Add posibility to define model_dir as an array of directorie paths

README.rdoc

@@ -176,7 +176,7 @@ you can do so with a simple environment variable, instead of editing the
         -m, --show-migration             Include the migration version number in the annotation
         -i, --show-indexes               List the table's database indexes in the annotation
         -s, --simple-indexes             Concat the column's related indexes in the annotation
-            --model-dir dir              Annotate model files stored in dir rather than app/models
+            --model-dir dir              Annotate model files stored in dir rather than app/models, separate multiple dirs with comas
             --ignore-model-subdirects    Ignore subdirectories of the models directory
             --sort                       Sort columns alphabetically, rather than in creation order
         -R, --require path               Additional file to require before loading models, may be used multiple times

bin/annotate

@@ -120,7 +120,7 @@ OptionParser.new do |opts|
   end
 
   opts.on('--model-dir dir',
-          "Annotate model files stored in dir rather than app/models") do |dir|
+          "Annotate model files stored in dir rather than app/models, separate multiple dirs with comas") do |dir|
     ENV['model_dir'] = dir
   end
 

lib/annotate.rb

@@ -27,10 +27,10 @@ module Annotate
     :timestamp, :exclude_serializers
   ]
   OTHER_OPTIONS=[
-    :model_dir, :ignore_columns
+    :ignore_columns
   ]
   PATH_OPTIONS=[
-    :require,
+    :require, :model_dir
   ]
 
 
@@ -70,7 +70,7 @@ module Annotate
     end
 
     if(!options[:model_dir])
-      options[:model_dir] = 'app/models'
+      options[:model_dir] = ['app/models']
     end
 
     return options
@@ -111,8 +111,10 @@ module Annotate
         klass.eager_load!
       end
     else
-      FileList["#{options[:model_dir]}/**/*.rb"].each do |fname|
-        require File.expand_path(fname)
+      options[:model_dir].each do |dir|
+        FileList["#{dir}/**/*.rb"].each do |fname|
+          require File.expand_path(fname)
+        end
       end
     end
   end

lib/annotate/annotate_models.rb

@@ -73,7 +73,7 @@ module AnnotateModels
 
   class << self
     def model_dir
-      @model_dir || "app/models"
+      @model_dir.is_a?(Array) ? @model_dir : [@model_dir || "app/models"]
     end
 
     def model_dir=(dir)
@@ -311,7 +311,7 @@ module AnnotateModels
         did_annotate = false
         model_name = klass.name.underscore
         table_name = klass.table_name
-        model_file_name = File.join(model_dir, file)
+        model_file_name = File.join(file)
 
         if annotate_one_file(model_file_name, info, :position_in_class, options_with_position(options, :position_in_class))
           did_annotate = true
@@ -357,15 +357,17 @@ module AnnotateModels
       models.reject!{|m| m.match(/^(.*)=/)}
       if models.empty?
         begin
-          Dir.chdir(model_dir) do
-            models = if options[:ignore_model_sub_dir]
-              Dir["*.rb"]
-            else
-              Dir["**/*.rb"].reject{ |f| f["concerns/"] }
+          model_dir.each do |dir|
+            Dir.chdir(dir) do
+              models.concat( if options[:ignore_model_sub_dir]
+                Dir["*.rb"].map{ |f| [dir, f] }
+              else
+                Dir["**/*.rb"].reject{ |f| f["concerns/"] }.map{ |f| [dir, f] }
+              end)
             end
           end
         rescue SystemCallError
-          puts "No models found in directory '#{model_dir}'."
+          puts "No models found in directory '#{model_dir.join("', '")}'."
           puts "Either specify models on the command line, or use the --model-dir option."
           puts "Call 'annotate --help' for more info."
           exit 1
@@ -379,11 +381,12 @@ module AnnotateModels
     # in subdirectories without namespacing.
     def get_model_class(file)
       model_path = file.gsub(/\.rb$/, '')
+      model_dir.each { |dir| model_path = model_path.gsub(/^#{dir}/, '').gsub(/^\//, '') }
       begin
         get_loaded_model(model_path) or raise LoadError.new("cannot load a model from #{file}")
       rescue LoadError
         # this is for non-rails projects, which don't get Rails auto-require magic
-        if Kernel.require(File.expand_path("#{model_dir}/#{model_path}"))
+        if Kernel.require(file)
           retry
         elsif model_path.match(/\//)
           model_path = model_path.split('/')[1..-1].join('/').to_s
@@ -428,10 +431,10 @@ module AnnotateModels
 
       annotated = []
       get_model_files(options).each do |file|
-        annotate_model_file(annotated, file, header, options)
+        annotate_model_file(annotated, File.join(file), header, options)
       end
       if annotated.empty?
-        puts "Nothing annotated."
+        puts "Nothing to annotate."
       else
         puts "Annotated (#{annotated.length}): #{annotated.join(', ')}"
       end
@@ -456,12 +459,13 @@ module AnnotateModels
       deannotated = []
       deannotated_klass = false
       get_model_files(options).each do |file|
+        file = File.join(file)
         begin
           klass = get_model_class(file)
           if klass < ActiveRecord::Base && !klass.abstract_class?
             model_name = klass.name.underscore
             table_name = klass.table_name
-            model_file_name = File.join(model_dir, file)
+            model_file_name = file
             deannotated_klass = true if(remove_annotation_of_file(model_file_name))
 
             (TEST_PATTERNS + FIXTURE_PATTERNS + FACTORY_PATTERNS).
@@ -475,7 +479,7 @@ module AnnotateModels
           end
           deannotated << klass if(deannotated_klass)
         rescue Exception => e
-          puts "Unable to deannotate #{file}: #{e.message}"
+          puts "Unable to deannotate #{File.join(file)}: #{e.message}"
           puts "\t" + e.backtrace.join("\n\t") if options[:trace]
         end
       end

lib/tasks/annotate_models.rake

@@ -18,7 +18,7 @@ task :annotate_models => :environment do
   options[:position_in_test] = Annotate.fallback(ENV['position_in_test'], ENV['position'])
   options[:show_indexes] = Annotate.true?(ENV['show_indexes'])
   options[:simple_indexes] = Annotate.true?(ENV['simple_indexes'])
-  options[:model_dir] = ENV['model_dir']
+  options[:model_dir] = ENV['model_dir'] ? ENV['model_dir'].split(',') : []
   options[:include_version] = Annotate.true?(ENV['include_version'])
   options[:require] = ENV['require'] ? ENV['require'].split(',') : []
   options[:exclude_tests] = Annotate.true?(ENV['exclude_tests'])