# Changelog

## Unreleased

...

## 2.2.1

### Performance improvements

* Get rid of unused Rails Engine class definition ([#247](https://github.com/rubyconfig/config/pull/247))
* Require dry-validation only when schema is specified ([#253](https://github.com/rubyconfig/config/pull/253))
* Defer modification of `ActionController::Base` to when it is loaded in Rails integration ([#250](https://github.com/rubyconfig/config/pull/250))

### Bug fixes

* Fix missing new_ostruct_member in Ruby 2.7 ([#255](https://github.com/rubyconfig/config/pull/255))
* Fix validation contract documentation ([#260](https://github.com/rubyconfig/config/pull/260))
* Fix validation contract documentation ([#260](https://github.com/rubyconfig/config/pull/260))

### Changes

* Use sprockets 3.x when running unit tests for Rails 4.2 ([#256](https://github.com/rubyconfig/config/pull/256))
* Cleanup example Rails application used for testing ([#263](https://github.com/rubyconfig/config/pull/263))
* Upgrade markdown linter and fix errors ([#265](https://github.com/rubyconfig/config/pull/265))
* Upgrade development dependencies and test matrix with latest Ruby and Rails versions ([#264](https://github.com/rubyconfig/config/pull/264))
* Replace Travis CI with GitHub Actions ([#266](https://github.com/rubyconfig/config/pull/266))
* Add Rails 6.0 to the test matrix ([#258](https://github.com/rubyconfig/config/pull/258))
* Rename GitHub organization name from `railsconfig` to `rubyconfig` ([#268](https://github.com/rubyconfig/config/pull/268))

## 2.1.0

### New features

* Add dry-validation contract support ([#238](https://github.com/rubyconfig/config/pull/238))

### Changes

* Get rid of activesupport dependency ([#230](https://github.com/rubyconfig/config/pull/230))
* Ignore .local files in test environment ([#135](https://github.com/rubyconfig/config/issues/135), [#233](https://github.com/rubyconfig/config/pull/233))
* Execute default rspec against latest Rails app and load appropriate development dependencies dynamically ([#241](https://github.com/rubyconfig/config/pull/241))
* Fix inconsistent documentation for ENV prefix and default value in generator ([#246](https://github.com/rubyconfig/config/pull/246))

### Bug fixes

* Fix warnings when running tests in Rails 5 scope ([#240](https://github.com/rubyconfig/config/issues/240)
* Do not run incompatible code coverage on truffleruby ([#242](https://github.com/rubyconfig/config/issues/242)

## 2.0.0

### BREAKING CHANGES

After upgrade to dry-schema 1.0 we had to drop support for Rails `< 4.2` and Ruby `< 2.4`.
If you need older version of Ruby or Rails, please stick to 1.x version of this gem.

### New features

* Add `merge_hash_arrays` as a configuration option ([#214](https://github.com/rubyconfig/config/pull/214))

### Changes

* Upgraded dry-validation dependency to dry-schema 1.0 ([#224](https://github.com/rubyconfig/config/pull/224))
* Moved constant to be defined on `Object` instead of `Kernel` ([#227](https://github.com/rubyconfig/config/issues/227))
* Add TruffleRuby to the test matrix ([#229](https://github.com/rubyconfig/config/issues/229))

## 1.7.2

### Bug fixes

* Lock max version of dry-validation depending on the ruby version ([#223](https://github.com/rubyconfig/config/pull/223))

## 1.7.1

### New features

* Upgrade dependencies ([#211](https://github.com/rubyconfig/config/pull/211))

### Changes

* Add Ruby 2.5 and Rails 5.1 to the testing matrix on Travis ([#201](https://github.com/rubyconfig/config/pull/201))
* Add Ruby 2.6 to the test matrix ([#210](https://github.com/rubyconfig/config/pull/210))
* Add Rails 5.2 to the test matrix ([#212](https://github.com/rubyconfig/config/pull/212))

## 1.7.0

### New features

* **WARNING:** `nil` values will from now on overwrite an existing value when merging configs! This change of behavior can be reverted via `config.merge_nil_values = false` in your Config initializer ([#196](https://github.com/rubyconfig/config/pull/196))

## 1.6.1

### Bug fixes

* Make dry-validation dependency less strict allowing to use newer versions ([#183](https://github.com/rubyconfig/config/pull/183))
* Fix `key?` and `has_key?`, which raise NoMethodError in non Rails environment, by using ActiveSupport `#delegate` implicitly ([#185](https://github.com/rubyconfig/config/pull/185))
* Update `deep_merge` dependency to latest version (v1.2.1) ([#191](https://github.com/rubyconfig/config/pull/191))
* Upgrade `rubocop` to version 0.52.1 ([#193](https://github.com/rubyconfig/config/pull/193))
* Add `zip` to the list of reserved keywords ([#197](https://github.com/rubyconfig/config/pull/197))

## 1.6.0

### New features

* `Config#fail_on_missing` option (default `false`) to raise a `KeyError` exception when accessing a non-existing key
* Add ability to test if a value was set for a given key with `key?` and `has_key?` ([#182](https://github.com/rubyconfig/config/pull/182))

## 1.5.1

### New features

* Add parsing of ENV variable values to Boolean type ([#180](https://github.com/rubyconfig/config/pull/180))

## 1.5.0

### New features

* Add ability to validate config schema ([#155](https://github.com/rubyconfig/config/pull/155) thanks to [@ok32](https://github.com/ok32))
* Add count to the reserved names list ([#167](https://github.com/rubyconfig/config/pull/167) thanks to [@carbonin](https://github.com/carbonin))

### Bug fixes

* Correctly parse `env_prefix`, which contains `env_separator` ([#177](https://github.com/rubyconfig/config/pull/177) thanks to [@rdodson41](https://github.com/rdodson41))

## 1.4.0

### New features

* Added support for passing a raw ruby hash into to both `Settings.add_source!` and `Settings.prepend_source!` ([#108](https://github.com/rubyconfig/config/pull/159) thanks to [@halloffame](https://github.com/halloffame))

### Bug fixes

* Added new reserved name `test` ([#158](https://github.com/rubyconfig/config/pull/158) thanks to [@milushov](https://github.com/milushov))
* `to_hash` should not replace nested config objects with Hash ([#160](https://github.com/rubyconfig/config/issues/160) thanks to [@seikichi](https://github.com/seikichi))

## 1.3.0

* **WARNING:** Overwrite arrays found in previously loaded settings file ([#137](https://github.com/rubyconfig/config/pull/137) thanks to [@Fryguy](https://github.com/Fryguy) and [@dtaniwaki](https://github.com/dtaniwaki)) - this is a change breaking previous behaviour. If you want to keep Config to work as before, which is merging arrays found in following loaded settings file, please add `config.overwrite_arrays = false` to your Config initializer
* Changed default ENV variables loading settings to downcase variable names and parse values
* Added parsing ENV variables values to Float type
* Change method definition order in Rails integration module to prevent undefined method `preload` error (based on [@YaroSpace](https://github.com/YaroSpace) suggestion in [#111](https://github.com/rubyconfig/config/issues/111)

## 1.2.1

* Fixed support for multilevel settings loaded from ENV variables (inspired by [@cbeer](https://github.com/cbeer) in [#144](https://github.com/rubyconfig/config/pull/144))

## 1.2.0

* Add ability to load settings from ENV variables ([#108](https://github.com/rubyconfig/config/issues/108) thanks to [@vinceve](https://github.com/vinceve) and [@spalladino](https://github.com/spalladino))
* Removed Rails 5 deprecation warnings for prepend_before_filter ([#141](https://github.com/rubyconfig/config/pull/141))

## 1.1.1

* Downgrade minimum ruby version to 2.0.0 ([#136](https://github.com/rubyconfig/config/issues/136))

## 1.1.0

* Add ability to specify knockout_prefix option for deep_merge
* Minor code and documentation refactoring and cleanup

## 1.0.0

* `rubyconfig` is now officially renamed to `Config`
* Fixed array descent when converting to hash ([#89](https://github.com/rubyconfig/config/pull/89))
* Catch OpenStruct reserved keywords ([#95](https://github.com/rubyconfig/config/pull/95) by [@dudo](https://github.com/dudo))
* Allows loading before app configuration process ([#107](https://github.com/rubyconfig/config/pull/107) by [@Antiarchitect](https://github.com/Antiarchitect))
* `deep_merge` is now properly managed via gemspec ([#110](https://github.com/rubyconfig/config/pull/110))
* Added `prepend_source!` ([#102](https://github.com/rubyconfig/config/pull/102))

## 0.99

* Released deprecated gem migrating to the new name

## 0.5.0.beta1

* Ability to use in Settings file keywords reserved for OpenStruct: select, collect ([#95](https://github.com/railsjedi/config/issues/95))
* Made config work without Rails as a hard dependency ([#86](https://github.com/railsjedi/config/issues/86), [#88](https://github.com/railsjedi/config/issues/88))
* Fix generate error when .gitignore is missing ([#85](https://github.com/railsjedi/config/issues/85))
* Fix deprecation warning on File.exists? ([#81](https://github.com/railsjedi/config/issues/81))
* Add a shortcut method for setting files ([#67](https://github.com/railsjedi/config/issues/67))
* Improve YAMLSource load error message by outputting offending file path ([#88](https://github.com/railsjedi/config/issues/88))

## 0.4.2

* Ability to specify the app name when calling the Heroku rake task ([#75](https://github.com/railsjedi/config/issues/75))

## 0.4.1

* Fixed compatibility with Rails 4.1 ([#72](https://github.com/railsjedi/config/issues/72))
* Testing suite verifies compatibility with Rails 3.2, 4.0 and 4.1

## 0.4.0

* Compatibility with Heroku ([#64](https://github.com/railsjedi/config/issues/64))

## 0.3.4

* Expose Settings in application.rb, so you don't have to duplicate configuration for each environment file ([#59](https://github.com/railsjedi/config/issues/59))
* Adding support for Rails 4.1.0.rc ([#70](https://github.com/railsjedi/config/issues/70))