Added "force" option to allow to continue running Grunt in the event of failures

README.md

@@ -112,3 +112,8 @@ Log report to the file.
 Type: `Integer` Default: `false`
 
 Automatically convert tabs to the specified number of spaces when sniffing.
+
+####force
+Type: `Boolean` Default: `false`
+
+Continue running grunt in the event of failures.

tasks/phpcs.js

@@ -12,7 +12,7 @@ module.exports = function(grunt) {
 
     var path = require('path'),
         exec = require('child_process').exec;
-    
+
     var command = {
             flags: {
                 verbose: 'v',
@@ -31,43 +31,47 @@ module.exports = function(grunt) {
         defaults = {
             bin: 'phpcs',
             report: 'full',
-            maxBuffer: 200*1024
+            maxBuffer: 200*1024,
+            force: false
         },
         done = null;
-    
+
     grunt.registerMultiTask('phpcs', 'Run PHP Code Sniffer', function() {
         var done = null,
             parameters = null,
             target = this.target,
             options = this.options(defaults),
             execute = path.normalize(options.bin),
             files = [].concat.apply([], this.files.map(function(mapping) { return mapping.src; })).sort();
-        
+
         // removes duplicate files
-        files = files.filter(function(file, position) { 
+        files = files.filter(function(file, position) {
             return !position || file !== files[position - 1];
         });
-        
+
         // generates parameters
         parameters = Object.keys(options).map(function(option) {
-            return option in command.flags && options[option] === true ? 
-                '-' + command.flags[option] : option in command.options && options[option] !== undefined ? 
+            return option in command.flags && options[option] === true ?
+                '-' + command.flags[option] : option in command.options && options[option] !== undefined ?
                     '--' + command.options[option] + '=' + options[option] : null;
         }).filter(Boolean);
-        
+
         execute += ' ' + parameters.join(' ') + ' "' + files.join('" "') + '"';
-        
+
         grunt.verbose.writeln('Executing: ' + execute);
-        
+
         done = this.async();
-        
+
         exec(execute, {maxBuffer: options.maxBuffer}, function(error, stdout, stderr) {
             /* jshint -W030 */
             typeof options.callback === 'function' && options.callback.call(this, error, stdout, stderr, done);
             stdout && grunt.log.write(stdout);
-            error && grunt.fail.warn(stderr ? stderr : 'Task phpcs:' + target + ' failed.');
-            !error && grunt.log.ok(files.length + ' file' + (files.length === 1 ? '' : 's') + ' lint free.');
-            done(error);
+            if (!options.force && error) {
+                grunt.fail.warn(stderr ? stderr : 'Task phpcs:' + target + ' failed.');
+            } else if (!error) {
+                grunt.log.ok(files.length + ' file' + (files.length === 1 ? '' : 's') + ' lint free.');
+            }
+            done();
         });
     });
-};
+};