From 8f7df005f5af5a78dd349e9baa86e8b2786f118e Mon Sep 17 00:00:00 2001
From: Ketan Padegaonkar <KetanPadegaonkar@gmail.com>
Date: Sat, 9 Nov 2013 12:52:26 +0530
Subject: [PATCH 1/2] Add the ability to parse the ruby version specification
 in the gem file

---
 lib/gemnasium/parser/gemfile.rb       |  9 +++++++++
 lib/gemnasium/parser/patterns.rb      |  3 +++
 spec/gemnasium/parser/gemfile_spec.rb | 15 +++++++++++++++
 3 files changed, 27 insertions(+)

diff --git a/lib/gemnasium/parser/gemfile.rb b/lib/gemnasium/parser/gemfile.rb
index 81b1a78..106c623 100644
--- a/lib/gemnasium/parser/gemfile.rb
+++ b/lib/gemnasium/parser/gemfile.rb
@@ -28,6 +28,15 @@ def gemspec
         end
       end
 
+      def ruby
+        @ruby ||= begin
+          if spec = matches(Patterns::RUBY_CALL).last
+            opts = Patterns.options(spec["opts"])
+            Bundler::RubyVersion.new(spec['version'], opts['engine'], opts['engine_version'])
+          end
+        end
+      end
+
       def gemspec?
         !!gemspec
       end
diff --git a/lib/gemnasium/parser/patterns.rb b/lib/gemnasium/parser/patterns.rb
index a98ffc9..ba4067f 100644
--- a/lib/gemnasium/parser/patterns.rb
+++ b/lib/gemnasium/parser/patterns.rb
@@ -35,6 +35,9 @@ module Patterns
 
       ADD_DEPENDENCY_CALL = /^[ \t]*\w+\.add(?<type>_runtime|_development)?_dependency\(?[ \t]*#{QUOTED_GEM_NAME}(?:[ \t]*,[ \t]*#{REQUIREMENTS})?[ \t]*\)?[ \t]*#{COMMENT}$/
 
+      QUOTED_RUBY_VERSION = /(?:(?<gq>["'])(?<version>#{VERSION})\k<gq>|%q<(?<version>#{VERSION})>)/
+      RUBY_CALL = /^[ \t]*ruby\(?[ \t]*#{QUOTED_RUBY_VERSION}(?:[ \t]*,[ \t]*(?<opts>#{OPTIONS}))?[ \t]*\)?[ \t]*#{COMMENT}$/
+
       def self.options(string)
         {}.tap do |hash|
           return hash unless string
diff --git a/spec/gemnasium/parser/gemfile_spec.rb b/spec/gemnasium/parser/gemfile_spec.rb
index 9ae6ba6..1de9f95 100644
--- a/spec/gemnasium/parser/gemfile_spec.rb
+++ b/spec/gemnasium/parser/gemfile_spec.rb
@@ -43,6 +43,21 @@ def reset
     dependencies.size.should == 0
   end
 
+  it "does not barf on missing ruby specification" do
+    content(%(gem "rake"))
+    gemfile.ruby.should == nil
+  end
+
+  it "detects ruby specification" do
+    content(%(ruby "1.8.7"))
+    gemfile.ruby.should == Bundler::RubyVersion.new('1.8.7', 'ruby', '1.8.7')
+  end
+
+  it "detects ruby specification with engine and engine_version" do
+    content(%(ruby "1.8.7", :engine => "jruby", :engine_version => "1.6.7"))
+    gemfile.ruby.should == Bundler::RubyVersion.new('1.8.7', 'jruby', '1.6.7')
+  end
+
   it "parses gems with a period in the name" do
     content(%(gem "pygment.rb", ">= 0.8.7"))
     dependency.name.should == "pygment.rb"

From 504c078591f5c7554a2261f5d6f19e12f2bc3351 Mon Sep 17 00:00:00 2001
From: Ketan Padegaonkar <KetanPadegaonkar@gmail.com>
Date: Sat, 9 Nov 2013 12:54:04 +0530
Subject: [PATCH 2/2] Bump version

---
 CHANGELOG.md             | 6 +++++-
 gemnasium-parser.gemspec | 2 +-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 110d145..90064d0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.2.0 / 2013-11-09
+
+* add the ability to parse the ruby version specification
+
 ## 0.1.9 / 2012-11-19
 
 Bugfixes:
@@ -10,7 +14,7 @@ Bugfixes:
 
 * support :github option and exclude gems that use it
 * add CHANGELOG
-  
+
 ## 0.1.7 2012-10-17
 
 Bugfixes:
diff --git a/gemnasium-parser.gemspec b/gemnasium-parser.gemspec
index b4aa1ff..e22170d 100644
--- a/gemnasium-parser.gemspec
+++ b/gemnasium-parser.gemspec
@@ -2,7 +2,7 @@
 
 Gem::Specification.new do |gem|
   gem.name    = "gemnasium-parser"
-  gem.version = "0.1.9"
+  gem.version = "0.2.0"
 
   gem.authors     = "Steve Richert"
   gem.email       = "steve.richert@gmail.com"