diff --git a/lib/cocoapods-core/specification/dsl.rb b/lib/cocoapods-core/specification/dsl.rb
index a6c218f87..fb04e4165 100644
--- a/lib/cocoapods-core/specification/dsl.rb
+++ b/lib/cocoapods-core/specification/dsl.rb
@@ -300,6 +300,33 @@ module DSL
         :container      => Array,
       }
 
+      #------------------#
+
+      # @!method prepare_command=(command)
+      #
+      # A bash script that will be executed after the Pod is downloaded. This
+      # command can be used to create, delete and modify any file downloaded
+      # and will be ran before other attributes from the specification.
+      #
+      #   This command is executed before the Pod is cleaned and before the
+      #   Pods project is created.
+      #
+      #   @example
+      #
+      #     spec.prepare_command = 'ruby build_files.rb'
+      #
+      #   @example
+      #
+      #     spec.prepare_command = <<-CMD
+      #                             sed -i 's/MyNameSpacedHeader/Header/g' ./**/*.h
+      #                             sed -i 's/MyNameOtherSpacedHeader/OtherHeader/g' ./**/*.h
+      #                        CMD
+      #
+      #   @param  [String] command
+      #           the prepare command of the pod.
+      #
+      root_attribute :prepare_command
+
       #-----------------------------------------------------------------------#
 
       # @!group Platform
@@ -985,6 +1012,9 @@ def dependency(*args)
       #   end
       #
       def pre_install(&block)
+        CoreUI.warn "The pre install hook of the specification DSL has been " \
+          "deprecated, use the `resource_bundles` or the `prepare_command` " \
+          "attributes."
         @pre_install_callback = block
       end
 
@@ -1012,6 +1042,9 @@ def pre_install(&block)
       #   end
       #
       def post_install(&block)
+        CoreUI.warn "The post install hook of the specification DSL has been " \
+          "deprecated, use the `resource_bundles` or the `prepare_command` " \
+          "attributes."
         @post_install_callback = block
       end
 
diff --git a/lib/cocoapods-core/specification/linter.rb b/lib/cocoapods-core/specification/linter.rb
index f578185aa..9e9f39796 100644
--- a/lib/cocoapods-core/specification/linter.rb
+++ b/lib/cocoapods-core/specification/linter.rb
@@ -146,6 +146,7 @@ def perform_all_specs_ananlysis
             validate_file_patterns
             check_tmp_arc_not_nil
             check_if_spec_is_empty
+            check_install_hooks
             @consumer = nil
           end
         end
@@ -301,6 +302,18 @@ def check_if_spec_is_empty
         end
       end
 
+      # Check the hooks
+      #
+      def check_install_hooks
+        warning "The pre install hook of the specification DSL has been " \
+          "deprecated, use the `resource_bundles` or the `prepare_command` " \
+          "attributes." unless consumer.spec.pre_install_callback.nil?
+
+        warning "The post install hook of the specification DSL has been " \
+          "deprecated, use the `resource_bundles` or the `prepare_command` " \
+          "attributes." unless consumer.spec.post_install_callback.nil?
+      end
+
       #-----------------------------------------------------------------------#
 
       # !@group Result Helpers
diff --git a/lib/cocoapods-core/specification/root_attribute_accessors.rb b/lib/cocoapods-core/specification/root_attribute_accessors.rb
index a42003b94..5201eb78e 100644
--- a/lib/cocoapods-core/specification/root_attribute_accessors.rb
+++ b/lib/cocoapods-core/specification/root_attribute_accessors.rb
@@ -118,6 +118,10 @@ def screenshots
           [*value]
         end
 
+        def prepare_command
+          attributes_hash["prepare_command"]
+        end
+
         #-----------------------------------------------------------------------#
 
         private
diff --git a/spec/specification/dsl_spec.rb b/spec/specification/dsl_spec.rb
index c1675dabd..ecc5eff52 100644
--- a/spec/specification/dsl_spec.rb
+++ b/spec/specification/dsl_spec.rb
@@ -57,6 +57,10 @@ module Pod
         @spec.attributes_hash["description"].should == 'text'
       end
 
+      it "allows to specify a prepare command" do
+        @spec.prepare_command = "ruby build_files.rb"
+        @spec.attributes_hash["prepare_command"].should == "ruby build_files.rb"
+      end
     end
 
     #-----------------------------------------------------------------------------#
diff --git a/spec/specification/linter_spec.rb b/spec/specification/linter_spec.rb
index bc4265cd6..bdcb13433 100644
--- a/spec/specification/linter_spec.rb
+++ b/spec/specification/linter_spec.rb
@@ -303,13 +303,28 @@ def message_should_include(*values)
         message.should.include('spec is empty')
       end
 
-      it "requires that the require_arc value is specified until the switch to a true default" do
-        consumer = Specification::Consumer
-        consumer.any_instance.stubs(:requires_arc).returns(nil)
+      xit "requires that the require_arc value is specified until the switch to a true default" do
+        # TODO the default value is invalidating this test
+        consumer = @spec.consumer(:ios)
+        @spec.requires_arc = nil
         @linter.lint
         message = @linter.results.first.message
         message.should.include('`requires_arc` should be specified')
       end
+
+      it "checks if the pre install hook has been defined" do
+        @spec.pre_install do; end
+        @linter.lint
+        message = @linter.results.first.message
+        message.should.match /pre install hook.*deprecated/
+      end
+
+      it "checks if the post install hook has been defined" do
+        @spec.post_install do; end
+        @linter.lint
+        message = @linter.results.first.message
+        message.should.match /post install hook.*deprecated/
+      end
     end
 
   end
diff --git a/spec/specification/root_attribute_accessors_spec.rb b/spec/specification/root_attribute_accessors_spec.rb
index 36847ec7a..c9aae9fbf 100644
--- a/spec/specification/root_attribute_accessors_spec.rb
+++ b/spec/specification/root_attribute_accessors_spec.rb
@@ -117,5 +117,10 @@ module Pod
       @spec.screenshots.should == ['www.example.com/img1.png']
     end
 
+    it "returns the prepare_command" do
+      @spec.prepare_command = 'ruby prepare_script.rb'
+      @spec.prepare_command.should == 'ruby prepare_script.rb'
+    end
+
   end
 end