Added extra sources in initializer

README.md

@@ -154,6 +154,18 @@ Example production environment config file:
 #{Rails.root}/config/environments/production.yml
 ```
 
+### Extra sources
+
+You can load extra sources from the config folder during initialization by setting the `extra_sources` configuration option.
+
+```ruby
+Config.setup do |config|
+  config.extra_sources = ['extra_settings']
+end
+```
+
+This will also overwrite the same config entries from the main file.
+
 ### Developer specific config files
 
 If you want to have local settings, specific to your machine or development environment, you can use the following files, which are automatically `.gitignore` :

lib/config.rb

@@ -29,7 +29,8 @@ module Config
     merge_hash_arrays: false,
     validation_contract: nil,
     evaluate_erb_in_yaml: true,
-    environment: nil
+    environment: nil,
+    extra_sources: []
   )
 
   def self.setup
@@ -63,6 +64,7 @@ def self.load_and_set_settings(*sources)
   def self.setting_files(config_root, env)
     [
       File.join(config_root, "#{Config.file_name}.yml").to_s,
+      *Config.extra_sources.map { |source| File.join(config_root, "#{source}.yml") },
       File.join(config_root, Config.dir_name, "#{env}.yml").to_s,
       File.join(config_root, 'environments', "#{env}.yml").to_s,
       *local_setting_files(config_root, env)
@@ -72,6 +74,7 @@ def self.setting_files(config_root, env)
   def self.local_setting_files(config_root, env)
     [
       (File.join(config_root, "#{Config.file_name}.local.yml").to_s if env != 'test'),
+      *Config.extra_sources.map { |source| File.join(config_root, "#{source}.local.yml") },
       File.join(config_root, Config.dir_name, "#{env}.local.yml").to_s,
       File.join(config_root, 'environments', "#{env}.local.yml").to_s
     ].compact

lib/generators/config/templates/config.rb

@@ -65,4 +65,8 @@
   #
   # config.file_name = 'settings'
   # config.dir_name = 'settings'
+
+  # Load extra sources from config folder
+  #
+  # config.extra_sources = ['extra_settings']
 end

spec/config_spec.rb

@@ -38,6 +38,24 @@
     expect(config.root['google.com']).to eq(3)
   end
 
+  it "should load extra_sources files" do
+    Config.setup do |config|
+      config.extra_sources = ['settings2']
+    end
+
+    config = Config.setting_files("root/config", "staging")
+    expect(config).to eq([
+                           'root/config/settings.yml',
+                           'root/config/settings2.yml',
+                           'root/config/settings/staging.yml',
+                           'root/config/environments/staging.yml',
+                           'root/config/settings.local.yml',
+                           'root/config/settings2.local.yml',
+                           'root/config/settings/staging.local.yml',
+                           'root/config/environments/staging.local.yml'
+                         ])
+  end
+
   it "should load 2 basic config files" do
     config = Config.load_files("#{fixture_path}/settings.yml", "#{fixture_path}/settings2.yml")
     expect(config.size).to eq(1)

spec/spec_helper.rb

@@ -87,6 +87,7 @@ def self.reset
         self.fail_on_missing      = false
         self.file_name            = 'settings'
         self.dir_name             = 'settings'
+        self.extra_sources        = []
         instance_variable_set(:@_ran_once, false)
       end
     end