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diff --git a/node_modules/grunt/lib/grunt/cli.js b/node_modules/grunt/lib/grunt/cli.js
new file mode 100644
index 000000000..1252f54a9
--- /dev/null
+++ b/node_modules/grunt/lib/grunt/cli.js
@@ -0,0 +1,55 @@
+'use strict';
+
+var grunt = require('../grunt');
+
+// External libs.
+var nopt = require('nopt');
+var gruntOptions = require('grunt-known-options');
+
+// This is only executed when run via command line.
+var cli = module.exports = function(options, done) {
+  // CLI-parsed options override any passed-in "default" options.
+  if (options) {
+    // For each default option...
+    Object.keys(options).forEach(function(key) {
+      if (!(key in cli.options)) {
+        // If this option doesn't exist in the parsed cli.options, add it in.
+        cli.options[key] = options[key];
+      } else if (cli.optlist[key].type === Array) {
+        // If this option's type is Array, append it to any existing array
+        // (or create a new array).
+        [].push.apply(cli.options[key], options[key]);
+      }
+    });
+  }
+
+  // Run tasks.
+  grunt.tasks(cli.tasks, cli.options, done);
+};
+
+// Default options.
+var optlist = cli.optlist = gruntOptions;
+
+// Parse `optlist` into a form that nopt can handle.
+var aliases = {};
+var known = {};
+
+Object.keys(optlist).forEach(function(key) {
+  var short = optlist[key].short;
+  if (short) {
+    aliases[short] = '--' + key;
+  }
+  known[key] = optlist[key].type;
+});
+
+var parsed = nopt(known, aliases, process.argv, 2);
+cli.tasks = parsed.argv.remain;
+cli.options = parsed;
+delete parsed.argv;
+
+// Initialize any Array options that weren't initialized.
+Object.keys(optlist).forEach(function(key) {
+  if (optlist[key].type === Array && !(key in cli.options)) {
+    cli.options[key] = [];
+  }
+});