Show committer in build header only when he's not author.

assets/scripts/app/models/commit.coffee

@@ -26,3 +26,8 @@ require 'travis/model'
     else
       ""
   ).property('message')
+
+  authorIsCommitter: ( ->
+    @get('authorName') == @get('committerName') and
+      @get('authorEmail') == @get('committerEmail')
+  ).property('authorName', 'authorEmail', 'committerName', 'committerEmail')

assets/scripts/app/templates/builds/show.hbs

@@ -31,11 +31,13 @@
     <div class="footer">
       <div class="author">
         {{#if commit.authorName}}
-          <div class="authored"><img {{bind-attr src="view.urlAuthorGravatarImage"}}/>{{commit.authorName}} authored</div>
-        {{/if}}
-        {{#if commit.committerName}}
-          <div class="committed"><img {{bind-attr src="view.urlCommitterGravatarImage"}}/>{{commit.committerName}} committed</div>
+          <div class="authored"><img {{bind-attr src="view.urlAuthorGravatarImage"}}/>{{commit.authorName}} authored{{#if commit.authorIsCommitter}} and committed{{/if}}</div>
         {{/if}}
+        {{#unless commit.authorIsCommitter}}
+          {{#if commit.committerName}}
+            <div class="committed"><img {{bind-attr src="view.urlCommitterGravatarImage"}}/>{{commit.committerName}} committed</div>
+          {{/if}}
+        {{/unless}}
       </div>
 
       <div class="commit-changes">

assets/scripts/spec/unit/commit_spec.coffee

@@ -0,0 +1,39 @@
+record = null
+
+module "Travis.Commit",
+  setup: ->
+  teardown: ->
+    Travis.Commit.resetData()
+
+test 'it recognizes when author is committer', ->
+  Travis.Commit.load [
+    {
+      id: 1,
+      committer_name: 'Jimmy',
+      committer_email: 'jimmy@example.com',
+      author_name: 'Jimmy',
+      author_email: 'jimmy@example.com'
+    }
+  ]
+
+  Ember.run ->
+    record = Travis.Commit.find 1
+
+    console.log(record.get('authorName'))
+    equal(true, record.get('authorIsCommitter'))
+
+test 'it recognizes when author is not committer', ->
+  Travis.Commit.load [
+    {
+      id: 1,
+      committer_name: 'Jimmy',
+      committer_email: 'jimmy@example.com',
+      author_name: 'John',
+      author_email: 'john@example.com'
+    }
+  ]
+
+  Ember.run ->
+    record = Travis.Commit.find 1
+    console.log(record.get('authorName'))
+    equal(false, record.get('authorIsCommitter'))