Show Gemfile on jobs matrix

app/components/jobs-item.coffee

@@ -15,7 +15,18 @@ JobsItemComponent = Ember.Component.extend
         if version = config[key]
           output.push(languageName + ': ' + version)
 
+      gemfile = @get('job.config.gemfile')
+      if gemfile && @get('job.config.env')
+        output.push "Gemfile: #{gemfile}"
+
     output.join(' ')
   ).property('job.config')
 
+  environment: (->
+    if env = @get('job.config.env')
+      env
+    else if gemfile = @get('job.config.gemfile')
+      "Gemfile: #{gemfile}"
+  ).property('job.config.env', 'job.config.gemfile')
+
 `export default JobsItemComponent`

app/templates/components/jobs-item.hbs

@@ -25,10 +25,10 @@
   {{/if}}
 
   <div class="job-anchor jobs-item">
-    {{#if job.config.env}}
+    {{#if environment}}
       <p class="job-env jobs-item build-env">
         <span class="icon icon--env"></span>
-        {{job.config.env}}
+        {{environment}}
       </p>
     {{else}}
       <p class="job-env jobs-item build-env is-empty">

tests/unit/components/jobs-item-test.coffee

@@ -37,3 +37,40 @@ test 'ouputs info on not set properties', ->
 
   ok component.$('.job-env').text().match(/no environment variables set/), 'a message for no env vars should be displayed'
   ok component.$('.job-lang').text().match(/no language set/), 'a message about no language being set should be displayed'
+
+test 'when env is not set, gemfile is displayed in the env section', ->
+  attributes = {
+    id: 10
+    state: 'passed'
+    number: '2'
+    config: {
+      rvm: '2.1.2'
+      gemfile: 'foo/Gemfile'
+    },
+    duration: 100
+  }
+  job = Ember.Object.create(attributes)
+  component = @subject(job: job)
+  @append()
+
+  equal component.$('.job-lang').text().trim(), 'Ruby: 2.1.2', 'langauges list should be displayed'
+  equal component.$('.job-env').text().trim(), 'Gemfile: foo/Gemfile', 'env should be displayed'
+
+test 'when env is set, gemfile is displayed in the language section', ->
+  attributes = {
+    id: 10
+    state: 'passed'
+    number: '2'
+    config: {
+      rvm: '2.1.2'
+      gemfile: 'foo/Gemfile'
+      env: 'FOO=bar'
+    },
+    duration: 100
+  }
+  job = Ember.Object.create(attributes)
+  component = @subject(job: job)
+  @append()
+
+  equal component.$('.job-lang').text().trim(), 'Ruby: 2.1.2 Gemfile: foo/Gemfile', 'Gemfile should be displayed in languages section'
+  equal component.$('.job-env').text().trim(), 'FOO=bar', 'env should be displayed'