Adds GitHib release badge.

server.js

@@ -630,7 +630,7 @@ cache(function(data, match, sendBadge) {
       badgeData.colorscheme = 'blue';
       if (/^[0-9]/.test(tag)) {
         badgeData.text[1] = 'v' + tag;
-        if (version[0] === '0' || /dev/.test(version)) {
+        if (tag[0] === '0' || /dev/.test(tag)) {
           badgeData.colorscheme = 'orange';
         }
       }
@@ -642,6 +642,40 @@ cache(function(data, match, sendBadge) {
   });
 }));
 
+// GitHub release integration.
+camp.route(/^\/github\/release\/(.*)\/(.*)\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var user = match[1];  // eg, qubyte/rubidium
+  var repo = match[2];
+  var format = match[3];
+  var apiUrl = 'https://api.github.com/repos/' + user + '/' + repo + '/releases';
+  var badgeData = getBadgeData('GitHub', data);
+  // A special User-Agent is required:
+  // http://developer.github.com/v3/#user-agent-required
+  request(apiUrl, { headers: { 'User-Agent': 'Shields.io' } }, function(err, res, buffer) {
+    if (err != null) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+    }
+    try {
+      var data = JSON.parse(buffer);
+      var latest = (function () {
+        for (var i = 0, len = data.length; i < len; i++) {
+          if (!data[i].draft) {
+            return data[i];
+          }
+        }
+      })();
+      badgeData.colorscheme = latest.prerelease ? 'orange' : 'blue';
+      badgeData.text[1] = /^[0-9]/.test(latest.tag_name) ? 'v' + latest.tag_name : latest.tag_name;
+      sendBadge(format, badgeData);
+    } catch(e) {
+      badgeData.text[1] = 'invalid';
+      sendBadge(format, badgeData);
+    }
+  });
+}));
+
 // Any badge.
 camp.route(/^\/(:|badge\/)(([^-]|--)+)-(([^-]|--)+)-(([^-]|--)+)\.(svg|png|gif|jpg)$/,
 function(data, match, end, ask) {

try.html

@@ -164,6 +164,10 @@ I made the GitHub Badge Service.
   <td><img src='/github/tag/visionmedia/express.svg' alt=''/></td>
   <td><code>http://img.shields.io/github/tag/visionmedia/express.svg</code></td>
   </tr>
+  <tr><th> GitHub release: </th>
+  <td><img src='/github/release/qubyte/rubidium.svg' alt=''/></td>
+  <td><code>http://img.shields.io/github/release/qubyte/rubidium.svg</code></td>
+  </tr>
 </tbody></table>
 
 <h2> Like This? </h2>
@@ -232,6 +236,9 @@ All the activity and the code sits
 <a class='photo' href='https://github.com/hughsk'>
   <img alt='hughsk' src='https://gravatar.com/avatar/133cd05eb39521d55fb7a08c787925e2'>
 </a>
+<a class='photo' href='https://github.com/qubyte'>
+  <img alt='hughsk' src='https://gravatar.com/avatar/2b8729c02bc2fb886b32ed23cb7b0a31'>
+</a>
 
 <p><small>:wq</small></p>
 <script>