Merge pull request #85 from Contegix/fpm_config_files

add --config-files to the fpm builder command

lib/omnibus/project.rb

@@ -66,6 +66,7 @@ def initialize(io, filename)
 
       @exclusions = Array.new
       @conflicts = Array.new
+      @config_files = Array.new
       @dependencies = Array.new
       @runtime_dependencies = Array.new
       instance_eval(io)
@@ -314,6 +315,14 @@ def exclude(pattern)
       @exclusions << pattern
     end
 
+    # Add a config file.
+    #
+    # @param val [String] the name of a config file of your software
+    # @return [void]
+    def config_file(val)
+      @config_files << val
+    end
+
     # Returns the platform version of the machine on which Omnibus is
     # running, as determined by Ohai.
     #
@@ -573,6 +582,10 @@ def fpm_command(pkg_type)
       @exclusions.each do |pattern|
         command_and_opts << "--exclude '#{pattern}'"
       end
+
+      @config_files.each do |config_file|
+        command_and_opts << "--config-files '#{config_file}'"
+      end
 
       @runtime_dependencies.each do |runtime_dep|
         command_and_opts << "--depends '#{runtime_dep}'"