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diff --git a/node_modules/grunt/lib/grunt/fail.js b/node_modules/grunt/lib/grunt/fail.js
new file mode 100644
index 000000000..631e249ac
--- /dev/null
+++ b/node_modules/grunt/lib/grunt/fail.js
@@ -0,0 +1,75 @@
+'use strict';
+
+var grunt = require('../grunt');
+
+// The module to be exported.
+var fail = module.exports = {};
+
+// Error codes.
+fail.code = {
+  FATAL_ERROR: 1,
+  MISSING_GRUNTFILE: 2,
+  TASK_FAILURE: 3,
+  TEMPLATE_ERROR: 4,
+  INVALID_AUTOCOMPLETE: 5,
+  WARNING: 6,
+};
+
+// DRY it up!
+function writeln(e, mode) {
+  grunt.log.muted = false;
+  var msg = String(e.message || e);
+  if (!grunt.option('no-color')) { msg += '\x07'; } // Beep!
+  if (mode === 'warn') {
+    msg = 'Warning: ' + msg + ' ';
+    msg += (grunt.option('force') ? 'Used --force, continuing.'.underline : 'Use --force to continue.');
+    msg = msg.yellow;
+  } else {
+    msg = ('Fatal error: ' + msg).red;
+  }
+  grunt.log.writeln(msg);
+}
+
+// If --stack is enabled, log the appropriate error stack (if it exists).
+function dumpStack(e) {
+  if (grunt.option('stack')) {
+    if (e.origError && e.origError.stack) {
+      console.log(e.origError.stack);
+    } else if (e.stack) {
+      console.log(e.stack);
+    }
+  }
+}
+
+// A fatal error occurred. Abort immediately.
+fail.fatal = function(e, errcode) {
+  writeln(e, 'fatal');
+  dumpStack(e);
+  grunt.util.exit(typeof errcode === 'number' ? errcode : fail.code.FATAL_ERROR);
+};
+
+// Keep track of error and warning counts.
+fail.errorcount = 0;
+fail.warncount = 0;
+
+// A warning occurred. Abort immediately unless -f or --force was used.
+fail.warn = function(e, errcode) {
+  var message = typeof e === 'string' ? e : e.message;
+  fail.warncount++;
+  writeln(message, 'warn');
+  // If -f or --force aren't used, stop script processing.
+  if (!grunt.option('force')) {
+    dumpStack(e);
+    grunt.log.writeln().fail('Aborted due to warnings.');
+    grunt.util.exit(typeof errcode === 'number' ? errcode : fail.code.WARNING);
+  }
+};
+
+// This gets called at the very end.
+fail.report = function() {
+  if (fail.warncount > 0) {
+    grunt.log.writeln().fail('Done, but with warnings.');
+  } else {
+    grunt.log.writeln().success('Done.');
+  }
+};