guard init <guard-name> command no more need Gemfile presence but open_gem is required now

Closes #3.

CHANGELOG.rdoc

@@ -3,6 +3,7 @@
 Bugs fixes:
 
 - Fixes for 1.8.6 compatibility (issue #2)
+- guard init <guard-name> no more need Gemfile presence but open_gem is required now (issue #3)
 
 == 0.2.0.beta.1 (Oct 17, 2010)
 

Gemfile.lock

@@ -2,16 +2,23 @@ PATH
   remote: .
   specs:
     guard (0.2.0.beta.1)
-      bundler (~> 1.0.2)
+      open_gem (~> 1.4.2)
       thor (~> 0.14.3)
 
 GEM
   remote: http://rubygems.org/
   specs:
+    configuration (1.1.0)
     diff-lcs (1.1.2)
     growl (1.0.3)
     guard-rspec (0.1.3)
       guard
+    launchy (0.3.7)
+      configuration (>= 0.0.5)
+      rake (>= 0.8.1)
+    open_gem (1.4.2)
+      launchy (~> 0.3.5)
+    rake (0.8.7)
     rb-fsevent (0.3.2)
     rspec (2.0.1)
       rspec-core (~> 2.0.1)
@@ -29,10 +36,11 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  bundler (~> 1.0.2)
+  bundler (~> 1.0.3)
   growl (~> 1.0.3)
   guard!
   guard-rspec (~> 0.1.3)
+  open_gem (~> 1.4.2)
   rb-fsevent (>= 0.3.2)
   rspec (~> 2.0.1)
   thor (~> 0.14.3)

guard.gemspec

@@ -15,11 +15,12 @@ Gem::Specification.new do |s|
   s.required_rubygems_version = '>= 1.3.6'
   s.rubyforge_project = 'guard'
   
-  s.add_development_dependency  'rspec',       '~> 2.0.1'
-  s.add_development_dependency  'guard-rspec', '~> 0.1.3'
+  s.add_development_dependency 'bundler',     '~> 1.0.3'
+  s.add_development_dependency 'rspec',       '~> 2.0.1'
+  s.add_development_dependency 'guard-rspec', '~> 0.1.3'
   
-  s.add_dependency 'bundler',    '~> 1.0.2'
-  s.add_dependency 'thor',       '~> 0.14.3'
+  s.add_dependency 'thor',     '~> 0.14.3'
+  s.add_dependency 'open_gem', '~> 1.4.2'
   
   s.files        = Dir.glob('{bin,images,lib}/**/*') + %w[LICENSE README.rdoc]
   s.executable   = 'guard'

lib/guard.rb

@@ -55,15 +55,14 @@ module Guard
     end
     
     def locate_guard(name)
-      spec = Bundler.load.specs.find{|s| s.name == "guard-#{name}" }
-      spec.full_gem_path
+      `gem open guard-#{name} --latest --command echo`
     rescue
-      UI.error "Could not find gem 'guard-#{name}' in the current Gemfile."
+      UI.error "Could not find 'guard-#{name}' gem path."
     end
     
     def run
       listener.stop
-      UI. clear if options[:clear]
+      UI.clear if options[:clear]
       yield
       listener.start
     end

spec/guard_spec.rb

@@ -10,4 +10,12 @@ describe Guard do
     
   end
   
+  describe "locate_guard" do
+    
+    it "should return guard-rspec pat" do
+      Guard.locate_guard('rspec').should match(/^.*\/guard-rspec-.*$/)
+    end
+    
+  end
+  
 end