lib/gem2rpm/configuration.rb in gem2rpm-0.11.2 vs lib/gem2rpm/configuration.rb in gem2rpm-0.11.3

@@ -2,34 +2,80 @@
 
 module Gem2Rpm
   class Configuration
     include Singleton
 
+    DEFAULT_OPTIONS = {
+      :print_template_file => nil,
+      :template_file => nil,
+      :output_file => nil,
+      :local => false,
+      :srpm => false,
+      :deps => false,
+      :nongem => false,
+      :doc_subpackage => true,
+      :fetch => false,
+    }
+
     # The defaults should mostly work
     DEFAULT_MACROS = {
       :instdir => '%{gem_instdir}',
       :libdir => '%{gem_libdir}',
       :doc => '%doc',
       :license => '%license',
       :ignore => '%exclude'
     }
 
     DEFAULT_RULES = {
-      :doc => [/\/?CHANGELOG.*/i, /\/?CONTRIBUTING.*/i, /\/?CONTRIBUTORS.*/i,
-               /\/?AUTHORS.*/i,/\/?README.*/i, /\/?History.*/i, /\/?Release.*/i,
-               /\/?doc(\/.*)?/, 'NEWS'],
-      :license => [/\/?MIT/, /\/?GPLv[0-9]+/, /\/?.*LICEN(C|S)E/, /\/?COPYING/],
-      :ignore => ['.gemtest', '.gitignore', '.travis.yml', '.yardopts', '.rvmrc',
-                  '.rubocop.yml', /^\..*rc$/i],
+      :doc => [
+        /\/?CHANGELOG.*/i,
+        /\/?CONTRIBUTING.*/i,
+        /\/?CONTRIBUTORS.*/i,
+        /\/?AUTHORS.*/i,
+        /\/?README.*/i,
+        /\/?History.*/i,
+        /\/?Release.*/i,
+        /\/?doc(\/.*)?/,
+        'NEWS',
+      ],
+      :license => [
+        /\/?MIT/,
+        /\/?GPLv[0-9]+/,
+        /\/?.*LICEN(C|S)E/,
+        /\/?COPYING/,
+      ],
+      :ignore => [
+        '.gemtest',
+        '.gitignore',
+        '.travis.yml',
+        '.yardopts',
+        '.rvmrc',
+        '.rubocop.yml',
+        /^\..*rc$/i,
+      ],
       # Other files including test files that are not required for
       # runtime and therefore currently included in -doc
-      :misc => [/.*.gemspec/, /Gemfile.*/, 'Rakefile', 'rakefile.rb', 'Vagrantfile',
-                /^spec.*/, /^rspec.*/, /^test(s|)/, /^examples.*/]
+      :misc => [
+        /.*.gemspec/,
+        /Gemfile.*/,
+        'Rakefile',
+        'rakefile.rb',
+        'Vagrantfile',
+        /^spec.*/,
+        /^rspec.*/,
+        /^test(s|)/,
+        /^examples.*/,
+      ]
     }
 
-    # Set the configuration back to default
-    def to_default
+    def initialize
+      @options = nil
+      @parser = nil
+    end
+
+    # Set the configuration back to default values
+    def reset
       @_macros = nil
       @_rules = nil
       self
     end
 
@@ -49,7 +95,110 @@
 
     def rule_for(category)
       rules[category] ||= ''
     end
 
+    # Get options.
+    def options
+      handle_options unless @options
+      @options
+    end
+
+    private
+
+    # Handles list of given options. Use ARGV by default.
+    def handle_options(args = ARGV)
+      @options = Marshal.load Marshal.dump DEFAULT_OPTIONS # deep copy
+      parser.parse!(args)
+      @options[:args] = args
+    # TODO: Refactor, this is probably not the best palce.
+    rescue OptionParser::InvalidOption => e
+      $stderr.puts "#{e}\n\n"
+      $stderr.puts parser
+      exit(1)
+    end
+
+    # Creates an option parser.
+    def create_option_parser
+      @parser = OptionParser.new
+      setup_parser_options
+    end
+
+    # Get parser instance.
+    def parser
+      create_option_parser unless @parser
+      @parser
+    end
+
+    def setup_parser_options
+      parser.banner = "Usage: #{$PROGRAM_NAME} [OPTIONS] GEM"
+
+      parser.separator('  Convert Ruby gems to source RPMs and specfiles.')
+      parser.separator('  Uses a template to generate the RPM specfile')
+      parser.separator('  from the gem specification.')
+
+      parser.separator('')
+
+      parser.separator('  Options:')
+
+      parser.on('-T', '--current-template', 'Print the current template') do
+        options[:print_template_file] = true
+      end
+
+      parser.on('-t', '--template TEMPLATE', 'Use TEMPLATE for the specfile') do |val|
+        options[:template_file] = val
+      end
+
+      # TODO: This does not belong here.
+      parser.on('--templates', 'List all available templates') do
+        puts 'Available templates in #{Gem2Rpm::Template.default_location}:\n\n'
+        puts Gem2Rpm::Template.list.map do |t|
+          t.gsub(/(.*)\.spec.erb/, '\\1')
+        end.join("\n")
+        exit 0
+      end
+
+      # TODO: This does not belong here.
+      parser.on('-v', '--version', 'Print gem2rpm\'s version and exit') do
+        puts Gem2Rpm::VERSION
+        exit 0
+      end
+
+      parser.on('-o', '--output FILE', 'Send the specfile to FILE') do |val|
+        options[:output_file] = val
+      end
+
+      parser.on('-s', '--srpm', 'Create a source RPM') do
+        options[:srpm] = true
+      end
+
+      parser.on('-l', '--local', "Do not retrieve Gem information over
+              #{' ' * 22} the network. Use on disconnected machines") do
+        options[:local] = true
+      end
+
+      parser.on('-d', '--dependencies', 'Print the dependencies of the gem') do
+        options[:deps] = true
+      end
+
+      parser.on('-n', '--nongem', 'Generate a subpackage for non-gem use') do
+        options[:nongem] = true
+      end
+
+      parser.on('--no-doc', 'Disable document subpackage') do
+        options[:doc_subpackage] = false
+      end
+
+      parser.on('--fetch', 'Fetch the gem from rubygems.org') do
+        options[:fetch] = true
+      end
+
+      parser.separator('')
+
+      parser.separator('  Arguments:')
+      parser.separator('    GEM            The path to the locally stored gem package file or the name')
+      parser.separator('                   of the gem when using --fetch.')
+
+      parser.separator('')
+    end
   end
 end