lib/rubu.rb in rubu-0.0.6 vs lib/rubu.rb in rubu-0.0.7

@@ -131,24 +131,26 @@
         end
 
         # Execution content.
         def run
             begin
-                stdout, stderr, status = Open3.capture3( @cmd )
+                stdout, stderr, status = Open3.capture3( @cmd ) unless Order[ :noop ]
 
                 if Order[ :verbose ]
                     STDOUT.puts @cmd
                 end
 
-                if status.exitstatus == 0
-                    if Order[ :sh_warn ] && not( stderr.empty? )
-                        warn( stderr )
+                unless Order[ :noop ]
+                    if status.exitstatus == 0
+                        if Order[ :sh_warn ] && not( stderr.empty? )
+                            warn( stderr )
+                        end
+                        @status = :success
+                    else
+                        @status = :error
+                        error( stderr )
                     end
-                    @status = :success
-                else
-                    @status = :error
-                    error( stderr )
                 end
 
             rescue
 
                 error( "Invalid command: \"#{@cmd}\"..." )
@@ -171,11 +173,11 @@
         end
 
         # Execution content.
         def run
             begin
-                ret = instance_eval( &@cmd )
+                ret = instance_eval( &@cmd ) unless Order[ :noop ]
                 @status = :success
                 if @desc && Order[ :verbose ]
                     STDOUT.puts @desc
                 end
             rescue => f
@@ -401,10 +403,11 @@
     #
     # Options:
     # * serial   - Force parallel executions to serial (default: parallel).
     # * parmax   - Limit the number of parallel executions (default: 0).
     # * verbose  - Show command executions (default: false).
+    # * noop     - No operation (default: false).
     # * force    - Force Step updates (default: false).
     # * sh_warn  - Show shell warnings (default: true).
     class Order
 
         @@order = {}
@@ -428,9 +431,12 @@
         # Maximun parallel runs (0 for no limit).
         Order[ :parmax ] = 0
 
         # Verbose execution.
         Order[ :verbose ] = false
+
+        # No operation.
+        Order[ :noop ] = false
 
         # Force Step updates.
         Order[ :force ] = false
 
         # Show warnings (for shell commands).