.to_sym
-			
-			begin
-				execute @command
-				exit 0
-			rescue UnknownCommand => e
-				puts e.message
-				exit 2
-			rescue Db::DatabaseNotFound => e
-				puts e.message
-				exit 3
-			rescue Interrupt
-				puts "\n\n!# interrupted"
-				exit 1
-			end
-		end # run!:Method
-		
-		# Executes a command
-		# 
-		# @return [Object] command to execute
-		# @raise [UnknownCommand] if there is no such a command
-		def execute command
-			if command_exists?
-				eval "Command::#{command}.new.init"
-			else
-				raise UnknownCommand, "Error: unknown command '#{command.downcase.to_s}'.\nTry --help for help."
-			end
-		end # execute_command:Method
-	end # Cli:Class
+        opt :version, "show version and exit", :short => '-v'
+        opt :help, "show me and exit", :short => '-h'
+        
+        stop_on COMMANDS.collect { |e| e.downcase.to_s }
+      end
+      
+      # Get the command
+      @command = ARGV.shift.capitalize.to_sym
+      
+      begin
+        execute @command
+        exit 0
+      rescue UnknownCommand => e
+        puts e.message
+        exit 2
+      rescue Db::DatabaseNotFound => e
+        puts e.message
+        exit 3
+      rescue Interrupt
+        puts "\n\n!# interrupted"
+        exit 1
+      end
+    end # run!:Method
+    
+    # Executes a command
+    # 
+    # @return [Object] command to execute
+    # @raise [UnknownCommand] if there is no such a command
+    def execute command
+      if command_exists?
+        eval "Command::#{command}.new.init"
+      else
+        raise UnknownCommand, "Error: unknown command '#{command.downcase.to_s}'.\nTry --help for help."
+      end
+    end # execute_command:Method
+  end # Cli:Class
 end # Shepherd:Module