1 files changed, 69 insertions, 17 deletions

diff --git a/lib/grunt/utils.js b/lib/grunt/utils.js
index 7b772c34..24788bff 100644
--- a/lib/grunt/utils.js
+++ b/lib/grunt/utils.js
@@ -2,6 +2,7 @@ var fs = require('fs');
 var shell = require('shelljs');
 var grunt = require('grunt');
 var spawn = require('child_process').spawn;
+var semver = require('semver');
 var version;
 var CSP_CSS_HEADER = '/* Include this file in your html if you are using the CSP mode. */\n\n';
 
@@ -32,31 +33,82 @@ module.exports = {
 
   getVersion: function(){
     if (version) return version;
-
     var package = JSON.parse(fs.readFileSync('package.json', 'UTF-8'));
-    var match = package.version.match(/^([^\-]*)(?:\-(.+))?$/);
-    var semver = match[1].split('.');
+    try {
+
+      var gitTag = getTagOfCurrentCommit();
+      var semVerVersion, codeName, fullVersion;
+      if (gitTag) {
+        // tagged release
+        fullVersion = semVerVersion = semver.valid(gitTag);
+        codeName = getTaggedReleaseCodeName(gitTag);
+      } else {
+        // snapshot release
+        semVerVersion = getSnapshotVersion();
+        fullVersion = semVerVersion + '-' + getSnapshotSuffix();
+        codeName = 'snapshot'
+      }
+
+      var versionParts = semVerVersion.match(/(\d+)\.(\d+)\.(\d+)/);
+
+      version = {
+        full: fullVersion,
+        major: versionParts[1],
+        minor: versionParts[2],
+        dot: versionParts[3],
+        codename: codeName,
+        cdn: package.cdnVersion
+      };
 
-    var fullVersion = match[1];
+      return version;
 
-    if (match[2]) {
-      fullVersion += '-';
-      fullVersion += (match[2] == 'snapshot') ? getSnapshotSuffix() : match[2];
+    } catch (e) {
+      grunt.fail.warn(e);
     }
 
-    version = {
-      full: fullVersion,
-      major: semver[0],
-      minor: semver[1],
-      dot: semver[2].replace(/rc\d+/, ''),
-      codename: package.codename,
-      cdn: package.cdnVersion
-    };
+    function getTagOfCurrentCommit() {
+      var gitTagResult = shell.exec('git describe --exact-match', {silent:true});
+      var gitTagOutput = gitTagResult.output.trim();
+      var branchVersionPattern = new RegExp(package.branchVersion.replace('.', '\\.').replace('*', '\\d+'));
+      if (gitTagResult.code === 0 && gitTagOutput.match(branchVersionPattern)) {
+        return gitTagOutput;
+      } else {
+        return null;
+      }
+    }
 
-    return version;
+    function getTaggedReleaseCodeName(tagName) {
+      var tagMessage = shell.exec('git cat-file -p '+ tagName +' | grep "codename"', {silent:true}).output;
+      var codeName = tagMessage && tagMessage.match(/codename\((.*)\)/)[1];
+      if (!codeName) {
+        throw new Error("Could not extract release code name. The message of tag "+tagName+
+          " must match '*codename(some release name)*'");
+      }
+      return codeName;
+    }
+
+    function getSnapshotVersion() {
+      var oldTags = shell.exec('git tag -l v'+package.branchVersion, {silent:true}).output.trim().split('\n');
+      // ignore non semver versions.
+      oldTags = oldTags.filter(function(version) {
+        return version && semver.valid(version);
+      });
+      if (oldTags.length) {
+        oldTags.sort(semver.compare);
+        semVerVersion = oldTags[oldTags.length-1];
+        if (semVerVersion.indexOf('-') !== -1) {
+          semVerVersion = semver.inc(semVerVersion, 'prerelease');
+        } else {
+          semVerVersion = semver.inc(semVerVersion, 'patch');
+        }
+      } else {
+        semVerVersion = semver.valid(package.branchVersion.replace(/\*/g, '0'));
+      }
+      return semVerVersion;
+    }
 
     function getSnapshotSuffix() {
-      var jenkinsBuild = process.env.BUILD_NUMBER || 'local';
+      var jenkinsBuild = process.env.TRAVIS_BUILD_NUMBER || process.env.BUILD_NUMBER || 'local';
       var hash = shell.exec('git rev-parse --short HEAD', {silent: true}).output.replace('\n', '');
       return 'build.'+jenkinsBuild+'+sha.'+hash;
     }