Update deps, switch to actions (#141)

* Update deps, switch to actions

* Fix actions dir

* Use npm i for actions

.github/workflows/test.yml

@@ -0,0 +1,39 @@
+name: Tests
+
+on: [push, pull_request]
+
+env:
+  FORCE_COLOR: 2
+
+jobs:
+  run:
+    name: Node ${{ matrix.node }} on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        node: [10, 12, 14]
+        os: [ubuntu-latest, windows-latest]
+
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node }}
+
+      - name: Install npm dependencies
+        run: npm i
+
+      - name: Run tests
+        run: npm test
+
+      # We test multiple Windows shells because of prior stdout buffering issues
+      # filed against Grunt. https://github.com/joyent/node/issues/3584
+      - name: Run PowerShell tests
+        run: "npm test # PowerShell" # Pass comment to PS for easier debugging
+        shell: powershell
+        if: startsWith(matrix.os, 'windows')

bin/grunt

@@ -4,7 +4,7 @@
 
 process.title = 'grunt';
 
-var Liftoff = require('liftoff');
+var Liftup = require('liftup');
 var v8flags = require('v8flags');
 var extensions = require('interpret').jsVariants;
 var nopt = require('nopt');
@@ -35,35 +35,37 @@ if ('completion' in options) {
 }
 
 v8flags(function (err, v8flags) {
-  var Grunt = new Liftoff({
+  var Grunt = new Liftup({
     name: 'grunt',
     configName: 'Gruntfile',
     // Support a number of languages based on file extension
     extensions: extensions,
     // Flags that are v8 flags will be loaded into node instead of Gruntfile
     v8flags: v8flags
   });
-  Grunt.launch({
+  Grunt.prepare({
     cwd: options.base,
     configPath: options.gruntfile,
     require: options.require,
     verbose: options.verbose
   }, function (env) {
-    var tasks = options.argv.remain;
-    delete options.argv;
-    // No grunt install found!
-    if (!env.modulePath) {
-      if (options.version) {
-        process.exit();
+    Grunt.execute(env, function(env) {
+      var tasks = options.argv.remain;
+      delete options.argv;
+      // No grunt install found!
+      if (!env.modulePath) {
+        if (options.version) {
+          process.exit();
+        }
+        if (options.help) {
+          info.help();
+        }
+        info.fatal('Unable to find local grunt.', 99);
+      } else {
+        options.gruntfile = env.configPath;
+        var grunt = require(env.modulePath);
+        grunt.tasks(tasks, options);
       }
-      if (options.help) {
-        info.help();
-      }
-      info.fatal('Unable to find local grunt.', 99);
-    } else {
-      options.gruntfile = env.configPath;
-      var grunt = require(env.modulePath);
-      grunt.tasks(tasks, options);
-    }
+    });
   });
 });

package.json

@@ -17,13 +17,13 @@
   "dependencies": {
     "grunt-known-options": "~1.1.1",
     "interpret": "~1.1.0",
-    "liftoff": "~2.5.0",
+    "liftup": "~3.0.1",
     "nopt": "~4.0.1",
     "v8flags": "~3.2.0"
   },
   "devDependencies": {
     "grunt": "~1.3.0",
-    "grunt-contrib-jshint": "~2.1.0"
+    "grunt-contrib-jshint": "~3.0.0"
   },
   "files": [
     "bin",