From 44db56a4e406ea4d3a5450dd2853b0fe5d1c3411 Mon Sep 17 00:00:00 2001
From: Steve Richert <steve.richert@gmail.com>
Date: Thu, 15 Dec 2011 12:08:41 -0500
Subject: [PATCH] Allow parentheses in gemfile gem method calls

---
 lib/gemnasium/parser/patterns.rb      | 2 +-
 spec/gemnasium/parser/gemfile_spec.rb | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/gemnasium/parser/patterns.rb b/lib/gemnasium/parser/patterns.rb
index 9fa4660..c622bb8 100644
--- a/lib/gemnasium/parser/patterns.rb
+++ b/lib/gemnasium/parser/patterns.rb
@@ -20,7 +20,7 @@ module Patterns
       PAIR = /(?:(#{KEY})\s*=>\s*(#{VALUE})|(\w+):\s+(#{VALUE}))/
       OPTIONS = /#{PAIR}(?:\s*,\s*#{PAIR})*/
 
-      GEM_CALL = /^\s*gem\s+(?<q1>["'])(?<name>#{GEM_NAME})\k<q1>(?:\s*,\s*#{REQUIREMENT_LIST})?(?:\s*,\s*(?<opts>#{OPTIONS}))?\s*$/
+      GEM_CALL = /^\s*gem\s*\(?\s*(?<q1>["'])(?<name>#{GEM_NAME})\k<q1>(?:\s*,\s*#{REQUIREMENT_LIST})?(?:\s*,\s*(?<opts>#{OPTIONS}))?\s*\)?\s*$/
 
       SYMBOLS = /#{SYMBOL}(\s*,\s*#{SYMBOL})*/
       GROUP_CALL = /^(?<i1>\s*)group\s+(?<grps>#{SYMBOLS})\s+do\s*?\n(?<blk>.*?)\n^\k<i1>end\s*$/m
diff --git a/spec/gemnasium/parser/gemfile_spec.rb b/spec/gemnasium/parser/gemfile_spec.rb
index 1c27c96..ced64ec 100644
--- a/spec/gemnasium/parser/gemfile_spec.rb
+++ b/spec/gemnasium/parser/gemfile_spec.rb
@@ -203,4 +203,10 @@ def reset
     dependencies[2].type.should == :runtime
     dependencies[3].type.should == :development
   end
+
+  it "parses parentheses" do
+    content(%(gem("rake", ">= 0.8.7")))
+    dependency.name.should == "rake"
+    dependency.requirement.should == ">= 0.8.7"
+  end
 end