feat(bump all files): add support for prerelase

Upgrade semve to allow for prerelease versions
Change RexExp for versions and prerelease versions
Add prereleaseName to options, defaulted to null
- pre release types:
named:   1.0.0-rc.0
unnamed: 1.0.0-0
Fix issue where bump:git on multiple files failed

Closes: 42, 94, 102, 110

README.md

@@ -35,7 +35,8 @@ grunt.initConfig({
       push: true,
       pushTo: 'upstream',
       gitDescribeOptions: '--tags --always --abbrev=1 --dirty=-d',
-      globalReplace: false
+      globalReplace: false,
+      prereleaseName: null
     }
   },
 })
@@ -124,6 +125,19 @@ Default value: `false`
 
 Replace all occurrences of the version in the file. When set to `false`, only the first occurrence will be replaced.
 
+#### options.prereleaseName
+Type: `String`
+Default value: `rc`
+
+When bumping to a prerelease version this will be the identifier of the prerelease e.g. `dev`, `alpha`, `beta`, `rc` etc.
+1.0.0-`prereleaseName`.0
+When left as the default `null` version bump:prereleae will behave as follows:
+* 1.0.0   to 1.0.1-0
+* 1.0.1-0 to 1.0.1-2
+* from a previous bump:git
+  * 1.0.0-7-g10b5 to 1.0.0-8
+
+
 ### Usage Examples
 
 Let's say current version is `0.0.1`.
@@ -153,12 +167,6 @@ $ grunt bump:major
 >> Tagged as "v1.0.0"
 >> Pushed to origin
 
-$ grunt bump:prerelease
->> Version bumped to 1.0.0-1
->> Committed as "Release v1.0.0-1"
->> Tagged as "v1.0.0-1"
->> Pushed to origin
-
 $ grunt bump:patch
 >> Version bumped to 1.0.1
 >> Committed as "Release v1.0.1"
@@ -170,6 +178,60 @@ $ grunt bump:git
 >> Committed as "Release v1.0.1-ge96c"
 >> Tagged as "v1.0.1-ge96c"
 >> Pushed to origin
+
+$ grunt bump:prepatch
+>> Version bumped to 1.0.2-rc.0
+>> Committed as "Release v1.0.2-rc.0"
+>> Tagged as "v1.0.2-rc.0"
+>> Pushed to origin
+
+$ grunt bump:prerelease
+>> Version bumped to 1.0.2-rc.0
+>> Committed as "Release v1.0.2-rc.0"
+>> Tagged as "v1.0.2.rc.0"
+>> Pushed to origin
+
+$ grunt bump:prerelease
+>> Version bumped to 1.0.2-rc.1
+>> Committed as "Release v1.0.2-rc.1"
+>> Tagged as "v1.0.2.rc.1"
+>> Pushed to origin
+
+$ grunt bump:patch # (major, minor or patch) will do this
+>> Version bumped to 1.0.2
+>> Committed as "Release v1.0.2"
+>> Tagged as "v1.0.2"
+>> Pushed to origin
+
+$ grunt bump:preminor
+>> Version bumped to 1.1.0-rc.0
+>> Committed as "Release v1.1.0-rc.0"
+>> Tagged as "v1.1.0-rc.0"
+>> Pushed to origin
+
+$ grunt bump
+>> Version bumped to 1.1.0
+>> Committed as "Release v1.1.0"
+>> Tagged as "v1.1.0"
+>> Pushed to origin
+
+$ grunt bump:premajor
+>> Version bumped to 2.0.0-rc.0
+>> Committed as "Release v2.0.0-rc.0"
+>> Tagged as "v2.0.0-rc.0"
+>> Pushed to origin
+
+$ grunt bump
+>> Version bumped to 2.0.0
+>> Committed as "Release v2.0.0"
+>> Tagged as "v2.0.0"
+>> Pushed to origin
+
+$ grunt bump:prerelease  # from a released version `prerelease` defaults to prepatch
+>> Version bumped to 2.0.1-rc.0
+>> Committed as "Release v2.0.1-rc.0"
+>> Tagged as "v2.0.1-rc.0"
+>> Pushed to origin
 ````
 
 If you want to jump to an exact version, you can use the ```setversion``` tag in the command line.

package.json

@@ -47,7 +47,7 @@
   },
   "license": "MIT",
   "dependencies": {
-    "semver": "~2.3.0"
+    "semver": "~4.2.2"
   },
   "peerDependencies": {
     "grunt": ">=0.4.0"

tasks/bump.js

@@ -6,6 +6,10 @@
  * grunt bump:patch
  * grunt bump:minor
  * grunt bump:major
+ * grunt bump:prepatch
+ * grunt bump:preminor
+ * grunt bump:premajor
+ * grunt bump:prerelease
  *
  * @author Vojta Jina <[email protected]>
  * @author Mathias Paumgarten <[email protected]>
@@ -34,7 +38,8 @@ module.exports = function(grunt) {
       push: true,
       pushTo: 'upstream',
       gitDescribeOptions: '--tags --always --abbrev=1 --dirty=-d',
-      globalReplace: false
+      globalReplace: false,
+      prereleaseName: null
     });
 
     var dryRun = grunt.option('dry-run');
@@ -77,14 +82,12 @@ module.exports = function(grunt) {
 
     var globalVersion; // when bumping multiple files
     var gitVersion;    // when bumping using `git describe`
-    var VERSION_REGEXP = /([\'|\"]?version[\'|\"]?[ ]*:[ ]*[\'|\"]?)([\d||A-a|.|-]*)([\'|\"]?)/i;
-
+    var VERSION_REGEXP = new RegExp('([\\\'|\\\"]?version[\\\'|\\\"]?[ ]*:[ ]*[\\\'|\\\"]?)(\\\d+\\\.\\\d+\\\.\\\d+(-'+opts.prereleaseName+'\\\.\\\d+)?(-\\\d+)?)[\\\d||A-a|.|-]*([\\\'|\\\"]?)', 'i');
 
     if (opts.globalReplace) {
       VERSION_REGEXP = new RegExp(VERSION_REGEXP.source, 'gi');
     }
 
-
     // GET VERSION FROM GIT
     runIf(opts.bumpVersion && versionType === 'git', function() {
       exec('git describe ' + opts.gitDescribeOptions, function(err, stdout) {
@@ -96,14 +99,13 @@ module.exports = function(grunt) {
       });
     });
 
-
     // BUMP ALL FILES
     runIf(opts.bumpVersion, function() {
       grunt.file.expand(opts.files).forEach(function(file, idx) {
         var version = null;
-        var content = grunt.file.read(file).replace(VERSION_REGEXP, function(match, prefix, parsedVersion, suffix) {
-          gitVersion = gitVersion && parsedVersion + '-' + gitVersion;
-          version = exactVersionToSet || gitVersion || semver.inc(parsedVersion, versionType || 'patch');
+        var bumpFrom;
+        var content = grunt.file.read(file).replace(VERSION_REGEXP, function(match, prefix, parsedVersion, namedPre, noNamePre, suffix) {
+           version = exactVersionToSet || gitVersion || semver.inc(parsedVersion, versionType || 'patch', opts.prereleaseName);
           return prefix + version + suffix;
         });