Replace github refference with link travis-ci/travis-ci#1266

Github issue refference is now replaced with github issue url.
This covers following refferences:
* #Num
* User#Num
* User/Project#Num

assets/scripts/app/helpers/handlebars.coffee

@@ -28,8 +28,8 @@ Ember.registerBoundHelper 'formatSha', (sha, options) ->
 Ember.registerBoundHelper 'pathFrom', (url, options) ->
   safe Travis.Helpers.pathFrom(url)
 
-Ember.registerBoundHelper 'formatMessage', (message, options) ->
-  safe Travis.Helpers.formatMessage(message, options)
+Ember.Handlebars.helper 'formatMessage', (message, options) ->
+  safe Travis.Helpers.formatMessage(message, options.hash)
 
 Ember.registerBoundHelper 'formatConfig', (config, options) ->
   safe Travis.Helpers.formatConfig(config)

assets/scripts/app/helpers/helpers.coffee

@@ -37,7 +37,10 @@ require 'config/emoij'
   formatMessage: (message, options) ->
     message = message || ''
     message = message.split(/\n/)[0]  if options.short
-    @_emojize(@_escape(message)).replace /\n/g, '<br/>'
+    message = @_emojize(@_escape(message))
+    if !!options.repo
+      message = @githubify(message, options.repo.get('owner'), options.repo.get('name'))
+    message.replace /\n/g, '<br/>'
 
   pathFrom: (url) ->
     (url || '').split('/').pop()
@@ -66,6 +69,26 @@ require 'config/emoij'
       result.push seconds + ' sec'  if seconds > 0
       if result.length > 0 then result.join(' ') else '-'
 
+  githubify: (text, owner, repo) ->
+    refferences = text.match(@_githubRefferenceRegexp('g'))
+    if !!refferences
+      self = this
+      for refference in refferences
+        do (refference) ->
+          text = text.replace refference, (refference) ->
+            self._githubRefferenceLink(refference, owner, repo)
+
+    text
+
+  _githubRefferenceLink: (refference, owner, repo) ->
+    [newOwner, newRepo, issue] = refference.match(@_githubRefferenceRegexp())[1..3]
+    actualOwner = if newOwner? then newOwner else owner
+    actualRepo = if newRepo? then newRepo else repo
+    "<a href=\"http://github.com/#{actualOwner}/#{actualRepo}/issues/#{issue}\">#{refference}</a>"
+
+  _githubRefferenceRegexp: (flags) ->
+    new RegExp("([\\w-]+)?\\/?([\\w-]+)?#(\\d+)", flags)
+
   _normalizeDateString: (string) ->
     if window.JHW
       string = string.replace('T', ' ').replace(/-/g, '/')

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

@@ -32,7 +32,7 @@
             {{/if}}
           </td>
           <td class="message">
-            {{{formatMessage commit.message short="true"}}}
+            {{{formatMessage commit.message short="true" repoBinding=build.repo}}}
           </td>
           <td class="commit">
             <a {{bindAttr href="view.urlGithubCommit"}}>

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

@@ -45,7 +45,7 @@
     {{/with}}
 
     <dt>{{t builds.message}}</dt>
-    <dd class="message">{{formatMessage build.commit.message}}</dd>
+    <dd class="message">{{formatMessage build.commit.message repoBinding=build.repo}}</dd>
 
     {{#unless isMatrix}}
       <dt>{{t builds.config}}</dt>

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

@@ -43,7 +43,7 @@
         </div>
       {{/with}}
       <dt>{{t jobs.message}}</dt>
-      <dd class="message">{{formatMessage job.commit.message}}</dd>
+      <dd class="message">{{formatMessage job.commit.message repoBinding=job.repo}}</dd>
       <dt>{{t jobs.config}}</dt>
       <dd class="config">{{formatConfig job.config}}</dd>
     </dl>

assets/scripts/spec/unit/helpers_spec.coffee

@@ -0,0 +1,31 @@
+module "Travis.Helpers.githubify"
+
+test 'replaces #Num with github issues link', ->
+  message = 'Solved #11hey'
+  result = Travis.Helpers.githubify(message, 'travis-ci', 'travis-web')
+  expected = 'Solved <a href="http://github.com/travis-ci/travis-web/issues/11">#11</a>hey'
+
+  equal(result, expected, "#num should be converted to a link")
+
+test 'replaces User#Num with github issues link to forked repo', ->
+  message = 'Solved test#11hey'
+  result = Travis.Helpers.githubify(message, 'travis-ci', 'travis-web')
+  expected = 'Solved <a href="http://github.com/test/travis-web/issues/11">test#11</a>hey'
+
+  equal(result, expected, "user#num should be converted to a link")
+
+test 'replaces User#Num with github issues link to another repo', ->
+  message = 'Solved test/testing#11hey'
+  result = Travis.Helpers.githubify(message, 'travis-ci', 'travis-web')
+  expected = 'Solved <a href="http://github.com/test/testing/issues/11">test/testing#11</a>hey'
+
+  equal(result, expected, "owner/repo#num should be converted to a link")
+
+test 'replaces multiple refferences with github issues links', ->
+  message = 'Try #1 and test#2 and test/testing#3'
+  result = Travis.Helpers.githubify(message, 'travis-ci', 'travis-web')
+  expected = 'Try <a href="http://github.com/travis-ci/travis-web/issues/1">#1</a> and '
+  expected += '<a href="http://github.com/test/travis-web/issues/2">test#2</a> and '
+  expected += '<a href="http://github.com/test/testing/issues/3">test/testing#3</a>'
+
+  equal(result, expected, "references should be converted to links")