diff --git a/server.js b/server.js
index 6380a40..ee62ace 100644
--- a/server.js
+++ b/server.js
@@ -1,1193 +1,1193 @@
-var camp = require('camp').start({
-  documentRoot: __dirname,
-  port: +process.env.PORT||+process.argv[2]||80
-});
-var https = require('https');
-var request = require('request');
-var fs = require('fs');
-var LruCache = require('./lru-cache.js');
-var badge = require('./badge.js');
-var svg2img = require('./svg-to-img.js');
-var semver = require('semver');
-var serverStartTime = new Date((new Date()).toGMTString());
-
-var validTemplates = ['default', 'flat'];
-
-// Analytics
-
-var redis;
-// Use Redis by default.
-var useRedis = true;
-if (process.env.REDISTOGO_URL) {
-  var redisToGo = require('url').parse(process.env.REDISTOGO_URL);
-  redis = require('redis').createClient(redisToGo.port, redisToGo.hostname);
-  redis.auth(redisToGo.auth.split(':')[1]);
-} else {
-  redis = require('redis').createClient();
-}
-redis.on('error', function() {
-  useRedis = false;
-});
-
-var analytics = {};
-
-var analyticsAutoSaveFileName = './analytics.json';
-var analyticsAutoSavePeriod = 10000;
-setInterval(function analyticsAutoSave() {
-  if (useRedis) {
-    redis.set(analyticsAutoSaveFileName, JSON.stringify(analytics));
-  } else {
-    fs.writeFileSync(analyticsAutoSaveFileName, JSON.stringify(analytics));
-  }
-}, analyticsAutoSavePeriod);
-
-// Auto-load analytics.
-function analyticsAutoLoad() {
-  if (useRedis) {
-    redis.get(analyticsAutoSaveFileName, function(err, value) {
-      if (err == null && value != null) {
-        // if/try/return trick:
-        // if error, then the rest of the function is run.
-        try {
-          analytics = JSON.parse(value);
-          return;
-        } catch(e) {}
-      }
-      // In case something happens on the 36th.
-      analytics.vendorMonthly = new Array(36);
-      analytics.rawMonthly = new Array(36);
-      resetMonthlyAnalytics(analytics.vendorMonthly);
-      resetMonthlyAnalytics(analytics.rawMonthly);
-    });
-  } else {
-    // Not using Redis.
-    try {
-      analytics = JSON.parse(fs.readFileSync(analyticsAutoSaveFileName));
-    } catch(e) {
-      // In case something happens on the 36th.
-      analytics.vendorMonthly = new Array(36);
-      analytics.rawMonthly = new Array(36);
-      resetMonthlyAnalytics(analytics.vendorMonthly);
-      resetMonthlyAnalytics(analytics.rawMonthly);
-    }
-  }
-}
-
-var lastDay = (new Date()).getDate();
-function resetMonthlyAnalytics(monthlyAnalytics) {
-  for (var i = 0; i < monthlyAnalytics.length; i++) {
-    monthlyAnalytics[i] = 0;
-  }
-}
-function incrMonthlyAnalytics(monthlyAnalytics) {
-  var currentDay = (new Date()).getDate();
-  // If we changed month, reset empty days.
-  while (lastDay !== currentDay) {
-    // Assumption: at least a hit a month.
-    lastDay = (lastDay + 1) % monthlyAnalytics.length;
-    monthlyAnalytics[lastDay] = 0;
-  }
-  monthlyAnalytics[currentDay]++;
-}
-
-analyticsAutoLoad();
-camp.ajax.on('analytics/v1', function(json, end) { end(analytics); });
-
-// Cache
-
-// We avoid calling the vendor's server for computation of the information in a
-// number of badges.
-var minAccuracy = 0.75;
-
-// The quotient of (vendor) data change frequency by badge request frequency
-// must be lower than this to trigger sending the cached data *before*
-// updating our data from the vendor's server.
-// Indeed, the accuracy of our badges are:
-// A(Δt) = 1 - min(# data change over Δt, # requests over Δt)
-//             / (# requests over Δt)
-//       = 1 - max(1, df) / rf
-var freqRatioMax = 1 - minAccuracy;
-
-// Request cache size of size 1_000_000 (~1GB, 1kB/image).
-var requestCache = new LruCache(1000000);
-
-function cache(f) {
-  return function getRequest(data, match, end, ask) {
-    // Cache management - no cache, so it won't be cached by GitHub's CDN.
-    ask.res.setHeader('Cache-Control', 'no-cache, no-store, must-revalidate');
-    incrMonthlyAnalytics(analytics.vendorMonthly);
-
-    var cacheIndex = match[0] + '?label=' + data.label + '&style=' + data.style;
-    // Should we return the data right away?
-    var cached = requestCache.get(cacheIndex);
-    var cachedVersionSent = false;
-    if (cached !== undefined
-        && cached.dataChange / cached.reqs <= freqRatioMax) {
-      badge(cached.data.badgeData, makeSend(cached.data.format, ask.res, end));
-      cachedVersionSent = true;
-    }
-
-    // In case our vendor servers are unresponsive.
-    var serverUnresponsive = false;
-    var serverResponsive = setTimeout(function() {
-      serverUnresponsive = true;
-      if (cachedVersionSent) { return; }
-      if (requestCache.has(cacheIndex)) {
-        var cached = requestCache.get(cacheIndex).data;
-        badge(cached.badgeData, makeSend(cached.format, ask.res, end));
-        return;
-      }
-      var badgeData = getBadgeData('vendor', data);
-      badgeData.text[1] = 'unresponsive';
-      badge(badgeData, makeSend('svg', ask.res, end));
-    }, 25000);
-
-    f(data, match, function sendBadge(format, badgeData) {
-      if (serverUnresponsive) { return; }
-      clearTimeout(serverResponsive);
-      // Check for a change in the data.
-      var dataHasChanged = false;
-      if (cached !== undefined
-        && cached.data.badgeData.text[1] !== badgeData.text[1]) {
-        dataHasChanged = true;
-      }
-      // Update information in the cache.
-      var updatedCache = {
-        reqs: cached? (cached.reqs + 1): 1,
-        dataChange: cached? (cached.dataChange + (dataHasChanged? 1: 0))
-                          : 1,
-        data: { format: format, badgeData: badgeData }
-      };
-      requestCache.set(cacheIndex, updatedCache);
-      if (!cachedVersionSent) {
-        badge(badgeData, makeSend(format, ask.res, end));
-      }
-    });
-  };
-}
-
-function coveragePercentageColor(percentage) {
-  if (percentage < 80) {
-    return 'red';
-  } else if (percentage < 90) {
-    return 'yellow';
-  } else if (percentage < 95) {
-    return 'green';
-  } else {
-    return 'brightgreen';
-  }
-}
-
-// Vendors.
-
-// Travis integration
-camp.route(/^\/travis(-ci)?\/([^\/]+\/[^\/]+)(?:\/(.+))?\.(svg|png|gif|jpg)$/,
-cache(function(data, match, sendBadge) {
-  var userRepo = match[2];  // eg, espadrine/sc
-  var branch = match[3];
-  var format = match[4];
-  var options = {
-    json: true,
-    uri: 'https://api.travis-ci.org/repos/' + userRepo + '/builds.json'
-  };
-  branch = branch || 'master';
-  var badgeData = getBadgeData('build', data);
-  request(options, function(err, res, json) {
-    if (err != null || (json.length !== undefined && json.length === 0)) {
-      badgeData.text[1] = 'inaccessible';
-      sendBadge(format, badgeData);
-      return;
-    }
-    // Find the latest push on this branch.
-    var build = null;
-    for (var i = 0; i < json.length; i++) {
-      if (json[i].state === 'finished' && json[i].event_type === 'push'
-      && json[i].branch === branch) {
-        build = json[i];
-        break;
-      }
-    }
-    badgeData.text[1] = 'pending';
-    if (build === null) {
-      sendBadge(format, badgeData);
-      return;
-    }
-    if (build.result === 0) {
-      badgeData.colorscheme = 'brightgreen';
-      badgeData.text[1] = 'passing';
-    } else if (build.result === 1) {
-      badgeData.colorscheme = 'red';
-      badgeData.text[1] = 'failing';
-    }
-    sendBadge(format, badgeData);
-  });
-}));
-
-// Gittip integration.
-camp.route(/^\/gittip\/(.*)\.(svg|png|gif|jpg)$/,
-cache(function(data, match, sendBadge) {
-  var user = match[1];  // eg, `JSFiddle`.
-  var format = match[2];
-  var apiUrl = 'https://www.gittip.com/' + user + '/public.json';
-  var badgeData = getBadgeData('tips', data);
-  request(apiUrl, function dealWithData(err, res, buffer) {
-    if (err != null) {
-      badgeData.text[1] = 'inaccessible';
-      sendBadge(format, badgeData);
-      return;
-    }
-    try {
-      var data = JSON.parse(buffer);
-      var money = parseInt(data.receiving);
-      badgeData.text[1] = '$' + metric(money) + '/week';
-      if (money === 0) {
-        badgeData.colorscheme = 'red';
-      } else if (money < 10) {
-        badgeData.colorscheme = 'yellow';
-      } else if (money < 100) {
-        badgeData.colorscheme = 'green';
-      } else {
-        badgeData.colorscheme = 'brightgreen';
-      }
-      sendBadge(format, badgeData);
-    } catch(e) {
-      badgeData.text[1] = 'invalid';
-      sendBadge(format, badgeData);
-    }
-  });
-}));
-
-// Packagist integration.
-camp.route(/^\/packagist\/(dm|dd|dt)\/(.*)\.(svg|png|gif|jpg)$/,
-cache(function(data, match, sendBadge) {
-  var info = match[1];  // either `dm` or dt`.
-  var userRepo = match[2];  // eg, `doctrine/orm`.
-  var format = match[3];
-  var apiUrl = 'https://packagist.org/packages/' + userRepo + '.json';
-  var badgeData = getBadgeData('downloads', data);
-  request(apiUrl, function(err, res, buffer) {
-    if (err != null) {
-      badgeData.text[1] = 'inaccessible';
-      sendBadge(format, badgeData);
-    }
-    try {
-      var data = JSON.parse(buffer);
-      switch (info.charAt(1)) {
-        case 'm':
-          var downloads = data.package.downloads.monthly;
-          badgeData.text[1] = metric(downloads) + '/month';
-          break;
-        case 'd':
-          var downloads = data.package.downloads.daily;
-          badgeData.text[1] = metric(downloads) + '/day';
-          break;
-        case 't':
-          var downloads = data.package.downloads.total;
-          badgeData.text[1] = metric(downloads) + ' total';
-          break;
-      }
-      if (downloads === 0) {
-        badgeData.colorscheme = 'red';
-      } else if (downloads < 10) {
-        badgeData.colorscheme = 'yellow';
-      } else if (downloads < 100) {
-        badgeData.colorscheme = 'yellowgreen';
-      } else if (downloads < 1000) {
-        badgeData.colorscheme = 'green';
-      } else {
-        badgeData.colorscheme = 'brightgreen';
-      }
-      sendBadge(format, badgeData);
-    } catch(e) {
-      badgeData.text[1] = 'invalid';
-      sendBadge(format, badgeData);
-    }
-  });
-}));
-
-// Packagist version integration.
-camp.route(/^\/packagist\/v\/(.*)\.(svg|png|gif|jpg)$/,
-cache(function(data, match, sendBadge) {
-  var userRepo = match[1];
-  var format = match[2];
-  var apiUrl = 'https://packagist.org/packages/' + userRepo + '.json';
-  var badgeData = getBadgeData('packagist', data);
-  request(apiUrl, function(err, res, buffer) {
-    if (err != null) {
-      badgeData.text[1] = 'inaccessible';
-      sendBadge(format, badgeData);
-    }
-    try {
-      var data = JSON.parse(buffer);
-      var version;
-      var unstable = function(ver) { return /dev/.test(ver); };
-      // Grab the latest stable version, or an unstable
-      for (var versionName in data.package.versions) {
-        var current = data.package.versions[versionName];
-
-        if (version !== undefined) {
-          if (unstable(version.version) && !unstable(current.version)) {
-            version = current;
-          } else if (version.version_normalized < current.version_normalized) {
-            version = current;
-          }
-        } else {
-          version = current;
-        }
-      }
-      version = version.version.replace(/^v/, "");
-      badgeData.text[1] = version;
-      if (/^\d/.test(badgeData.text[1])) {
-        badgeData.text[1] = 'v' + version;
-      }
-      if (version[0] === '0' || /dev/.test(version)) {
-        badgeData.colorscheme = 'orange';
-      } else {
-        badgeData.colorscheme = 'blue';
-      }
-      sendBadge(format, badgeData);
-    } catch(e) {
-      badgeData.text[1] = 'invalid';
-      sendBadge(format, badgeData);
-    }
-  });
-}));
-
-// Packagist license integration.
-camp.route(/^\/packagist\/l\/(.*)\.(svg|png|gif|jpg)$/,
-cache(function(data, match, sendBadge) {
-  var userRepo = match[1];
-  var format = match[2];
-  var apiUrl = 'https://packagist.org/packages/' + userRepo + '.json';
-  var badgeData = getBadgeData('license', data);
-  request(apiUrl, function(err, res, buffer) {
-    if (err != null) {
-      badgeData.text[1] = 'inaccessible';
-      sendBadge(format, badgeData);
-    }
-    try {
-      var data = JSON.parse(buffer);
-      // Note: if you change the latest version detection algorithm here,
-      // change it above (for the actual version badge).
-      var version;
-      var unstable = function(ver) { return /dev/.test(ver); };
-      // Grab the latest stable version, or an unstable
-      for (var versionName in data.package.versions) {
-        var current = data.package.versions[versionName];
-
-        if (version !== undefined) {
-          if (unstable(version.version) && !unstable(current.version)) {
-            version = current;
-          } else if (version.version_normalized < current.version_normalized) {
-            version = current;
-          }
-        } else {
-          version = current;
-        }
-      }
-      badgeData.text[1] = version.license[0];
-      badgeData.colorscheme = 'red';
-      sendBadge(format, badgeData);
-    } catch(e) {
-      badgeData.text[1] = 'invalid';
-      sendBadge(format, badgeData);
-    }
-  });
-}));
-
-// npm integration.
-camp.route(/^\/npm\/dm\/(.*)\.(svg|png|gif|jpg)$/,
-cache(function(data, match, sendBadge) {
-  var user = match[1];  // eg, `localeval`.
-  var format = match[2];
-  var apiUrl = 'https://api.npmjs.org/downloads/point/last-month/' + user;
-  var badgeData = getBadgeData('downloads', data);
-  request(apiUrl, function(err, res, buffer) {
-    if (err != null) {
-      badgeData.text[1] = 'inaccessible';
-      sendBadge(format, badgeData);
-      return;
-    }
-    try {
-      var monthly = JSON.parse(buffer).downloads;
-    } catch(e) {
-      badgeData.text[1] = 'invalid';
-      sendBadge(format, badgeData);
-      return;
-    }
-    badgeData.text[1] = metric(monthly) + '/month';
-    if (monthly === 0) {
-      badgeData.colorscheme = 'red';
-    } else if (monthly < 10) {
-      badgeData.colorscheme = 'yellow';
-    } else if (monthly < 100) {
-      badgeData.colorscheme = 'yellowgreen';
-    } else if (monthly < 1000) {
-      badgeData.colorscheme = 'green';
-    } else {
-      badgeData.colorscheme = 'brightgreen';
-    }
-    sendBadge(format, badgeData);
-  });
-}));
-
-// npm version integration.
-camp.route(/^\/npm\/v\/(.*)\.(svg|png|gif|jpg)$/,
-cache(function(data, match, sendBadge) {
-  var repo = match[1];  // eg, `localeval`.
-  var format = match[2];
-  var apiUrl = 'https://registry.npmjs.org/' + repo + '/latest';
-  var badgeData = getBadgeData('npm', data);
-  // Using the Accept header because of this bug:
-  // <https://github.com/npm/npmjs.org/issues/163>
-  request(apiUrl, { headers: { 'Accept': '*/*' } }, function(err, res, buffer) {
-    if (err != null) {
-      badgeData.text[1] = 'inaccessible';
-      sendBadge(format, badgeData);
-    }
-    try {
-      var data = JSON.parse(buffer);
-      var version = data.version;
-      badgeData.text[1] = 'v' + version;
-      if (version[0] === '0' || /dev/.test(version)) {
-        badgeData.colorscheme = 'orange';
-      } else {
-        badgeData.colorscheme = 'blue';
-      }
-      sendBadge(format, badgeData);
-    } catch(e) {
-      badgeData.text[1] = 'invalid';
-      sendBadge(format, badgeData);
-    }
-  });
-}));
-
-// Gem version integration.
-camp.route(/^\/gem\/v\/(.*)\.(svg|png|gif|jpg)$/,
-cache(function(data, match, sendBadge) {
-  var repo = match[1];  // eg, `localeval`.
-  var format = match[2];
-  var apiUrl = 'https://rubygems.org/api/v1/gems/' + repo + '.json';
-  var badgeData = getBadgeData('gem', data);
-  request(apiUrl, function(err, res, buffer) {
-    if (err != null) {
-      badgeData.text[1] = 'inaccessible';
-      sendBadge(format, badgeData);
-    }
-    try {
-      var data = JSON.parse(buffer);
-      var version = data.version;
-      badgeData.text[1] = 'v' + version;
-      if (version[0] === '0' || /dev/.test(version)) {
-        badgeData.colorscheme = 'orange';
-      } else {
-        badgeData.colorscheme = 'blue';
-      }
-      sendBadge(format, badgeData);
-    } catch(e) {
-      badgeData.text[1] = 'invalid';
-      sendBadge(format, badgeData);
-    }
-  });
-}));
-
-// PyPI integration.
-camp.route(/^\/pypi\/([^\/]+)\/(.*)\.(svg|png|gif|jpg)$/,
-cache(function(data, match, sendBadge) {
-  var info = match[1];
-  var egg = match[2];  // eg, `gevent`.
-  var format = match[3];
-  var apiUrl = 'https://pypi.python.org/pypi/' + egg + '/json';
-  var badgeData = getBadgeData('pypi', data);
-  request(apiUrl, function(err, res, buffer) {
-    if (err != null) {
-      badgeData.text[1] = 'inaccessible';
-      sendBadge(format, badgeData);
-    }
-    try {
-      var data = JSON.parse(buffer);
-      if (info.charAt(0) === 'd') {
-        badgeData.text[0] = getLabel('downloads', data);
-        switch (info.charAt(1)) {
-          case 'm':
-            var downloads = data.info.downloads.last_month;
-            badgeData.text[1] = metric(downloads) + '/month';
-            break;
-          case 'w':
-            var downloads = data.info.downloads.last_week;
-            badgeData.text[1] = metric(downloads) + '/week';
-            break;
-          case 'd':
-            var downloads = data.info.downloads.last_day;
-            badgeData.text[1] = metric(downloads) + '/day';
-            break;
-        }
-        if (downloads === 0) {
-          badgeData.colorscheme = 'red';
-        } else if (downloads < 10) {
-          badgeData.colorscheme = 'yellow';
-        } else if (downloads < 100) {
-          badgeData.colorscheme = 'yellowgreen';
-        } else if (downloads < 1000) {
-          badgeData.colorscheme = 'green';
-        } else {
-          badgeData.colorscheme = 'brightgreen';
-        }
-        sendBadge(format, badgeData);
-      } else if (info === 'v') {
-        var version = data.info.version;
-        badgeData.text[1] = 'v' + version;
-        if (version[0] === '0' || /dev/.test(version)) {
-          badgeData.colorscheme = 'orange';
-        } else {
-          badgeData.colorscheme = 'blue';
-        }
-        sendBadge(format, badgeData);
-      }
-    } catch(e) {
-      badgeData.text[1] = 'invalid';
-      sendBadge(format, badgeData);
-    }
-  });
-}));
-
-// Coveralls integration.
-camp.route(/^\/coveralls\/([^\/]+\/[^\/]+)(?:\/(.+))?\.(svg|png|gif|jpg)$/,
-cache(function(data, match, sendBadge) {
-  var userRepo = match[1];  // eg, `jekyll/jekyll`.
-  var branch = match[2];
-  var format = match[3];
-  var apiUrl = 'https://coveralls.io/repos/' + userRepo + '/badge.png';
-  if (branch) {
-    apiUrl += '?branch=' + branch;
-  }
-  var badgeData = getBadgeData('coverage', data);
-  https.get(apiUrl, function(res) {
-    // We should get a 302. Look inside the Location header.
-    var buffer = res.headers.location;
-    if (!buffer) {
-      badgeData.text[1] = 'invalid';
-      sendBadge(format, badgeData);
-      return;
-    }
-    try {
-      var score = buffer.split('_')[1].split('.')[0];
-      var percentage = parseInt(score);
-      if (percentage !== percentage) {
-        // It is NaN, treat it as unknown.
-        badgeData.text[1] = 'unknown';
-        sendBadge(format, badgeData);
-        return;
-      }
-    } catch(e) {
-      badgeData.text[1] = 'malformed';
-      sendBadge(format, badgeData);
-      return;
-    }
-    badgeData.text[1] = score + '%';
-    badgeData.colorscheme = coveragePercentageColor(percentage);
-    sendBadge(format, badgeData);
-  }).on('error', function(e) {
-    badgeData.text[1] = 'inaccessible';
-    sendBadge(format, badgeData);
-  });
-}));
-
-// Code Climate coverage integration
-camp.route(/^\/codeclimate\/coverage\/(.+)\.(svg|png|gif|jpg)$/,
-cache(function(data, match, sendBadge) {
-  var userRepo = match[1];  // eg, `github/triAGENS/ashikawa-core`.
-  var format = match[2];
-  var options = {
-    method: 'HEAD',
-    uri: 'https://codeclimate.com/' + userRepo + '/coverage.png'
-  };
-  var badgeData = getBadgeData('coverage', data);
-  request(options, function(err, res) {
-    if (err != null) {
-      badgeData.text[1] = 'inaccessible';
-      sendBadge(format, badgeData);
-    }
-    try {
-      var score = res.headers['content-disposition']
-                     .match(/filename="coverage_(.+)\.png"/)[1];
-      if (!score) {
-        badgeData.text[1] = 'malformed';
-        sendBadge(format, badgeData);
-        return;
-      }
-      var percentage = parseInt(score);
-      if (percentage !== percentage) {
-        // It is NaN, treat it as unknown.
-        badgeData.text[1] = 'unknown';
-        sendBadge(format, badgeData);
-        return;
-      }
-      badgeData.text[1] = score + '%';
-      badgeData.colorscheme = coveragePercentageColour(percentage);
-      sendBadge(format, badgeData);
-    } catch(e) {
-      badgeData.text[1] = 'not found';
-      sendBadge(format, badgeData);
-    }
-  });
-}));
-
-// Code Climate integration
-camp.route(/^\/codeclimate\/(.+)\.(svg|png|gif|jpg)$/,
-cache(function(data, match, sendBadge) {
-  var userRepo = match[1];  // eg, `github/kabisaict/flow`.
-  var format = match[2];
-  var options = {
-    method: 'HEAD',
-    uri: 'https://codeclimate.com/' + userRepo + '.png'
-  };
-  var badgeData = getBadgeData('code climate', data);
-  request(options, function(err, res) {
-    if (err != null) {
-      badgeData.text[1] = 'inaccessible';
-      sendBadge(format, badgeData);
-    }
-    try {
-      var statusMatch = res.headers['content-disposition']
-                           .match(/filename="code_climate-(.+)\.png"/);
-      if (!statusMatch) {
-        badgeData.text[1] = 'unknown';
-        sendBadge(format, badgeData);
-        return;
-      }
-      var state = statusMatch[1].replace('-', '.');
-      var score = +state;
-      badgeData.text[1] = state;
-      if (score == 4) {
-        badgeData.colorscheme = 'brightgreen';
-      } else if (score > 3) {
-        badgeData.colorscheme = 'green';
-      } else if (score > 2) {
-        badgeData.colorscheme = 'yellowgreen';
-      } else if (score > 1) {
-        badgeData.colorscheme = 'yellow';
-      } else {
-        badgeData.colorscheme = 'red';
-      }
-      sendBadge(format, badgeData);
-    } catch(e) {
-      badgeData.text[1] = 'not found';
-      sendBadge(format, badgeData);
-    }
-  });
-}));
-
-// Gemnasium integration
-camp.route(/^\/gemnasium\/(.+)\.(svg|png|gif|jpg)$/,
-cache(function(data, match, sendBadge) {
-  var userRepo = match[1];  // eg, `jekyll/jekyll`.
-  var format = match[2];
-  var options = 'https://gemnasium.com/' + userRepo + '.svg';
-  var badgeData = getBadgeData('dependencies', data);
-  request(options, function(err, res, buffer) {
-    if (err != null) {
-      badgeData.text[1] = 'inaccessible';
-      sendBadge(format, badgeData);
-    }
-    try {
-      var nameMatch = buffer.match(/(devD|d)ependencies/)[0];
-      var statusMatch = buffer.match(/'12'>(.+)<\/text>\n<\/g>/)[1];
-      badgeData.text[0] = nameMatch;
-      badgeData.text[1] = statusMatch;
-      if (statusMatch === 'up-to-date') {
-        badgeData.colorscheme = 'brightgreen';
-      } else if (statusMatch === 'out-of-date') {
-        badgeData.colorscheme = 'yellow';
-      } else if (statusMatch === 'update!') {
-        badgeData.colorscheme = 'red';
-      } else if (statusMatch === 'none') {
-        badgeData.colorscheme = 'brightgreen';
-      } else {
-        badgeData.text[1] = 'undefined';
-      }
-      sendBadge(format, badgeData);
-    } catch(e) {
-      badgeData.text[1] = 'invalid';
-      sendBadge(format, badgeData);
-      return;
-    }
-  });
-}));
-
-// Hackage version integration.
-camp.route(/^\/hackage\/v\/(.*)\.(svg|png|gif|jpg)$/,
-cache(function(data, match, sendBadge) {
-  var repo = match[1];  // eg, `lens`.
-  var format = match[2];
-  var apiUrl = 'https://hackage.haskell.org/package/' + repo + '/' + repo + '.cabal';
-  var badgeData = getBadgeData('hackage', data);
-  request(apiUrl, function(err, res, buffer) {
-    if (err != null) {
-      badgeData.text[1] = 'inaccessible';
-      sendBadge(format, badgeData);
-    }
-    try {
-      var lines = buffer.split("\n");
-      var versionLines = lines.filter(function(e) {
-        return (/^version:/i).test(e) === true;
-      });
-      // We don't have to check length of versionLines, because if we throw,
-      // we'll render the 'invalid' badge below, which is the correct thing
-      // to do.
-      var version = versionLines[0].replace(/\s+/, '').split(/:/)[1];
-      badgeData.text[1] = 'v' + version;
-      if (version[0] === '0') {
-        badgeData.colorscheme = 'orange';
-      } else {
-        badgeData.colorscheme = 'blue';
-      }
-      sendBadge(format, badgeData);
-    } catch(e) {
-      badgeData.text[1] = 'invalid';
-      sendBadge(format, badgeData);
-    }
-  });
-}));
-
-// CocoaPods version integration.
-camp.route(/^\/cocoapods\/v\/(.*)\.(svg|png|gif|jpg)$/,
-cache(function(data, match, sendBadge) {
-  var spec = match[1];  // eg, AFNetworking
-  var format = match[2];
-  var apiUrl = 'http://search.cocoapods.org/api/v1/pod/' + spec + '.json';
-  var badgeData = getBadgeData('pod', data);
-  request(apiUrl, function(err, res, buffer) {
-    if (err != null) {
-      badgeData.text[1] = 'inaccessible';
-      sendBadge(format, badgeData);
-    }
-    try {
-      var data = JSON.parse(buffer);
-      var version = data.version;
-      version = version.replace(/^v/, "");
-      badgeData.text[1] = version;
-      if (/^\d/.test(badgeData.text[1])) {
-        badgeData.text[1] = 'v' + version;
-      }
-      if (version[0] === '0' || /dev/.test(version)) {
-        badgeData.colorscheme = 'orange';
-      } else {
-        badgeData.colorscheme = 'blue';
-      }
-      sendBadge(format, badgeData);
-    } catch(e) {
-      badgeData.text[1] = 'invalid';
-      sendBadge(format, badgeData);
-    }
-  });
-}));
-
-// GitHub tag integration.
-camp.route(/^\/github\/tag\/(.*)\/(.*)\.(svg|png|gif|jpg)$/,
-cache(function(data, match, sendBadge) {
-  var user = match[1];  // eg, visionmedia/express
-  var repo = match[2];
-  var format = match[3];
-  var apiUrl = 'https://api.github.com/repos/' + user + '/' + repo + '/tags';
-  var badgeData = getBadgeData('tag', data);
-  // A special User-Agent is required:
-  // http://developer.github.com/v3/#user-agent-required
-  request(apiUrl, { headers: { 'User-Agent': 'Shields.io' } }, function(err, res, buffer) {
-    if (err != null) {
-      badgeData.text[1] = 'inaccessible';
-      sendBadge(format, badgeData);
-    }
-    try {
-      var data = JSON.parse(buffer);
-      var tag = data[0].name;
-      badgeData.text[1] = tag;
-      badgeData.colorscheme = 'blue';
-      if (/^v[0-9]/.test(tag)) {
-        tag = tag.slice(1);
-      }
-      if (/^[0-9]/.test(tag)) {
-        badgeData.text[1] = 'v' + tag;
-        if (tag[0] === '0' || /dev/.test(tag)) {
-          badgeData.colorscheme = 'orange';
-        }
-      }
-      sendBadge(format, badgeData);
-    } catch(e) {
-      badgeData.text[1] = 'invalid';
-      sendBadge(format, badgeData);
-    }
-  });
-}));
-
-// GitHub release integration.
-camp.route(/^\/github\/release\/(.*)\/(.*)\.(svg|png|gif|jpg)$/,
-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('release', 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 () {
-        var topTag, tagDate, topDate = null;
+var camp = require('camp').start({
+  documentRoot: __dirname,
+  port: +process.env.PORT||+process.argv[2]||80
+});
+var https = require('https');
+var request = require('request');
+var fs = require('fs');
+var LruCache = require('./lru-cache.js');
+var badge = require('./badge.js');
+var svg2img = require('./svg-to-img.js');
+var semver = require('semver');
+var serverStartTime = new Date((new Date()).toGMTString());
+
+var validTemplates = ['default', 'flat'];
+
+// Analytics
+
+var redis;
+// Use Redis by default.
+var useRedis = true;
+if (process.env.REDISTOGO_URL) {
+  var redisToGo = require('url').parse(process.env.REDISTOGO_URL);
+  redis = require('redis').createClient(redisToGo.port, redisToGo.hostname);
+  redis.auth(redisToGo.auth.split(':')[1]);
+} else {
+  redis = require('redis').createClient();
+}
+redis.on('error', function() {
+  useRedis = false;
+});
+
+var analytics = {};
+
+var analyticsAutoSaveFileName = './analytics.json';
+var analyticsAutoSavePeriod = 10000;
+setInterval(function analyticsAutoSave() {
+  if (useRedis) {
+    redis.set(analyticsAutoSaveFileName, JSON.stringify(analytics));
+  } else {
+    fs.writeFileSync(analyticsAutoSaveFileName, JSON.stringify(analytics));
+  }
+}, analyticsAutoSavePeriod);
+
+// Auto-load analytics.
+function analyticsAutoLoad() {
+  if (useRedis) {
+    redis.get(analyticsAutoSaveFileName, function(err, value) {
+      if (err == null && value != null) {
+        // if/try/return trick:
+        // if error, then the rest of the function is run.
+        try {
+          analytics = JSON.parse(value);
+          return;
+        } catch(e) {}
+      }
+      // In case something happens on the 36th.
+      analytics.vendorMonthly = new Array(36);
+      analytics.rawMonthly = new Array(36);
+      resetMonthlyAnalytics(analytics.vendorMonthly);
+      resetMonthlyAnalytics(analytics.rawMonthly);
+    });
+  } else {
+    // Not using Redis.
+    try {
+      analytics = JSON.parse(fs.readFileSync(analyticsAutoSaveFileName));
+    } catch(e) {
+      // In case something happens on the 36th.
+      analytics.vendorMonthly = new Array(36);
+      analytics.rawMonthly = new Array(36);
+      resetMonthlyAnalytics(analytics.vendorMonthly);
+      resetMonthlyAnalytics(analytics.rawMonthly);
+    }
+  }
+}
+
+var lastDay = (new Date()).getDate();
+function resetMonthlyAnalytics(monthlyAnalytics) {
+  for (var i = 0; i < monthlyAnalytics.length; i++) {
+    monthlyAnalytics[i] = 0;
+  }
+}
+function incrMonthlyAnalytics(monthlyAnalytics) {
+  var currentDay = (new Date()).getDate();
+  // If we changed month, reset empty days.
+  while (lastDay !== currentDay) {
+    // Assumption: at least a hit a month.
+    lastDay = (lastDay + 1) % monthlyAnalytics.length;
+    monthlyAnalytics[lastDay] = 0;
+  }
+  monthlyAnalytics[currentDay]++;
+}
+
+analyticsAutoLoad();
+camp.ajax.on('analytics/v1', function(json, end) { end(analytics); });
+
+// Cache
+
+// We avoid calling the vendor's server for computation of the information in a
+// number of badges.
+var minAccuracy = 0.75;
+
+// The quotient of (vendor) data change frequency by badge request frequency
+// must be lower than this to trigger sending the cached data *before*
+// updating our data from the vendor's server.
+// Indeed, the accuracy of our badges are:
+// A(Δt) = 1 - min(# data change over Δt, # requests over Δt)
+//             / (# requests over Δt)
+//       = 1 - max(1, df) / rf
+var freqRatioMax = 1 - minAccuracy;
+
+// Request cache size of size 1_000_000 (~1GB, 1kB/image).
+var requestCache = new LruCache(1000000);
+
+function cache(f) {
+  return function getRequest(data, match, end, ask) {
+    // Cache management - no cache, so it won't be cached by GitHub's CDN.
+    ask.res.setHeader('Cache-Control', 'no-cache, no-store, must-revalidate');
+    incrMonthlyAnalytics(analytics.vendorMonthly);
+
+    var cacheIndex = match[0] + '?label=' + data.label + '&style=' + data.style;
+    // Should we return the data right away?
+    var cached = requestCache.get(cacheIndex);
+    var cachedVersionSent = false;
+    if (cached !== undefined
+        && cached.dataChange / cached.reqs <= freqRatioMax) {
+      badge(cached.data.badgeData, makeSend(cached.data.format, ask.res, end));
+      cachedVersionSent = true;
+    }
+
+    // In case our vendor servers are unresponsive.
+    var serverUnresponsive = false;
+    var serverResponsive = setTimeout(function() {
+      serverUnresponsive = true;
+      if (cachedVersionSent) { return; }
+      if (requestCache.has(cacheIndex)) {
+        var cached = requestCache.get(cacheIndex).data;
+        badge(cached.badgeData, makeSend(cached.format, ask.res, end));
+        return;
+      }
+      var badgeData = getBadgeData('vendor', data);
+      badgeData.text[1] = 'unresponsive';
+      badge(badgeData, makeSend('svg', ask.res, end));
+    }, 25000);
+
+    f(data, match, function sendBadge(format, badgeData) {
+      if (serverUnresponsive) { return; }
+      clearTimeout(serverResponsive);
+      // Check for a change in the data.
+      var dataHasChanged = false;
+      if (cached !== undefined
+        && cached.data.badgeData.text[1] !== badgeData.text[1]) {
+        dataHasChanged = true;
+      }
+      // Update information in the cache.
+      var updatedCache = {
+        reqs: cached? (cached.reqs + 1): 1,
+        dataChange: cached? (cached.dataChange + (dataHasChanged? 1: 0))
+                          : 1,
+        data: { format: format, badgeData: badgeData }
+      };
+      requestCache.set(cacheIndex, updatedCache);
+      if (!cachedVersionSent) {
+        badge(badgeData, makeSend(format, ask.res, end));
+      }
+    });
+  };
+}
+
+function coveragePercentageColor(percentage) {
+  if (percentage < 80) {
+    return 'red';
+  } else if (percentage < 90) {
+    return 'yellow';
+  } else if (percentage < 95) {
+    return 'green';
+  } else {
+    return 'brightgreen';
+  }
+}
+
+// Vendors.
+
+// Travis integration
+camp.route(/^\/travis(-ci)?\/([^\/]+\/[^\/]+)(?:\/(.+))?\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var userRepo = match[2];  // eg, espadrine/sc
+  var branch = match[3];
+  var format = match[4];
+  var options = {
+    json: true,
+    uri: 'https://api.travis-ci.org/repos/' + userRepo + '/builds.json'
+  };
+  branch = branch || 'master';
+  var badgeData = getBadgeData('build', data);
+  request(options, function(err, res, json) {
+    if (err != null || (json.length !== undefined && json.length === 0)) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+      return;
+    }
+    // Find the latest push on this branch.
+    var build = null;
+    for (var i = 0; i < json.length; i++) {
+      if (json[i].state === 'finished' && json[i].event_type === 'push'
+      && json[i].branch === branch) {
+        build = json[i];
+        break;
+      }
+    }
+    badgeData.text[1] = 'pending';
+    if (build === null) {
+      sendBadge(format, badgeData);
+      return;
+    }
+    if (build.result === 0) {
+      badgeData.colorscheme = 'brightgreen';
+      badgeData.text[1] = 'passing';
+    } else if (build.result === 1) {
+      badgeData.colorscheme = 'red';
+      badgeData.text[1] = 'failing';
+    }
+    sendBadge(format, badgeData);
+  });
+}));
+
+// Gittip integration.
+camp.route(/^\/gittip\/(.*)\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var user = match[1];  // eg, `JSFiddle`.
+  var format = match[2];
+  var apiUrl = 'https://www.gittip.com/' + user + '/public.json';
+  var badgeData = getBadgeData('tips', data);
+  request(apiUrl, function dealWithData(err, res, buffer) {
+    if (err != null) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+      return;
+    }
+    try {
+      var data = JSON.parse(buffer);
+      var money = parseInt(data.receiving);
+      badgeData.text[1] = '$' + metric(money) + '/week';
+      if (money === 0) {
+        badgeData.colorscheme = 'red';
+      } else if (money < 10) {
+        badgeData.colorscheme = 'yellow';
+      } else if (money < 100) {
+        badgeData.colorscheme = 'green';
+      } else {
+        badgeData.colorscheme = 'brightgreen';
+      }
+      sendBadge(format, badgeData);
+    } catch(e) {
+      badgeData.text[1] = 'invalid';
+      sendBadge(format, badgeData);
+    }
+  });
+}));
+
+// Packagist integration.
+camp.route(/^\/packagist\/(dm|dd|dt)\/(.*)\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var info = match[1];  // either `dm` or dt`.
+  var userRepo = match[2];  // eg, `doctrine/orm`.
+  var format = match[3];
+  var apiUrl = 'https://packagist.org/packages/' + userRepo + '.json';
+  var badgeData = getBadgeData('downloads', data);
+  request(apiUrl, function(err, res, buffer) {
+    if (err != null) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+    }
+    try {
+      var data = JSON.parse(buffer);
+      switch (info.charAt(1)) {
+        case 'm':
+          var downloads = data.package.downloads.monthly;
+          badgeData.text[1] = metric(downloads) + '/month';
+          break;
+        case 'd':
+          var downloads = data.package.downloads.daily;
+          badgeData.text[1] = metric(downloads) + '/day';
+          break;
+        case 't':
+          var downloads = data.package.downloads.total;
+          badgeData.text[1] = metric(downloads) + ' total';
+          break;
+      }
+      if (downloads === 0) {
+        badgeData.colorscheme = 'red';
+      } else if (downloads < 10) {
+        badgeData.colorscheme = 'yellow';
+      } else if (downloads < 100) {
+        badgeData.colorscheme = 'yellowgreen';
+      } else if (downloads < 1000) {
+        badgeData.colorscheme = 'green';
+      } else {
+        badgeData.colorscheme = 'brightgreen';
+      }
+      sendBadge(format, badgeData);
+    } catch(e) {
+      badgeData.text[1] = 'invalid';
+      sendBadge(format, badgeData);
+    }
+  });
+}));
+
+// Packagist version integration.
+camp.route(/^\/packagist\/v\/(.*)\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var userRepo = match[1];
+  var format = match[2];
+  var apiUrl = 'https://packagist.org/packages/' + userRepo + '.json';
+  var badgeData = getBadgeData('packagist', data);
+  request(apiUrl, function(err, res, buffer) {
+    if (err != null) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+    }
+    try {
+      var data = JSON.parse(buffer);
+      var version;
+      var unstable = function(ver) { return /dev/.test(ver); };
+      // Grab the latest stable version, or an unstable
+      for (var versionName in data.package.versions) {
+        var current = data.package.versions[versionName];
+
+        if (version !== undefined) {
+          if (unstable(version.version) && !unstable(current.version)) {
+            version = current;
+          } else if (version.version_normalized < current.version_normalized) {
+            version = current;
+          }
+        } else {
+          version = current;
+        }
+      }
+      version = version.version.replace(/^v/, "");
+      badgeData.text[1] = version;
+      if (/^\d/.test(badgeData.text[1])) {
+        badgeData.text[1] = 'v' + version;
+      }
+      if (version[0] === '0' || /dev/.test(version)) {
+        badgeData.colorscheme = 'orange';
+      } else {
+        badgeData.colorscheme = 'blue';
+      }
+      sendBadge(format, badgeData);
+    } catch(e) {
+      badgeData.text[1] = 'invalid';
+      sendBadge(format, badgeData);
+    }
+  });
+}));
+
+// Packagist license integration.
+camp.route(/^\/packagist\/l\/(.*)\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var userRepo = match[1];
+  var format = match[2];
+  var apiUrl = 'https://packagist.org/packages/' + userRepo + '.json';
+  var badgeData = getBadgeData('license', data);
+  request(apiUrl, function(err, res, buffer) {
+    if (err != null) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+    }
+    try {
+      var data = JSON.parse(buffer);
+      // Note: if you change the latest version detection algorithm here,
+      // change it above (for the actual version badge).
+      var version;
+      var unstable = function(ver) { return /dev/.test(ver); };
+      // Grab the latest stable version, or an unstable
+      for (var versionName in data.package.versions) {
+        var current = data.package.versions[versionName];
+
+        if (version !== undefined) {
+          if (unstable(version.version) && !unstable(current.version)) {
+            version = current;
+          } else if (version.version_normalized < current.version_normalized) {
+            version = current;
+          }
+        } else {
+          version = current;
+        }
+      }
+      badgeData.text[1] = version.license[0];
+      badgeData.colorscheme = 'red';
+      sendBadge(format, badgeData);
+    } catch(e) {
+      badgeData.text[1] = 'invalid';
+      sendBadge(format, badgeData);
+    }
+  });
+}));
+
+// npm integration.
+camp.route(/^\/npm\/dm\/(.*)\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var user = match[1];  // eg, `localeval`.
+  var format = match[2];
+  var apiUrl = 'https://api.npmjs.org/downloads/point/last-month/' + user;
+  var badgeData = getBadgeData('downloads', data);
+  request(apiUrl, function(err, res, buffer) {
+    if (err != null) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+      return;
+    }
+    try {
+      var monthly = JSON.parse(buffer).downloads;
+    } catch(e) {
+      badgeData.text[1] = 'invalid';
+      sendBadge(format, badgeData);
+      return;
+    }
+    badgeData.text[1] = metric(monthly) + '/month';
+    if (monthly === 0) {
+      badgeData.colorscheme = 'red';
+    } else if (monthly < 10) {
+      badgeData.colorscheme = 'yellow';
+    } else if (monthly < 100) {
+      badgeData.colorscheme = 'yellowgreen';
+    } else if (monthly < 1000) {
+      badgeData.colorscheme = 'green';
+    } else {
+      badgeData.colorscheme = 'brightgreen';
+    }
+    sendBadge(format, badgeData);
+  });
+}));
+
+// npm version integration.
+camp.route(/^\/npm\/v\/(.*)\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var repo = match[1];  // eg, `localeval`.
+  var format = match[2];
+  var apiUrl = 'https://registry.npmjs.org/' + repo + '/latest';
+  var badgeData = getBadgeData('npm', data);
+  // Using the Accept header because of this bug:
+  // <https://github.com/npm/npmjs.org/issues/163>
+  request(apiUrl, { headers: { 'Accept': '*/*' } }, function(err, res, buffer) {
+    if (err != null) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+    }
+    try {
+      var data = JSON.parse(buffer);
+      var version = data.version;
+      badgeData.text[1] = 'v' + version;
+      if (version[0] === '0' || /dev/.test(version)) {
+        badgeData.colorscheme = 'orange';
+      } else {
+        badgeData.colorscheme = 'blue';
+      }
+      sendBadge(format, badgeData);
+    } catch(e) {
+      badgeData.text[1] = 'invalid';
+      sendBadge(format, badgeData);
+    }
+  });
+}));
+
+// Gem version integration.
+camp.route(/^\/gem\/v\/(.*)\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var repo = match[1];  // eg, `localeval`.
+  var format = match[2];
+  var apiUrl = 'https://rubygems.org/api/v1/gems/' + repo + '.json';
+  var badgeData = getBadgeData('gem', data);
+  request(apiUrl, function(err, res, buffer) {
+    if (err != null) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+    }
+    try {
+      var data = JSON.parse(buffer);
+      var version = data.version;
+      badgeData.text[1] = 'v' + version;
+      if (version[0] === '0' || /dev/.test(version)) {
+        badgeData.colorscheme = 'orange';
+      } else {
+        badgeData.colorscheme = 'blue';
+      }
+      sendBadge(format, badgeData);
+    } catch(e) {
+      badgeData.text[1] = 'invalid';
+      sendBadge(format, badgeData);
+    }
+  });
+}));
+
+// PyPI integration.
+camp.route(/^\/pypi\/([^\/]+)\/(.*)\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var info = match[1];
+  var egg = match[2];  // eg, `gevent`.
+  var format = match[3];
+  var apiUrl = 'https://pypi.python.org/pypi/' + egg + '/json';
+  var badgeData = getBadgeData('pypi', data);
+  request(apiUrl, function(err, res, buffer) {
+    if (err != null) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+    }
+    try {
+      var data = JSON.parse(buffer);
+      if (info.charAt(0) === 'd') {
+        badgeData.text[0] = getLabel('downloads', data);
+        switch (info.charAt(1)) {
+          case 'm':
+            var downloads = data.info.downloads.last_month;
+            badgeData.text[1] = metric(downloads) + '/month';
+            break;
+          case 'w':
+            var downloads = data.info.downloads.last_week;
+            badgeData.text[1] = metric(downloads) + '/week';
+            break;
+          case 'd':
+            var downloads = data.info.downloads.last_day;
+            badgeData.text[1] = metric(downloads) + '/day';
+            break;
+        }
+        if (downloads === 0) {
+          badgeData.colorscheme = 'red';
+        } else if (downloads < 10) {
+          badgeData.colorscheme = 'yellow';
+        } else if (downloads < 100) {
+          badgeData.colorscheme = 'yellowgreen';
+        } else if (downloads < 1000) {
+          badgeData.colorscheme = 'green';
+        } else {
+          badgeData.colorscheme = 'brightgreen';
+        }
+        sendBadge(format, badgeData);
+      } else if (info === 'v') {
+        var version = data.info.version;
+        badgeData.text[1] = 'v' + version;
+        if (version[0] === '0' || /dev/.test(version)) {
+          badgeData.colorscheme = 'orange';
+        } else {
+          badgeData.colorscheme = 'blue';
+        }
+        sendBadge(format, badgeData);
+      }
+    } catch(e) {
+      badgeData.text[1] = 'invalid';
+      sendBadge(format, badgeData);
+    }
+  });
+}));
+
+// Coveralls integration.
+camp.route(/^\/coveralls\/([^\/]+\/[^\/]+)(?:\/(.+))?\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var userRepo = match[1];  // eg, `jekyll/jekyll`.
+  var branch = match[2];
+  var format = match[3];
+  var apiUrl = 'https://coveralls.io/repos/' + userRepo + '/badge.png';
+  if (branch) {
+    apiUrl += '?branch=' + branch;
+  }
+  var badgeData = getBadgeData('coverage', data);
+  https.get(apiUrl, function(res) {
+    // We should get a 302. Look inside the Location header.
+    var buffer = res.headers.location;
+    if (!buffer) {
+      badgeData.text[1] = 'invalid';
+      sendBadge(format, badgeData);
+      return;
+    }
+    try {
+      var score = buffer.split('_')[1].split('.')[0];
+      var percentage = parseInt(score);
+      if (percentage !== percentage) {
+        // It is NaN, treat it as unknown.
+        badgeData.text[1] = 'unknown';
+        sendBadge(format, badgeData);
+        return;
+      }
+    } catch(e) {
+      badgeData.text[1] = 'malformed';
+      sendBadge(format, badgeData);
+      return;
+    }
+    badgeData.text[1] = score + '%';
+    badgeData.colorscheme = coveragePercentageColor(percentage);
+    sendBadge(format, badgeData);
+  }).on('error', function(e) {
+    badgeData.text[1] = 'inaccessible';
+    sendBadge(format, badgeData);
+  });
+}));
+
+// Code Climate coverage integration
+camp.route(/^\/codeclimate\/coverage\/(.+)\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var userRepo = match[1];  // eg, `github/triAGENS/ashikawa-core`.
+  var format = match[2];
+  var options = {
+    method: 'HEAD',
+    uri: 'https://codeclimate.com/' + userRepo + '/coverage.png'
+  };
+  var badgeData = getBadgeData('coverage', data);
+  request(options, function(err, res) {
+    if (err != null) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+    }
+    try {
+      var score = res.headers['content-disposition']
+                     .match(/filename="coverage_(.+)\.png"/)[1];
+      if (!score) {
+        badgeData.text[1] = 'malformed';
+        sendBadge(format, badgeData);
+        return;
+      }
+      var percentage = parseInt(score);
+      if (percentage !== percentage) {
+        // It is NaN, treat it as unknown.
+        badgeData.text[1] = 'unknown';
+        sendBadge(format, badgeData);
+        return;
+      }
+      badgeData.text[1] = score + '%';
+      badgeData.colorscheme = coveragePercentageColor(percentage);
+      sendBadge(format, badgeData);
+    } catch(e) {
+      badgeData.text[1] = 'not found';
+      sendBadge(format, badgeData);
+    }
+  });
+}));
+
+// Code Climate integration
+camp.route(/^\/codeclimate\/(.+)\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var userRepo = match[1];  // eg, `github/kabisaict/flow`.
+  var format = match[2];
+  var options = {
+    method: 'HEAD',
+    uri: 'https://codeclimate.com/' + userRepo + '.png'
+  };
+  var badgeData = getBadgeData('code climate', data);
+  request(options, function(err, res) {
+    if (err != null) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+    }
+    try {
+      var statusMatch = res.headers['content-disposition']
+                           .match(/filename="code_climate-(.+)\.png"/);
+      if (!statusMatch) {
+        badgeData.text[1] = 'unknown';
+        sendBadge(format, badgeData);
+        return;
+      }
+      var state = statusMatch[1].replace('-', '.');
+      var score = +state;
+      badgeData.text[1] = state;
+      if (score == 4) {
+        badgeData.colorscheme = 'brightgreen';
+      } else if (score > 3) {
+        badgeData.colorscheme = 'green';
+      } else if (score > 2) {
+        badgeData.colorscheme = 'yellowgreen';
+      } else if (score > 1) {
+        badgeData.colorscheme = 'yellow';
+      } else {
+        badgeData.colorscheme = 'red';
+      }
+      sendBadge(format, badgeData);
+    } catch(e) {
+      badgeData.text[1] = 'not found';
+      sendBadge(format, badgeData);
+    }
+  });
+}));
+
+// Gemnasium integration
+camp.route(/^\/gemnasium\/(.+)\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var userRepo = match[1];  // eg, `jekyll/jekyll`.
+  var format = match[2];
+  var options = 'https://gemnasium.com/' + userRepo + '.svg';
+  var badgeData = getBadgeData('dependencies', data);
+  request(options, function(err, res, buffer) {
+    if (err != null) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+    }
+    try {
+      var nameMatch = buffer.match(/(devD|d)ependencies/)[0];
+      var statusMatch = buffer.match(/'12'>(.+)<\/text>\n<\/g>/)[1];
+      badgeData.text[0] = nameMatch;
+      badgeData.text[1] = statusMatch;
+      if (statusMatch === 'up-to-date') {
+        badgeData.colorscheme = 'brightgreen';
+      } else if (statusMatch === 'out-of-date') {
+        badgeData.colorscheme = 'yellow';
+      } else if (statusMatch === 'update!') {
+        badgeData.colorscheme = 'red';
+      } else if (statusMatch === 'none') {
+        badgeData.colorscheme = 'brightgreen';
+      } else {
+        badgeData.text[1] = 'undefined';
+      }
+      sendBadge(format, badgeData);
+    } catch(e) {
+      badgeData.text[1] = 'invalid';
+      sendBadge(format, badgeData);
+      return;
+    }
+  });
+}));
+
+// Hackage version integration.
+camp.route(/^\/hackage\/v\/(.*)\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var repo = match[1];  // eg, `lens`.
+  var format = match[2];
+  var apiUrl = 'https://hackage.haskell.org/package/' + repo + '/' + repo + '.cabal';
+  var badgeData = getBadgeData('hackage', data);
+  request(apiUrl, function(err, res, buffer) {
+    if (err != null) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+    }
+    try {
+      var lines = buffer.split("\n");
+      var versionLines = lines.filter(function(e) {
+        return (/^version:/i).test(e) === true;
+      });
+      // We don't have to check length of versionLines, because if we throw,
+      // we'll render the 'invalid' badge below, which is the correct thing
+      // to do.
+      var version = versionLines[0].replace(/\s+/, '').split(/:/)[1];
+      badgeData.text[1] = 'v' + version;
+      if (version[0] === '0') {
+        badgeData.colorscheme = 'orange';
+      } else {
+        badgeData.colorscheme = 'blue';
+      }
+      sendBadge(format, badgeData);
+    } catch(e) {
+      badgeData.text[1] = 'invalid';
+      sendBadge(format, badgeData);
+    }
+  });
+}));
+
+// CocoaPods version integration.
+camp.route(/^\/cocoapods\/v\/(.*)\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var spec = match[1];  // eg, AFNetworking
+  var format = match[2];
+  var apiUrl = 'http://search.cocoapods.org/api/v1/pod/' + spec + '.json';
+  var badgeData = getBadgeData('pod', data);
+  request(apiUrl, function(err, res, buffer) {
+    if (err != null) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+    }
+    try {
+      var data = JSON.parse(buffer);
+      var version = data.version;
+      version = version.replace(/^v/, "");
+      badgeData.text[1] = version;
+      if (/^\d/.test(badgeData.text[1])) {
+        badgeData.text[1] = 'v' + version;
+      }
+      if (version[0] === '0' || /dev/.test(version)) {
+        badgeData.colorscheme = 'orange';
+      } else {
+        badgeData.colorscheme = 'blue';
+      }
+      sendBadge(format, badgeData);
+    } catch(e) {
+      badgeData.text[1] = 'invalid';
+      sendBadge(format, badgeData);
+    }
+  });
+}));
+
+// GitHub tag integration.
+camp.route(/^\/github\/tag\/(.*)\/(.*)\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var user = match[1];  // eg, visionmedia/express
+  var repo = match[2];
+  var format = match[3];
+  var apiUrl = 'https://api.github.com/repos/' + user + '/' + repo + '/tags';
+  var badgeData = getBadgeData('tag', data);
+  // A special User-Agent is required:
+  // http://developer.github.com/v3/#user-agent-required
+  request(apiUrl, { headers: { 'User-Agent': 'Shields.io' } }, function(err, res, buffer) {
+    if (err != null) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+    }
+    try {
+      var data = JSON.parse(buffer);
+      var tag = data[0].name;
+      badgeData.text[1] = tag;
+      badgeData.colorscheme = 'blue';
+      if (/^v[0-9]/.test(tag)) {
+        tag = tag.slice(1);
+      }
+      if (/^[0-9]/.test(tag)) {
+        badgeData.text[1] = 'v' + tag;
+        if (tag[0] === '0' || /dev/.test(tag)) {
+          badgeData.colorscheme = 'orange';
+        }
+      }
+      sendBadge(format, badgeData);
+    } catch(e) {
+      badgeData.text[1] = 'invalid';
+      sendBadge(format, badgeData);
+    }
+  });
+}));
+
+// GitHub release integration.
+camp.route(/^\/github\/release\/(.*)\/(.*)\.(svg|png|gif|jpg)$/,
+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('release', 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 () {
+        var topTag, tagDate, topDate = null;
         for (var i = 0, len = data.length; i < len; i++) {
           if (!data[i].draft) {
-            tagDate = new Date(data[i].created_at);
+            tagDate = new Date(data[i].created_at);
             if (topDate === null || tagDate > topDate) {
               topDate = tagDate;
-              topTag = i;
+              topTag = i;
             }
           }
-        }
+        }
         return data[topTag];
-      })();
-      var tag = latest.tag_name;
-      badgeData.text[1] = tag;
-      badgeData.colorscheme = latest.prerelease ? 'orange' : 'blue';
-      if (/^v[0-9]/.test(tag)) {
-        tag = tag.slice(1);
-      }
-      if (/^[0-9]/.test(tag)) {
-        badgeData.text[1] = 'v' + tag;
-        if (tag[0] === '0' || /dev/.test(tag)) {
-          badgeData.colorscheme = 'orange';
-        }
-      }
-      sendBadge(format, badgeData);
-    } catch(e) {
-      badgeData.text[1] = 'invalid';
-      sendBadge(format, badgeData);
-    }
-  });
-}));
-
-// Chef cookbook integration.
-camp.route(/^\/cookbook\/v\/(.*)\.(svg|png|gif|jpg)$/,
-cache(function(data, match, sendBadge) {
-  var cookbook = match[1]; // eg, chef-sugar
-  var format = match[2];
-  var apiUrl = 'https://cookbooks.opscode.com/api/v1/cookbooks/' + cookbook + '/versions/latest';
-  var badgeData = getBadgeData('cookbook', data);
-
-  request(apiUrl, function(err, res, buffer) {
-    if (err != null) {
-      badgeData.text[1] = 'inaccessible';
-      sendBadge(format, badgeData);
-    }
-
-    try {
-      var data = JSON.parse(buffer);
-      var version = data.version;
-      badgeData.text[1] = 'v' + version;
-      if (version[0] === '0' || /dev/.test(version)) {
-        badgeData.colorscheme = 'orange';
-      } else {
-        badgeData.colorscheme = 'blue';
-      }
-      sendBadge(format, badgeData);
-    } catch(e) {
-      badgeData.text[1] = 'invalid';
-      sendBadge(format, badgeData);
-    }
-  });
-}));
-
-// NuGet version integration.
-camp.route(/^\/nuget\/v\/(.*)\.(svg|png|gif|jpg)$/,
-cache(function(data, match, sendBadge) {
-  var repo = match[1];  // eg, `Nuget.Core`.
-  var format = match[2];
-  var apiUrl = 'https://www.nuget.org/api/v2/Packages()?$filter=Id%20eq%20%27' + repo + '%27%20and%20IsLatestVersion%20eq%20true';
-  var badgeData = getBadgeData('nuget', data);
-  request(apiUrl, { headers: { 'Accept': 'application/atom+json,application/json' } }, function(err, res, buffer) {
-    if (err != null) {
-      badgeData.text[1] = 'inaccessible';
-      sendBadge(format, badgeData);
-    }
-    try {
-      var data = JSON.parse(buffer);
-      var version = data.d.results[0].NormalizedVersion;
-      badgeData.text[1] = 'v' + version;
-      if (version[0] === '0') {
-        badgeData.colorscheme = 'orange';
-      } else {
-        badgeData.colorscheme = 'blue';
-      }
-      sendBadge(format, badgeData);
-    } catch(e) {
-      badgeData.text[1] = 'invalid';
-      sendBadge(format, badgeData);
-    }
-  });
-}));
-
-// TeamCity CodeBetter code coverage
-camp.route(/^\/teamcity\/codebetter\/(.*)\/coverage\.(svg|png|gif|jpg)$/,
-cache(function(data, match, sendBadge) {
-  var buildType = match[1];  // eg, `bt428`.
-  var format = match[2];
-  var apiUrl = 'http://teamcity.codebetter.com/app/rest/builds/buildType:(id:' + buildType + ')/statistics?guest=1';
-  var badgeData = getBadgeData('coverage', data);
-  request(apiUrl, { headers: { 'Accept': 'application/json' } }, function(err, res, buffer) {
-    if (err != null) {
-      badgeData.text[1] = 'inaccessible';
-      sendBadge(format, badgeData);
-    }
-    try {
-      var data = JSON.parse(buffer);
-      var covered;
-      var total;
-
-      data.property.forEach(function(property) {
-        if (property.name === 'CodeCoverageAbsSCovered') {
-          covered = property.value;
-        } else if (property.name === 'CodeCoverageAbsSTotal') {
-          total = property.value;
-        }
-      })
-
-      if (covered === undefined || total === undefined) {
-        badgeData.text[1] = 'malformed';
-        sendBadge(format, badgeData);
-        return;
-      }
-
-      var percentage = covered / total * 100;
-      badgeData.text[1] = percentage.toFixed(0) + '%';
-      badgeData.colorscheme = coveragePercentageColor(percentage);
-      sendBadge(format, badgeData);
-    } catch(e) {
-      badgeData.text[1] = 'invalid';
-      sendBadge(format, badgeData);
-    }
-  });
-}));
-
-// TeamCity CodeBetter version integration.
-camp.route(/^\/teamcity\/codebetter\/(.*)\.(svg|png|gif|jpg)$/,
-cache(function(data, match, sendBadge) {
-  var buildType = match[1];  // eg, `bt428`.
-  var format = match[2];
-  var apiUrl = 'http://teamcity.codebetter.com/app/rest/builds/buildType:(id:' + buildType + ')?guest=1';
-  var badgeData = getBadgeData('build', data);
-  request(apiUrl, { headers: { 'Accept': 'application/json' } }, function(err, res, buffer) {
-    if (err != null) {
-      badgeData.text[1] = 'inaccessible';
-      sendBadge(format, badgeData);
-    }
-    try {
-      var data = JSON.parse(buffer);
-      var status = data.status;
-      badgeData.text[1] = (status || '').toLowerCase();
-      if (status === 'SUCCESS') {
-        badgeData.colorscheme = 'brightgreen'; 
-      } else {
-        badgeData.colorscheme = 'red'; 
-      }
-      sendBadge(format, badgeData);
-    } catch(e) {
-      badgeData.text[1] = 'invalid';
-      sendBadge(format, badgeData);
-    }
-  });
-}));
-
-// Puppet Forge
-camp.route(/^\/puppetforge\/v\/([^\/]+\/[^\/]+)\.(svg|png|gif|jpg)$/,
-cache(function(data, match, sendBadge) {
-  var userRepo = match[1];
-  var format = match[2];
-  var options = {
-    json: true,
-    uri: 'https://forge.puppetlabs.com/api/v1/releases.json?module=' + userRepo
-  };
-  var badgeData = getBadgeData('puppetforge', data);
-  request(options, function dealWithData(err, res, json) {
-    if (err != null || (json.length !== undefined && json.length === 0)) {
-      badgeData.text[1] = 'inaccessible';
-      sendBadge(format, badgeData);
-      return;
-    }
-    try {
-      var unstable = function(ver) {
-        return /-[0-9A-Za-z.-]+(?:\+[0-9A-Za-z.-]+)?$/.test(ver);
-      };
-      var releases = json[userRepo];
-      if (releases.length == 0) {
-        badgeData.text[1] = 'none';
-        badgeData.colorscheme = 'lightgrey';
-        sendBadge(format, badgeData);
-        return;
-      }
-      var version = releases[0].version;
-      for (var i = 0; i < releases.length; i++) {
-        var current = releases[i].version;
-        if (semver.gt(current, version)) {
-          version = current;
-        }
-      }
-      if (unstable(version)) {
-        badgeData.colorscheme = "yellow";
-      } else {
-        badgeData.colorscheme = "blue";
-      }
-      badgeData.text[1] = "v" + version;
-      sendBadge(format, badgeData);
-
-    } catch(e) {
-      badgeData.text[1] = 'invalid';
-      sendBadge(format, badgeData);
-    }
-  });
-}));
-
-// Any badge.
-camp.route(/^\/(:|badge\/)(([^-]|--)+)-(([^-]|--)+)-(([^-]|--)+)\.(svg|png|gif|jpg)$/,
-function(data, match, end, ask) {
-  var subject = escapeFormat(match[2]);
-  var status = escapeFormat(match[4]);
-  var color = escapeFormat(match[6]);
-  var format = match[8];
-
-  incrMonthlyAnalytics(analytics.rawMonthly);
-
-  // Cache management - the badge is constant.
-  var cacheDuration = (3600*24*1)|0;    // 1 day.
-  ask.res.setHeader('Cache-Control', 'public, max-age=' + cacheDuration);
-  if (+(new Date(ask.req.headers['if-modified-since'])) >= +serverStartTime) {
-    ask.res.statusCode = 304;
-    ask.res.end();  // not modified.
-    return;
-  }
-  ask.res.setHeader('Last-Modified', serverStartTime.toGMTString());
-
-  // Badge creation.
-  try {
-    var badgeData = {text: [subject, status]};
-    if (sixHex(color)) {
-      badgeData.colorB = '#' + color;
-    } else {
-      badgeData.colorscheme = color;
-    }
-    if (data.style && validTemplates.indexOf(data.style) > -1) {
-      badgeData.template = data.style;
-    }
-    badge(badgeData, makeSend(format, ask.res, end));
-  } catch(e) {
-    badge({text: ['error', 'bad badge'], colorscheme: 'red'},
-      makeSend(format, ask.res, end));
-  }
-});
-
-// Any badge, old version.
-camp.route(/^\/([^\/]+)\/(.+).png$/,
-function(data, match, end, ask) {
-  var subject = match[1];
-  var status = match[2];
-  var color = data.color;
-
-  // Cache management - the badge is constant.
-  var cacheDuration = (3600*24*1)|0;    // 1 day.
-  ask.res.setHeader('Cache-Control', 'public, max-age=' + cacheDuration);
-  if (+(new Date(ask.req.headers['if-modified-since'])) >= +serverStartTime) {
-    ask.res.statusCode = 304;
-    ask.res.end();  // not modified.
-    return;
-  }
-  ask.res.setHeader('Last-Modified', serverStartTime.toGMTString());
-
-  // Badge creation.
-  try {
-    var badgeData = {text: [subject, status]};
-    badgeData.colorscheme = color;
-    badge(badgeData, makeSend('png', ask.res, end));
-  } catch(e) {
-    badge({text: ['error', 'bad badge'], colorscheme: 'red'},
-      makeSend('png', ask.res, end));
-  }
-});
-
-// Redirect the root to the website.
-camp.route(/^\/$/, function(data, match, end, ask) {
-  ask.res.statusCode = 302;
-  ask.res.setHeader('Location', 'http://shields.io');
-  ask.res.end();
-});
-
-// Escapes `t` using the format specified in
-// <https://github.com/espadrine/gh-badges/issues/12#issuecomment-31518129>
-function escapeFormat(t) {
-  return t
-    // Inline single underscore.
-    .replace(/([^_])_([^_])/g, '$1 $2')
-    // Leading or trailing underscore.
-    .replace(/([^_])_$/, '$1 ').replace(/^_([^_])/, ' $1')
-    // Double underscore and double dash.
-    .replace(/__/g, '_').replace(/--/g, '-');
-}
-
-function sixHex(s) { return /^[0-9a-fA-F]{6}$/.test(s); }
-
-function getLabel(label, data) {
-  return data.label || label;
-}
-
-function getBadgeData(defaultLabel, data) {
-  var label = getLabel(defaultLabel, data);
-  var template = data.style || 'default';
-  if (data.style && validTemplates.indexOf(data.style) > -1) {
-    template = data.style;
-  };
-
-  return {text:[label, 'n/a'], colorscheme:'lightgrey', template:template};
-}
-
-function makeSend(format, askres, end) {
-  if (format === 'svg') {
-    return function(res) { sendSVG(res, askres, end); };
-  } else {
-    return function(res) { sendOther(format, res, askres, end); };
-  }
-}
-
-function sendSVG(res, askres, end) {
-  askres.setHeader('Content-Type', 'image/svg+xml;charset=utf-8');
-  end(null, {template: streamFromString(res)});
-}
-
-function sendOther(format, res, askres, end) {
-  askres.setHeader('Content-Type', 'image/' + format);
-  svg2img(res, format, askres);
-}
-
-var stream = require('stream');
-function streamFromString(str) {
-  var newStream = new stream.Readable();
-  newStream._read = function() { newStream.push(str); newStream.push(null); };
-  return newStream;
-}
-
-// Given a number, string with appropriate unit in the metric system, SI.
-// Note: numbers beyond the peta- cannot be represented as integers in JS.
-var metricPrefix = ['k', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y'];
-var metricPower = metricPrefix
-    .map(function(a, i) { return Math.pow(1000, i + 1); });
-function metric(n) {
-  for (var i = metricPrefix.length - 1; i >= 0; i--) {
-    var limit = metricPower[i];
-    if (n > limit) {
-      n = Math.round(n / limit);
-      return ''+n + metricPrefix[i];
-    }
-  }
-  return ''+n;
-}
+      })();
+      var tag = latest.tag_name;
+      badgeData.text[1] = tag;
+      badgeData.colorscheme = latest.prerelease ? 'orange' : 'blue';
+      if (/^v[0-9]/.test(tag)) {
+        tag = tag.slice(1);
+      }
+      if (/^[0-9]/.test(tag)) {
+        badgeData.text[1] = 'v' + tag;
+        if (tag[0] === '0' || /dev/.test(tag)) {
+          badgeData.colorscheme = 'orange';
+        }
+      }
+      sendBadge(format, badgeData);
+    } catch(e) {
+      badgeData.text[1] = 'invalid';
+      sendBadge(format, badgeData);
+    }
+  });
+}));
+
+// Chef cookbook integration.
+camp.route(/^\/cookbook\/v\/(.*)\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var cookbook = match[1]; // eg, chef-sugar
+  var format = match[2];
+  var apiUrl = 'https://cookbooks.opscode.com/api/v1/cookbooks/' + cookbook + '/versions/latest';
+  var badgeData = getBadgeData('cookbook', data);
+
+  request(apiUrl, function(err, res, buffer) {
+    if (err != null) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+    }
+
+    try {
+      var data = JSON.parse(buffer);
+      var version = data.version;
+      badgeData.text[1] = 'v' + version;
+      if (version[0] === '0' || /dev/.test(version)) {
+        badgeData.colorscheme = 'orange';
+      } else {
+        badgeData.colorscheme = 'blue';
+      }
+      sendBadge(format, badgeData);
+    } catch(e) {
+      badgeData.text[1] = 'invalid';
+      sendBadge(format, badgeData);
+    }
+  });
+}));
+
+// NuGet version integration.
+camp.route(/^\/nuget\/v\/(.*)\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var repo = match[1];  // eg, `Nuget.Core`.
+  var format = match[2];
+  var apiUrl = 'https://www.nuget.org/api/v2/Packages()?$filter=Id%20eq%20%27' + repo + '%27%20and%20IsLatestVersion%20eq%20true';
+  var badgeData = getBadgeData('nuget', data);
+  request(apiUrl, { headers: { 'Accept': 'application/atom+json,application/json' } }, function(err, res, buffer) {
+    if (err != null) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+    }
+    try {
+      var data = JSON.parse(buffer);
+      var version = data.d.results[0].NormalizedVersion;
+      badgeData.text[1] = 'v' + version;
+      if (version[0] === '0') {
+        badgeData.colorscheme = 'orange';
+      } else {
+        badgeData.colorscheme = 'blue';
+      }
+      sendBadge(format, badgeData);
+    } catch(e) {
+      badgeData.text[1] = 'invalid';
+      sendBadge(format, badgeData);
+    }
+  });
+}));
+
+// TeamCity CodeBetter code coverage
+camp.route(/^\/teamcity\/codebetter\/(.*)\/coverage\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var buildType = match[1];  // eg, `bt428`.
+  var format = match[2];
+  var apiUrl = 'http://teamcity.codebetter.com/app/rest/builds/buildType:(id:' + buildType + ')/statistics?guest=1';
+  var badgeData = getBadgeData('coverage', data);
+  request(apiUrl, { headers: { 'Accept': 'application/json' } }, function(err, res, buffer) {
+    if (err != null) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+    }
+    try {
+      var data = JSON.parse(buffer);
+      var covered;
+      var total;
+
+      data.property.forEach(function(property) {
+        if (property.name === 'CodeCoverageAbsSCovered') {
+          covered = property.value;
+        } else if (property.name === 'CodeCoverageAbsSTotal') {
+          total = property.value;
+        }
+      })
+
+      if (covered === undefined || total === undefined) {
+        badgeData.text[1] = 'malformed';
+        sendBadge(format, badgeData);
+        return;
+      }
+
+      var percentage = covered / total * 100;
+      badgeData.text[1] = percentage.toFixed(0) + '%';
+      badgeData.colorscheme = coveragePercentageColor(percentage);
+      sendBadge(format, badgeData);
+    } catch(e) {
+      badgeData.text[1] = 'invalid';
+      sendBadge(format, badgeData);
+    }
+  });
+}));
+
+// TeamCity CodeBetter version integration.
+camp.route(/^\/teamcity\/codebetter\/(.*)\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var buildType = match[1];  // eg, `bt428`.
+  var format = match[2];
+  var apiUrl = 'http://teamcity.codebetter.com/app/rest/builds/buildType:(id:' + buildType + ')?guest=1';
+  var badgeData = getBadgeData('build', data);
+  request(apiUrl, { headers: { 'Accept': 'application/json' } }, function(err, res, buffer) {
+    if (err != null) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+    }
+    try {
+      var data = JSON.parse(buffer);
+      var status = data.status;
+      badgeData.text[1] = (status || '').toLowerCase();
+      if (status === 'SUCCESS') {
+        badgeData.colorscheme = 'brightgreen'; 
+      } else {
+        badgeData.colorscheme = 'red'; 
+      }
+      sendBadge(format, badgeData);
+    } catch(e) {
+      badgeData.text[1] = 'invalid';
+      sendBadge(format, badgeData);
+    }
+  });
+}));
+
+// Puppet Forge
+camp.route(/^\/puppetforge\/v\/([^\/]+\/[^\/]+)\.(svg|png|gif|jpg)$/,
+cache(function(data, match, sendBadge) {
+  var userRepo = match[1];
+  var format = match[2];
+  var options = {
+    json: true,
+    uri: 'https://forge.puppetlabs.com/api/v1/releases.json?module=' + userRepo
+  };
+  var badgeData = getBadgeData('puppetforge', data);
+  request(options, function dealWithData(err, res, json) {
+    if (err != null || (json.length !== undefined && json.length === 0)) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+      return;
+    }
+    try {
+      var unstable = function(ver) {
+        return /-[0-9A-Za-z.-]+(?:\+[0-9A-Za-z.-]+)?$/.test(ver);
+      };
+      var releases = json[userRepo];
+      if (releases.length == 0) {
+        badgeData.text[1] = 'none';
+        badgeData.colorscheme = 'lightgrey';
+        sendBadge(format, badgeData);
+        return;
+      }
+      var version = releases[0].version;
+      for (var i = 0; i < releases.length; i++) {
+        var current = releases[i].version;
+        if (semver.gt(current, version)) {
+          version = current;
+        }
+      }
+      if (unstable(version)) {
+        badgeData.colorscheme = "yellow";
+      } else {
+        badgeData.colorscheme = "blue";
+      }
+      badgeData.text[1] = "v" + version;
+      sendBadge(format, badgeData);
+
+    } catch(e) {
+      badgeData.text[1] = 'invalid';
+      sendBadge(format, badgeData);
+    }
+  });
+}));
+
+// Any badge.
+camp.route(/^\/(:|badge\/)(([^-]|--)+)-(([^-]|--)+)-(([^-]|--)+)\.(svg|png|gif|jpg)$/,
+function(data, match, end, ask) {
+  var subject = escapeFormat(match[2]);
+  var status = escapeFormat(match[4]);
+  var color = escapeFormat(match[6]);
+  var format = match[8];
+
+  incrMonthlyAnalytics(analytics.rawMonthly);
+
+  // Cache management - the badge is constant.
+  var cacheDuration = (3600*24*1)|0;    // 1 day.
+  ask.res.setHeader('Cache-Control', 'public, max-age=' + cacheDuration);
+  if (+(new Date(ask.req.headers['if-modified-since'])) >= +serverStartTime) {
+    ask.res.statusCode = 304;
+    ask.res.end();  // not modified.
+    return;
+  }
+  ask.res.setHeader('Last-Modified', serverStartTime.toGMTString());
+
+  // Badge creation.
+  try {
+    var badgeData = {text: [subject, status]};
+    if (sixHex(color)) {
+      badgeData.colorB = '#' + color;
+    } else {
+      badgeData.colorscheme = color;
+    }
+    if (data.style && validTemplates.indexOf(data.style) > -1) {
+      badgeData.template = data.style;
+    }
+    badge(badgeData, makeSend(format, ask.res, end));
+  } catch(e) {
+    badge({text: ['error', 'bad badge'], colorscheme: 'red'},
+      makeSend(format, ask.res, end));
+  }
+});
+
+// Any badge, old version.
+camp.route(/^\/([^\/]+)\/(.+).png$/,
+function(data, match, end, ask) {
+  var subject = match[1];
+  var status = match[2];
+  var color = data.color;
+
+  // Cache management - the badge is constant.
+  var cacheDuration = (3600*24*1)|0;    // 1 day.
+  ask.res.setHeader('Cache-Control', 'public, max-age=' + cacheDuration);
+  if (+(new Date(ask.req.headers['if-modified-since'])) >= +serverStartTime) {
+    ask.res.statusCode = 304;
+    ask.res.end();  // not modified.
+    return;
+  }
+  ask.res.setHeader('Last-Modified', serverStartTime.toGMTString());
+
+  // Badge creation.
+  try {
+    var badgeData = {text: [subject, status]};
+    badgeData.colorscheme = color;
+    badge(badgeData, makeSend('png', ask.res, end));
+  } catch(e) {
+    badge({text: ['error', 'bad badge'], colorscheme: 'red'},
+      makeSend('png', ask.res, end));
+  }
+});
+
+// Redirect the root to the website.
+camp.route(/^\/$/, function(data, match, end, ask) {
+  ask.res.statusCode = 302;
+  ask.res.setHeader('Location', 'http://shields.io');
+  ask.res.end();
+});
+
+// Escapes `t` using the format specified in
+// <https://github.com/espadrine/gh-badges/issues/12#issuecomment-31518129>
+function escapeFormat(t) {
+  return t
+    // Inline single underscore.
+    .replace(/([^_])_([^_])/g, '$1 $2')
+    // Leading or trailing underscore.
+    .replace(/([^_])_$/, '$1 ').replace(/^_([^_])/, ' $1')
+    // Double underscore and double dash.
+    .replace(/__/g, '_').replace(/--/g, '-');
+}
+
+function sixHex(s) { return /^[0-9a-fA-F]{6}$/.test(s); }
+
+function getLabel(label, data) {
+  return data.label || label;
+}
+
+function getBadgeData(defaultLabel, data) {
+  var label = getLabel(defaultLabel, data);
+  var template = data.style || 'default';
+  if (data.style && validTemplates.indexOf(data.style) > -1) {
+    template = data.style;
+  };
+
+  return {text:[label, 'n/a'], colorscheme:'lightgrey', template:template};
+}
+
+function makeSend(format, askres, end) {
+  if (format === 'svg') {
+    return function(res) { sendSVG(res, askres, end); };
+  } else {
+    return function(res) { sendOther(format, res, askres, end); };
+  }
+}
+
+function sendSVG(res, askres, end) {
+  askres.setHeader('Content-Type', 'image/svg+xml;charset=utf-8');
+  end(null, {template: streamFromString(res)});
+}
+
+function sendOther(format, res, askres, end) {
+  askres.setHeader('Content-Type', 'image/' + format);
+  svg2img(res, format, askres);
+}
+
+var stream = require('stream');
+function streamFromString(str) {
+  var newStream = new stream.Readable();
+  newStream._read = function() { newStream.push(str); newStream.push(null); };
+  return newStream;
+}
+
+// Given a number, string with appropriate unit in the metric system, SI.
+// Note: numbers beyond the peta- cannot be represented as integers in JS.
+var metricPrefix = ['k', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y'];
+var metricPower = metricPrefix
+    .map(function(a, i) { return Math.pow(1000, i + 1); });
+function metric(n) {
+  for (var i = metricPrefix.length - 1; i >= 0; i--) {
+    var limit = metricPower[i];
+    if (n > limit) {
+      n = Math.round(n / limit);
+      return ''+n + metricPrefix[i];
+    }
+  }
+  return ''+n;
+}