Try to find gems.rb and gems.locked if Gemfile is not found

Author: Andre Medeiros

CHANGELOG.md

@@ -10,6 +10,7 @@ Features:
   - prevent whitespace in gem declarations with clear messaging
   - tries to find a `bundler-<command>` executable on your path for non-bundler commands (@andremedeiros)
   - generates a `.consolerc` file with new gems and tries to load it on `bundle console` (@andremedeiros)
+  - tries to find `gems.rb` and it's new counterpart, `gems.locked` (@andremedeiros)
 
 ## 1.7.2 (2014-08-23)
 

lib/bundler/shared_helpers.rb

@@ -26,7 +26,12 @@ def default_gemfile
     end
 
     def default_lockfile
-      Pathname.new("#{default_gemfile}.lock")
+      gemfile = default_gemfile
+
+      case gemfile.basename.to_s
+      when 'Gemfile' then Pathname.new("#{gemfile}.lock")
+      when 'gems.rb' then Pathname.new(gemfile.sub(/.rb$/, '.locked'))
+      end
     end
 
     def in_bundle?
@@ -86,8 +91,12 @@ def find_gemfile
         end
 
         # otherwise return the Gemfile if it's there
-        filename = File.join(current, 'Gemfile')
-        return filename if File.file?(filename)
+        filename = ['Gemfile', 'gems.rb'].find do |file|
+          path = File.join(current, file)
+          File.file?(path)
+        end
+
+        return filename unless filename.nil?
         current, previous = File.expand_path("..", current), current
       end
     end

spec/runtime/load_spec.rb

@@ -34,7 +34,23 @@
         Bundler.load
       }.not_to raise_error()
     end
+  end
+
+  describe "with a gems.rb file" do
+    before(:each) do
+      create_file "gems.rb", <<-G
+        source "file://#{gem_repo1}"
+        gem "rack"
+      G
+    end
 
+    it "provides a list of the env dependencies" do
+      expect(Bundler.load.dependencies).to have_dep("rack", ">= 0")
+    end
+
+    it "provides a list of the resolved gems" do
+      expect(Bundler.load.gems).to have_gem("rack-1.0.0", "bundler-#{Bundler::VERSION}")
+    end
   end
 
   describe "without a gemfile" do