- Fix versioned downloading for gem and python packages.

  Tested: fpm -s gem -t deb -v 1.7.1 json
    Successfully installed json-1.7.1
  Tested: fpm -s python -t deb -v 2.1.6 simplejson
  Relevant output:
    Searching for simplejson==2.1.6
    Reading http://pypi.python.org/simple/simplejson/
    Reading http://github.com/simplejson/simplejson
    Reading http://undefined.org/python/#simplejson
    Best match: simplejson 2.1.6
    Downloading
    http://pypi.python.org/packages/source/s/simplejson/simplejson-2.1.6
    .tar.gz#md5=2f8351f6e6fe7ef25744805dfa56c0d5
    Processing simplejson-2.1.6.tar.gz

  Related tickets: jordansissel#215, jordansissel#204

lib/fpm/command.rb

@@ -229,6 +229,11 @@ def execute
         # 
         # In the case of 'flag' options, the accessor is actually 'foo_bar?'
         # instead of just 'foo_bar'
+
+        # If the instance variable @{attr} is defined, then
+        # it means the flag was given on the command line.
+        flag_given = instance_variable_defined?("@#{attr}")
+        input.attributes["#{attr}_given?".to_sym] = flag_given
         attr = "#{attr}?" if !respond_to?(attr) # handle boolean :flag cases
         input.attributes[attr.to_sym] = send(attr) if respond_to?(attr)
         @logger.debug("Setting attribute", attr.to_sym => send(attr))

lib/fpm/package.rb

@@ -420,8 +420,25 @@ def type
     end # def self.type
   end # class << self
 
+  # Get the version of this package
+  def version
+    if instance_variable_defined?(:@version) && !@version.nil?
+      return @version
+    elsif attributes[:version_given?]
+      # 'version_given?' will be true in cases where the
+      # fpm command-line tool has been given '-v' or '--version' settings
+      # We do this check because the default version is "1.0"
+      # on the fpm command line.
+      return attributes.fetch(:version)
+    end
+
+    # No version yet, nil.
+    return nil
+  end # def version
+
   # General public API
-  public(:type, :initialize, :convert, :input, :output, :to_s, :cleanup, :files)
+  public(:type, :initialize, :convert, :input, :output, :to_s, :cleanup, :files,
+         :version)
 
   # Package internal public api
   public(:cleanup_staging, :cleanup_build, :staging_path, :converted_from,