revert back to ruby 2.1

.gitlab-ci.yml

-image: "ruby:2.2"
+image: "ruby:2.1"
 
 services:
   - mysql:latest
@@ -141,146 +141,146 @@ bundler:audit:
   allow_failure: true
 
 # Ruby 2.1 jobs
-
-spec:feature:ruby21:
-  image: ruby:2.1
-  only:
-  - master
-  script:
-    - RAILS_ENV=test bundle exec rake assets:precompile 2>/dev/null
-    - RAILS_ENV=test SIMPLECOV=true bundle exec rake spec:feature
-  cache:
-    key: "ruby21"
-    paths:
-    - vendor
-  tags:
-    - ruby
-    - mysql
-
-spec:api:ruby21:
-  image: ruby:2.1
-  only:
-  - master
-  script:
-    - RAILS_ENV=test SIMPLECOV=true bundle exec rake spec:api
-  cache:
-    key: "ruby21"
-    paths:
-    - vendor
-  tags:
-    - ruby
-    - mysql
-
-spec:models:ruby21:
-  image: ruby:2.1
-  only:
-  - master
-  script:
-    - RAILS_ENV=test SIMPLECOV=true bundle exec rake spec:models
-  cache:
-    key: "ruby21"
-    paths:
-    - vendor
-  tags:
-    - ruby
-    - mysql
-
-spec:lib:ruby21:
-  image: ruby:2.1
-  only:
-  - master
-  script:
-    - RAILS_ENV=test SIMPLECOV=true bundle exec rake spec:lib
-  cache:
-    key: "ruby21"
-    paths:
-    - vendor
-  tags:
-    - ruby
-    - mysql
-
-spec:services:ruby21:
-  image: ruby:2.1
-  only:
-  - master
-  script:
-    - RAILS_ENV=test SIMPLECOV=true bundle exec rake spec:services
-  cache:
-    key: "ruby21"
-    paths:
-    - vendor
-  tags:
-    - ruby
-    - mysql
-
-spec:benchmark:ruby21:
-  image: ruby:2.1
-  only:
-  - master
-  script:
-    - RAILS_ENV=test bundle exec rake spec:benchmark
-  cache:
-    key: "ruby21"
-    paths:
-    - vendor
-  tags:
-    - ruby
-    - mysql
-  allow_failure: true
-
-spec:other:ruby21:
-  image: ruby:2.1
-  only:
-  - master
-  script:
-    - RAILS_ENV=test SIMPLECOV=true bundle exec rake spec:other
-  cache:
-    key: "ruby21"
-    paths:
-    - vendor
-  tags:
-    - ruby
-    - mysql
-
-spinach:project:half:ruby21:
-  image: ruby:2.1
-  only:
-  - master
-  script:
-    - RAILS_ENV=test SIMPLECOV=true bundle exec rake spinach:project:half
-  cache:
-    key: "ruby21"
-    paths:
-    - vendor
-  tags:
-    - ruby
-    - mysql
-
-spinach:project:rest:ruby21:
-  image: ruby:2.1
-  only:
-  - master
-  script:
-    - RAILS_ENV=test SIMPLECOV=true bundle exec rake spinach:project:rest
-  cache:
-    key: "ruby21"
-    paths:
-    - vendor
-  tags:
-    - ruby
-    - mysql
-
-spinach:other:ruby21:
-  image: ruby:2.1
-  only:
-  - master
-  script:
-    - RAILS_ENV=test SIMPLECOV=true bundle exec rake spinach:other
-  cache:
-    key: "ruby21"
-    paths:
-    - vendor
-  tags:
-    - ruby
-    - mysql
-
+#
+#spec:feature:ruby21:
+#  image: ruby:2.1
+#  only:
+#  - master
+#  script:
+#    - RAILS_ENV=test bundle exec rake assets:precompile 2>/dev/null
+#    - RAILS_ENV=test SIMPLECOV=true bundle exec rake spec:feature
+#  cache:
+#    key: "ruby21"
+#    paths:
+#    - vendor
+#  tags:
+#    - ruby
+#    - mysql
+#
+#spec:api:ruby21:
+#  image: ruby:2.1
+#  only:
+#  - master
+#  script:
+#    - RAILS_ENV=test SIMPLECOV=true bundle exec rake spec:api
+#  cache:
+#    key: "ruby21"
+#    paths:
+#    - vendor
+#  tags:
+#    - ruby
+#    - mysql
+#
+#spec:models:ruby21:
+#  image: ruby:2.1
+#  only:
+#  - master
+#  script:
+#    - RAILS_ENV=test SIMPLECOV=true bundle exec rake spec:models
+#  cache:
+#    key: "ruby21"
+#    paths:
+#    - vendor
+#  tags:
+#    - ruby
+#    - mysql
+#
+#spec:lib:ruby21:
+#  image: ruby:2.1
+#  only:
+#  - master
+#  script:
+#    - RAILS_ENV=test SIMPLECOV=true bundle exec rake spec:lib
+#  cache:
+#    key: "ruby21"
+#    paths:
+#    - vendor
+#  tags:
+#    - ruby
+#    - mysql
+#
+#spec:services:ruby21:
+#  image: ruby:2.1
+#  only:
+#  - master
+#  script:
+#    - RAILS_ENV=test SIMPLECOV=true bundle exec rake spec:services
+#  cache:
+#    key: "ruby21"
+#    paths:
+#    - vendor
+#  tags:
+#    - ruby
+#    - mysql
+#
+#spec:benchmark:ruby21:
+#  image: ruby:2.1
+#  only:
+#  - master
+#  script:
+#    - RAILS_ENV=test bundle exec rake spec:benchmark
+#  cache:
+#    key: "ruby21"
+#    paths:
+#    - vendor
+#  tags:
+#    - ruby
+#    - mysql
+#  allow_failure: true
+#
+#spec:other:ruby21:
+#  image: ruby:2.1
+#  only:
+#  - master
+#  script:
+#    - RAILS_ENV=test SIMPLECOV=true bundle exec rake spec:other
+#  cache:
+#    key: "ruby21"
+#    paths:
+#    - vendor
+#  tags:
+#    - ruby
+#    - mysql
+#
+#spinach:project:half:ruby21:
+#  image: ruby:2.1
+#  only:
+#  - master
+#  script:
+#    - RAILS_ENV=test SIMPLECOV=true bundle exec rake spinach:project:half
+#  cache:
+#    key: "ruby21"
+#    paths:
+#    - vendor
+#  tags:
+#    - ruby
+#    - mysql
+#
+#spinach:project:rest:ruby21:
+#  image: ruby:2.1
+#  only:
+#  - master
+#  script:
+#    - RAILS_ENV=test SIMPLECOV=true bundle exec rake spinach:project:rest
+#  cache:
+#    key: "ruby21"
+#    paths:
+#    - vendor
+#  tags:
+#    - ruby
+#    - mysql
+#
+#spinach:other:ruby21:
+#  image: ruby:2.1
+#  only:
+#  - master
+#  script:
+#    - RAILS_ENV=test SIMPLECOV=true bundle exec rake spinach:other
+#  cache:
+#    key: "ruby21"
+#    paths:
+#    - vendor
+#  tags:
+#    - ruby
+#    - mysql
+#

.ruby-version

-2.2.4
+2.1.7

README.md

@@ -67,7 +67,7 @@ Instructions on how to start GitLab and how to run the tests can be found in the
 GitLab is a Ruby on Rails application that runs on the following software:
 
 - Ubuntu/Debian/CentOS/RHEL
-- Ruby (MRI) 2.1 or 2.2
+- Ruby (MRI) 2.1
 - Git 1.7.10+
 - Redis 2.8+
 - MySQL or PostgreSQL

doc/ci/yaml/README.md

@@ -33,7 +33,7 @@ The YAML syntax allows for using more complex job specifications than in the
 above example:
 
 ```yaml
-image: ruby:2.2
+image: ruby:2.1
 services:
   - postgres
 

doc/development/ci_setup.md

@@ -26,7 +26,7 @@ We use [these build scripts](https://gitlab.com/gitlab-org/gitlab-ci/blob/master
 # Build configuration on [Semaphore](https://semaphoreapp.com/gitlabhq/gitlabhq/) for testing the [GitHub.com repo](https://github.com/gitlabhq/gitlabhq)
 
 - Language: Ruby
-- Ruby version: 2.2.4
+- Ruby version: 2.1.7
 - database.yml: pg
 
 Build commands

doc/install/installation.md

@@ -107,7 +107,7 @@ Then select 'Internet Site' and press enter to confirm the hostname.
 
 ## 2. Ruby
 
-_**Note:** The current supported Ruby versions are 2.1.x and 2.2.x. Ruby 2.3 is
+_**Note:** The current supported Ruby version is 2.1.x. Ruby 2.2 and 2.3 are
 currently not supported._
 
 The use of Ruby version managers such as [RVM], [rbenv] or [chruby] with GitLab
@@ -123,9 +123,9 @@ Remove the old Ruby 1.8 if present:
 Download Ruby and compile it:
 
     mkdir /tmp/ruby && cd /tmp/ruby
-    curl -O --progress https://cache.ruby-lang.org/pub/ruby/2.2/ruby-2.2.4.tar.gz
-    echo 'b6eff568b48e0fda76e5a36333175df049b204e91217aa32a65153cc0cdcb761  ruby-2.2.4.tar.gz' | sha256sum -c - && tar xzf ruby-2.2.4.tar.gz
-    cd ruby-2.2.4
+    curl -O --progress https://cache.ruby-lang.org/pub/ruby/2.1/ruby-2.1.7.tar.gz
+    echo 'e2e195a4a58133e3ad33b955c829bb536fa3c075  ruby-2.1.7.tar.gz' | shasum -c - && tar xzf ruby-2.1.7.tar.gz
+    cd ruby-2.1.7
     ./configure --disable-install-rdoc
     make
     sudo make install

doc/install/requirements.md

@@ -32,7 +32,7 @@ Please consider using a virtual machine to run GitLab.
 
 ## Ruby versions
 
-GitLab requires Ruby (MRI) 2.1.x or 2.2.x and currently does not work with version 2.3.
+GitLab requires Ruby (MRI) 2.1.x and currently does not work with versions 2.2 or 2.3.
 
 You will have to use the standard MRI implementation of Ruby.
 We love [JRuby](http://jruby.org/) and [Rubinius](http://rubini.us/) but GitLab