Implement `file_write' action

lib/producer/core.rb

@@ -2,6 +2,7 @@
 require 'producer/core/action'
 require 'producer/core/actions/echo'
 require 'producer/core/actions/shell_command'
+require 'producer/core/actions/file_writer'
 
 # condition tests (need to be defined before the condition DSL)
 require 'producer/core/test'

lib/producer/core/actions/file_writer.rb

@@ -0,0 +1,19 @@
+module Producer
+  module Core
+    module Actions
+      class FileWriter < Action
+        def apply
+          env.remote.fs.file_write path, content
+        end
+
+        def path
+          arguments[0]
+        end
+
+        def content
+          arguments[1]
+        end
+      end
+    end
+  end
+end

lib/producer/core/remote/fs.rb

@@ -17,6 +17,12 @@ module Producer
         rescue Net::SFTP::StatusException
           false
         end
+
+        def file_write(path, content)
+          sftp.file.open path, 'w' do |f|
+            f.write content
+          end
+        end
       end
     end
   end

lib/producer/core/task/dsl.rb

@@ -19,6 +19,8 @@ module Producer
         define_action :echo,  Actions::Echo
         define_action :sh,    Actions::ShellCommand
 
+        define_action :file_write,  Actions::FileWriter
+
         attr_accessor :actions
 
         def initialize(&block)