add: support for dynamically loading the version info

.document

@@ -1,7 +1,7 @@
 README.rdoc
 CHANGELOG.rdoc
 AUTHORS.rdoc
+LICENSE.rdoc
 lib/**/*.rb
 bin/*
 features/**/*.feature
-LICENSE

CHANGELOG.rdoc

@@ -1,6 +1,9 @@
 = Changes
 
-== Version 0.5.1 to 0.5.6 (may 15 2009)
+== Version 0.5.7 (May 16 2009)
+- Load the version automatically from VERSION.yml
+
+== Version 0.5.1 to 0.5.6 (May 15 2009)
 - Make sure the proper version tag is set everywhere
 - Support showing belongs_to relationships when generating models
 - Transitioned to using Jeweler for gem management

Rakefile

@@ -5,10 +5,14 @@ begin
   require 'jeweler'
   Jeweler::Tasks.new do |gem|
     gem.name = "railroad"
+    gem.executables = "railroad"
     gem.email = ['peter@hoeg.com', 'p.hoeg@northwind.sg', 'javier@smaldone.com.ar']
     gem.homepage = "http://github.com/peterhoeg/RailRoad"
     gem.authors = ["Peter Hoeg", "Javier Smaldone"]
     gem.summary = "A DOT diagram generator for Ruby on Rail applications"
+    gem.description = gem.summary
+    gem.files = FileList["[A-Z]*", "{autotest,bin,lib,spec}/**/*", ".document"]
+    gem.extra_rdoc_files = FileList["*.rdoc"]
     # gem is a Gem::Specification... see http://www.rubygems.org/read/chapter/20 for additional settings
   end
 
@@ -31,16 +35,10 @@ end
 task :default => :spec
 
 require 'rake/rdoctask'
+require 'lib/version'
 Rake::RDocTask.new do |rdoc|
-  if File.exist?('VERSION.yml')
-    config = YAML.load(File.read('VERSION.yml'))
-    version = "#{config[:major]}.#{config[:minor]}.#{config[:patch]}"
-  else
-    version = ""
-  end
-
   rdoc.rdoc_dir = 'rdoc'
-  rdoc.title = "railroad #{version}"
+  rdoc.title = "railroad #{RailRoad::VERSION::STRING}"
   rdoc.rdoc_files.include('README*')
   rdoc.rdoc_files.include('CHANGELOG*')
   rdoc.rdoc_files.include('AUTHORS*')

VERSION.yml

@@ -1,4 +1,4 @@
 ---
 :major: 0
 :minor: 5
-:patch: 6
+:patch: 7

bin/railroad

@@ -14,11 +14,18 @@
 # (at your option) any later version.
 #
 
+require File.dirname(__FILE__) + '/../lib/version'
+
 APP_NAME       = "railroad"
 APP_HUMAN_NAME = "RailRoad"
-APP_VERSION    = [0,5,6]
+APP_VERSION    = [RailRoad::VERSION::MAJOR, RailRoad::VERSION::MINOR, RailRoad::VERSION::PATCH]
 COPYRIGHT      = "Copyright (C) 2007-2008 Javier Smaldone, 2009 Peter Hoeg"
 
+if ARGV.first == '--version'
+  puts "#{APP_HUMAN_NAME} v#{RailRoad::VERSION::STRING}"
+  exit(0)
+end
+
 require 'options_struct'
 require 'models_diagram'
 require 'controllers_diagram'
@@ -39,8 +46,9 @@ elsif options.command == 'controllers'
 elsif options.command == 'aasm'
   diagram = AasmDiagram.new options
 else
-  STDERR.print "Error: You must supply a command\n" +
-               "  (try #{APP_NAME} -h)\n\n"
+  STDERR.print "#{APP_HUMAN_NAME} v#{RailRoad::VERSION::STRING}\n" +
+    "Error: You must supply a command\n" +
+    "  (try #{APP_NAME} -h)\n\n"
   exit 1
 end
 

lib/version.rb

@@ -0,0 +1,13 @@
+module RailRoad
+  module VERSION #:nodoc:
+    if File.exist?('../VERSION.yml')
+      config = YAML.load(File.read('../VERSION.yml'))
+      MAJOR = config[:major]
+      MINOR = config[:minor]
+      PATCH = config[:patch]
+    else
+      MAJOR = MINOR = PATCH = 0
+    end
+    STRING = [MAJOR, MINOR, PATCH].join('.')
+  end
+end

railroad.gemspec

@@ -2,24 +2,26 @@
 
 Gem::Specification.new do |s|
   s.name = %q{railroad}
-  s.version = "0.5.6"
+  s.version = "0.5.7"
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
   s.authors = ["Peter Hoeg", "Javier Smaldone"]
-  s.date = %q{2009-05-15}
+  s.date = %q{2009-05-16}
   s.default_executable = %q{railroad}
+  s.description = %q{A DOT diagram generator for Ruby on Rail applications}
   s.email = ["peter@hoeg.com", "p.hoeg@northwind.sg", "javier@smaldone.com.ar"]
   s.executables = ["railroad"]
   s.extra_rdoc_files = [
-    "LICENSE",
+    "AUTHORS.rdoc",
+     "CHANGELOG.rdoc",
+     "LICENSE.rdoc",
      "README.rdoc"
   ]
   s.files = [
     ".document",
-     ".gitignore",
      "AUTHORS.rdoc",
      "CHANGELOG.rdoc",
-     "LICENSE",
+     "LICENSE.rdoc",
      "README.rdoc",
      "Rakefile",
      "VERSION.yml",
@@ -30,7 +32,7 @@ Gem::Specification.new do |s|
      "lib/diagram_graph.rb",
      "lib/models_diagram.rb",
      "lib/options_struct.rb",
-     "railroad.gemspec",
+     "lib/version.rb",
      "spec/app_diagram_spec.rb",
      "spec/railroad_spec.rb",
      "spec/spec_helper.rb"