loosen rails version requirements for gems

fixes: CNVS-12259

test plan:
- run unit tests, run bundle, verify app starts up without rails version
  conflicts

Change-Id: Iddd6167bbb8a4cc61ca015fc979236659e24da73
Reviewed-on: https://gerrit.instructure.com/33126
Tested-by: Jenkins <jenkins@instructure.com>
Product-Review: Simon Williams <simon@instructure.com>
QA-Review: Simon Williams <simon@instructure.com>
Reviewed-by: Brian Palmer <brianp@instructure.com>

gems/acts_as_list/Gemfile

@@ -1,8 +1,2 @@
 source 'https://rubygems.org'
 gemspec
-
-if CANVAS_RAILS3
-  gem 'rails', '3.2.15'
-else
-  gem 'rails', :github => 'makandra/rails', :branch => '2-3-lts', :ref => 'e86daf8ff727d5efc0040c876ba00c9444a5d915'
-end

gems/acts_as_list/acts_as_list.gemspec

@@ -3,7 +3,7 @@ lib = File.expand_path('../lib', __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 
 unless defined?(CANVAS_RAILS3)
-  CANVAS_RAILS3 = !!ENV["CANVAS_RAILS3"] || File.exist?(File.expand_path("../../../config/RAILS3", __FILE__))
+  require File.expand_path("../../../config/canvas_rails3", __FILE__)
 end
 
 Gem::Specification.new do |spec|
@@ -20,7 +20,11 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_dependency "rails"
+  if CANVAS_RAILS3
+    spec.add_dependency 'rails', '~>3.2'
+  else
+    spec.add_dependency 'rails', '~>2.3'
+  end
 
   spec.add_development_dependency "bundler", "~> 1.5"
   spec.add_development_dependency "sqlite3"

gems/adheres_to_policy/Gemfile

@@ -4,10 +4,3 @@ source 'https://rubygems.org'
 gemspec
 gem 'simplecov', '0.8.2', :require => false
 gem 'simplecov-rcov', '0.2.3', :require => false
-require File.expand_path("../../../config/canvas_rails3", __FILE__)
-
-if CANVAS_RAILS3
-  gem 'rails', '3.2.15'
-else
-  gem 'rails', :github => 'makandra/rails', :branch => '2-3-lts', :ref => 'e86daf8ff727d5efc0040c876ba00c9444a5d915'
-end

gems/adheres_to_policy/adheres_to_policy.gemspec

@@ -2,6 +2,10 @@
 lib = File.expand_path('../lib', __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 
+unless defined?(CANVAS_RAILS3)
+  require File.expand_path("../../../config/canvas_rails3", __FILE__)
+end
+
 Gem::Specification.new do |spec|
   spec.name          = "adheres_to_policy"
   spec.version       = '0.0.1'
@@ -14,7 +18,11 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_dependency "rails"
+  if CANVAS_RAILS3
+    spec.add_dependency 'rails', '~>3.2'
+  else
+    spec.add_dependency 'rails', '~>2.3'
+  end
 
   spec.add_development_dependency "bundler", "~> 1.5"
   spec.add_development_dependency "rake"

gems/adheres_to_policy/test.sh

@@ -2,7 +2,7 @@
 result=0
 
 echo "################ Running tests against Rails 2 ################"
-unset  CANVAS_RAILS3
+export  CANVAS_RAILS3=0
 bundle install
 bundle exec rspec spec
 let result=$result+$?

gems/canvas_stringex/Gemfile

@@ -4,11 +4,6 @@ gemspec
 gem 'simplecov', '0.8.2', :require => false
 gem 'simplecov-rcov', '0.2.3', :require => false
 
-if CANVAS_RAILS3
-  gem 'rails', '3.2.15'
-else
-  gem 'rails', :github => 'makandra/rails', :branch => '2-3-lts', :ref => 'e86daf8ff727d5efc0040c876ba00c9444a5d915'
-end
 
 platforms :ruby_20, :ruby_21 do
   gem 'syck', '1.0.1'

gems/canvas_stringex/canvas_stringex.gemspec

@@ -18,8 +18,11 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  unless CANVAS_RAILS3
+  if CANVAS_RAILS3
+    spec.add_dependency 'rails', '~>3.2'
+  else
     spec.add_dependency 'fake_arel', '~> 1.5'
+    spec.add_dependency 'rails', '~>2.3'
   end
 
   spec.add_development_dependency "activerecord"

gems/canvas_stringex/test.sh

@@ -2,7 +2,7 @@
 result=0
 
 echo "################ Running tests against Rails 2 ################"
-unset CANVAS_RAILS3
+export CANVAS_RAILS3=0
 bundle install
 bundle exec rspec spec
 let result=$result+$?

gems/html_text_helper/Gemfile

@@ -4,11 +4,3 @@ source 'https://rubygems.org'
 gemspec
 gem 'simplecov', '0.8.2', :require => false
 gem 'simplecov-rcov', '0.2.3', :require => false
-
-require File.expand_path("../../../config/canvas_rails3", __FILE__)
-
-if CANVAS_RAILS3
-  gem 'rails', '3.2.15'
-else
-  gem 'rails', :github => 'makandra/rails', :branch => '2-3-lts', :ref => 'e86daf8ff727d5efc0040c876ba00c9444a5d915'
-end

gems/html_text_helper/html_text_helper.gemspec

@@ -2,6 +2,10 @@
 lib = File.expand_path('../lib', __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 
+unless defined?(CANVAS_RAILS3)
+  require File.expand_path("../../../config/canvas_rails3", __FILE__)
+end
+
 Gem::Specification.new do |spec|
   spec.name          = "html_text_helper"
   spec.version       = '0.0.1'
@@ -15,9 +19,14 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_dependency 'nokogiri', '1.5.6'
-  spec.add_dependency 'rails'
   spec.add_dependency 'sanitize', '2.0.3'
 
+  if CANVAS_RAILS3
+    spec.add_dependency 'rails', '~>3.2'
+  else
+    spec.add_dependency 'rails', '~>2.3'
+  end
+
   spec.add_development_dependency "bundler", "~> 1.5"
   spec.add_development_dependency "rake"
   spec.add_development_dependency "rspec", "2.14.1"

gems/html_text_helper/test.sh

@@ -2,7 +2,7 @@
 result=0
 
 echo "################ Running tests against Rails 2 ################"
-unset  CANVAS_RAILS3
+export  CANVAS_RAILS3=0
 bundle install
 bundle exec rspec spec
 let result=$result+$?

gems/workflow/Gemfile

@@ -2,11 +2,3 @@ source 'https://rubygems.org'
 
 # Specify your gem's dependencies in canvas_workflow.gemspec
 gemspec
-
-require File.expand_path("../../../config/canvas_rails3", __FILE__)
-
-if CANVAS_RAILS3
-  gem 'rails', '3.2.15'
-else
-  gem 'rails', :github => 'makandra/rails', :branch => '2-3-lts', :ref => 'e86daf8ff727d5efc0040c876ba00c9444a5d915'
-end

gems/workflow/workflow.gemspec

@@ -2,6 +2,10 @@
 lib = File.expand_path('../lib', __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 
+unless defined?(CANVAS_RAILS3)
+  require File.expand_path("../../../config/canvas_rails3", __FILE__)
+end
+
 Gem::Specification.new do |spec|
   spec.name          = "workflow"
   spec.version       = '0.0.1'
@@ -14,7 +18,11 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_dependency 'rails'
+  if CANVAS_RAILS3
+    spec.add_dependency 'rails', '~>3.2'
+  else
+    spec.add_dependency 'rails', '~>2.3'
+  end
 
   spec.add_development_dependency "bundler", "~> 1.5"
   spec.add_development_dependency "rake"