Return env var's value if it's public

lib/travis/api/v2/http/env_var.rb

@@ -3,7 +3,19 @@ module Travis
     module V2
       module Http
         class EnvVar < Travis::Api::Serializer
-          attributes :id, :name, :public
+          attributes :id, :name, :value, :public
+
+          def value
+            if object.public?
+              object.value.decrypt
+            end
+          end
+
+          def serializable_hash
+            hash = super
+            hash.delete :value unless object.public?
+            hash
+          end
         end
       end
     end

spec/unit/api/v2/http/env_var_spec.rb

@@ -0,0 +1,20 @@
+require 'spec_helper'
+
+describe Travis::Api::V2::Http::EnvVar do
+  let(:env_var) { Repository::Settings::EnvVar.new(name: 'FOO', value: 'bar', public: true) }
+  let(:data) { Travis::Api::V2::Http::EnvVar.new(env_var) }
+
+  it 'returns value' do
+    data.as_json[:env_var][:value].should == 'bar'
+  end
+
+  describe 'private' do
+    let(:env_var) { Repository::Settings::EnvVar.new(name: 'FOO', value: 'bar', public: false) }
+
+    it "doesn't return the value" do
+      data.to_json.should_not include('bar')
+      data.as_json[:env_var].should_not have_key(:value)
+      data.as_json[:env_var].should_not have_key('value')
+    end
+  end
+end