Merge branch 'gitlab-ce-fix/revert-ruby-2.2' into 'master'

revert back to ruby 2.1

- - -

Revert Ruby 2.2 changes - until we solve https://gitlab.com/gitlab-org/gitlab-ce/issues/13514

This also updates Ruby 2.1.7 to 2.1.8

See merge request !2898

.gitlab-ci.yml

-image: "ruby:2.2"
+image: "ruby:2.1"
 services:
   - mysql:latest
@@ -6,7 +6,7 @@ services:
   - redis:latest
 cache:
-  key: "ruby22"
+  key: "ruby21"
   paths:
   - vendor
@@ -140,87 +140,87 @@ bundler:audit:
     - mysql
   allow_failure: true
-# Ruby 2.1 jobs
-spec:feature:ruby21:
-  image: ruby:2.1
+# Ruby 2.2 jobs
+spec:feature:ruby22:
+  image: ruby:2.2
   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"
+    key: "ruby22"
     paths:
     - vendor
   tags:
     - ruby
     - mysql
-spec:api:ruby21:
-  image: ruby:2.1
+spec:api:ruby22:
+  image: ruby:2.2
   only:
   - master
   script:
     - RAILS_ENV=test SIMPLECOV=true bundle exec rake spec:api
   cache:
-    key: "ruby21"
+    key: "ruby22"
     paths:
     - vendor
   tags:
     - ruby
     - mysql
-spec:models:ruby21:
-  image: ruby:2.1
+spec:models:ruby22:
+  image: ruby:2.2
   only:
   - master
   script:
     - RAILS_ENV=test SIMPLECOV=true bundle exec rake spec:models
   cache:
-    key: "ruby21"
+    key: "ruby22"
     paths:
     - vendor
   tags:
     - ruby
     - mysql
-spec:lib:ruby21:
-  image: ruby:2.1
+spec:lib:ruby22:
+  image: ruby:2.2
   only:
   - master
   script:
     - RAILS_ENV=test SIMPLECOV=true bundle exec rake spec:lib
   cache:
-    key: "ruby21"
+    key: "ruby22"
     paths:
     - vendor
   tags:
     - ruby
     - mysql
-spec:services:ruby21:
-  image: ruby:2.1
+spec:services:ruby22:
+  image: ruby:2.2
   only:
   - master
   script:
     - RAILS_ENV=test SIMPLECOV=true bundle exec rake spec:services
   cache:
-    key: "ruby21"
+    key: "ruby22"
     paths:
     - vendor
   tags:
     - ruby
     - mysql
-spec:benchmark:ruby21:
-  image: ruby:2.1
+spec:benchmark:ruby22:
+  image: ruby:2.2
   only:
   - master
   script:
     - RAILS_ENV=test bundle exec rake spec:benchmark
   cache:
-    key: "ruby21"
+    key: "ruby22"
     paths:
     - vendor
   tags:
@@ -228,56 +228,56 @@ spec:benchmark:ruby21:
     - mysql
   allow_failure: true
-spec:other:ruby21:
-  image: ruby:2.1
+spec:other:ruby22:
+  image: ruby:2.2
   only:
   - master
   script:
     - RAILS_ENV=test SIMPLECOV=true bundle exec rake spec:other
   cache:
-    key: "ruby21"
+    key: "ruby22"
     paths:
     - vendor
   tags:
     - ruby
     - mysql
-spinach:project:half:ruby21:
-  image: ruby:2.1
+spinach:project:half:ruby22:
+  image: ruby:2.2
   only:
   - master
   script:
     - RAILS_ENV=test SIMPLECOV=true bundle exec rake spinach:project:half
   cache:
-    key: "ruby21"
+    key: "ruby22"
     paths:
     - vendor
   tags:
     - ruby
     - mysql
-spinach:project:rest:ruby21:
-  image: ruby:2.1
+spinach:project:rest:ruby22:
+  image: ruby:2.2
   only:
   - master
   script:
     - RAILS_ENV=test SIMPLECOV=true bundle exec rake spinach:project:rest
   cache:
-    key: "ruby21"
+    key: "ruby22"
     paths:
     - vendor
   tags:
     - ruby
     - mysql
-spinach:other:ruby21:
-  image: ruby:2.1
+spinach:other:ruby22:
+  image: ruby:2.2
   only:
   - master
   script:
     - RAILS_ENV=test SIMPLECOV=true bundle exec rake spinach:other
   cache:
-    key: "ruby21"
+    key: "ruby22"
     paths:
     - vendor
   tags:

.ruby-version

-2.2.4
+2.1.8

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: 2.1.8
 - 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-2.1.8.tar.gz
+    echo 'c7e50159357afd87b13dc5eaf4ac486a70011149  ruby-2.1.8.tar.gz' | shasum -c - && tar xzf ruby-2.1.8.tar.gz
+    cd ruby-2.1.8
     ./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