Fix CI: use aws-sdk ~> 2.3.0

.travis.yml

@@ -5,21 +5,13 @@ rvm:
 script: "bundle exec rake clean spec cucumber"
 
 gemfile:
-  - gemfiles/4.2.awsv2.0.gemfile
-  - gemfiles/4.2.awsv2.1.gemfile
-  - gemfiles/5.0.awsv2.0.gemfile
-  - gemfiles/5.0.awsv2.1.gemfile
+  - gemfiles/4.2.gemfile
+  - gemfiles/5.0.gemfile
 
 matrix:
   fast_finish: true
   exclude:
-    - gemfile: gemfiles/5.0.awsv2.0.gemfile
-      rvm: 2.0
-    - gemfile: gemfiles/5.0.awsv2.1.gemfile
-      rvm: 2.0
-    - gemfile: gemfiles/5.0.awsv2.0.gemfile
-      rvm: 2.1
-    - gemfile: gemfiles/5.0.awsv2.1.gemfile
+    - gemfile: gemfiles/5.0.gemfile
       rvm: 2.1
 
 sudo: false

Appraisals

-appraise "4.2.awsv2.3" do
+appraise "4.2" do
   gem "rails", "~> 4.2.0"
-  gem "aws-sdk", "~> 2.3.0"
 end
 
-appraise "5.0.awsv2.3" do
-  gem "rails", "5.0.0.beta3"
-  gem "aws-sdk", "~> 2.3.0"
-
-  group :development, :test do
-    gem 'mime-types', '>= 1.16', '< 4'
-  end
+appraise "5.0" do
+  gem "rails", "~> 5.0.0"
 end

README.md

@@ -592,7 +592,7 @@ You may also choose to store your files using Amazon's S3 service. To do so, inc
 the `aws-sdk` gem in your Gemfile:
 
 ```ruby
-gem 'aws-sdk', '>= 2.3.0'
+gem 'aws-sdk', '~> 2.3.0'
 ```
 
 And then you can specify using S3 from `has_attached_file`.

gemfiles/4.2.awsv2.3.gemfile → gemfiles/4.2.gemfile

@@ -5,7 +5,6 @@ source "https://rubygems.org"
 gem "sqlite3", "~> 1.3.8", :platforms => :ruby
 gem "pry"
 gem "rails", "~> 4.2.0"
-gem "aws-sdk", "~> 2.3.0"
 
 group :development, :test do
   gem "activerecord-import"

gemfiles/5.0.awsv2.3.gemfile → gemfiles/5.0.gemfile

@@ -3,16 +3,12 @@
 source "https://rubygems.org"
 
 gem "sqlite3", "~> 1.3.8", :platforms => :ruby
-gem "jruby-openssl", :platforms => :jruby
-gem "activerecord-jdbcsqlite3-adapter", :platforms => :jruby
-gem "rubysl", :platforms => :rbx
-gem "racc", :platforms => :rbx
 gem "pry"
 gem "rails", "~> 5.0.0"
-gem "aws-sdk", "~> 2.3"
 
 group :development, :test do
-  gem "mime-types", "~> 1.16"
+  gem "activerecord-import"
+  gem "mime-types"
   gem "builder"
   gem "rubocop", :require => false
 end