Update: Add ^4.0.0 support which is a mirror of alpha.2 logic

Author: phated

lib/versioned/^4.0.0-alpha.1/index.js

@@ -10,9 +10,9 @@ var tildify = require('tildify');
 var exit = require('../../shared/exit');
 
 var logTasks = require('../../shared/log/tasks');
-var logEvents = require('../^4.0.0-alpha.2/log/events');
-var logSyncTask = require('../^4.0.0-alpha.2/log/syncTask');
-var logTasksSimple = require('../^4.0.0-alpha.2/log/tasksSimple');
+var logEvents = require('../^4.0.0/log/events');
+var logSyncTask = require('../^4.0.0/log/syncTask');
+var logTasksSimple = require('../^4.0.0/log/tasksSimple');
 
 function execute(opts, env) {
 

lib/versioned/^4.0.0-alpha.2/index.js

@@ -10,9 +10,9 @@ var tildify = require('tildify');
 var exit = require('../../shared/exit');
 
 var logTasks = require('../../shared/log/tasks');
-var logEvents = require('./log/events');
-var logSyncTask = require('./log/syncTask');
-var logTasksSimple = require('./log/tasksSimple');
+var logEvents = require('../^4.0.0/log/events');
+var logSyncTask = require('../^4.0.0/log/syncTask');
+var logTasksSimple = require('../^4.0.0/log/tasksSimple');
 
 function execute(opts, env) {
 

lib/versioned/^4.0.0-alpha.2/formatError.js renamed to lib/versioned/^4.0.0/formatError.js

@@ -0,0 +1,79 @@
+'use strict';
+
+var fs = require('fs');
+
+var log = require('gulplog');
+var chalk = require('chalk');
+var stdout = require('mute-stdout');
+var tildify = require('tildify');
+
+var exit = require('../../shared/exit');
+
+var logTasks = require('../../shared/log/tasks');
+var logEvents = require('./log/events');
+var logSyncTask = require('./log/syncTask');
+var logTasksSimple = require('./log/tasksSimple');
+
+function execute(opts, env) {
+
+  var tasks = opts._;
+  var toRun = tasks.length ? tasks : ['default'];
+
+  if (opts.tasksSimple || opts.tasks || opts.tasksJson) {
+    // Mute stdout if we are listing tasks
+    stdout.mute();
+  }
+
+  var gulpInst = require(env.modulePath);
+  logEvents(gulpInst);
+  logSyncTask(gulpInst);
+
+  // This is what actually loads up the gulpfile
+  require(env.configPath);
+
+  // Always unmute stdout after gulpfile is required
+  stdout.unmute();
+
+  process.nextTick(function() {
+    var tree;
+
+    if (opts.tasksSimple) {
+      tree = gulpInst.tree();
+      return logTasksSimple(tree.nodes);
+    }
+    if (opts.tasks) {
+      tree = gulpInst.tree({ deep: true });
+      tree.label = 'Tasks for ' + chalk.magenta(tildify(env.configPath));
+
+      return logTasks(tree, function(task) {
+        return gulpInst.task(task).description;
+      });
+    }
+    if (opts.tasksJson) {
+      tree = gulpInst.tree({ deep: true });
+      tree.label = 'Tasks for ' + tildify(env.configPath);
+
+      var output = JSON.stringify(tree);
+
+      if (typeof opts.tasksJson === 'boolean' && opts.tasksJson) {
+        return console.log(output);
+      } else {
+        return fs.writeFileSync(opts.tasksJson, output, 'utf-8');
+      }
+    }
+    try {
+      log.info('Using gulpfile', chalk.magenta(tildify(env.configPath)));
+      gulpInst.parallel(toRun)(function(err) {
+        if (err) {
+          exit(1);
+        }
+      });
+    } catch (err) {
+      log.error(chalk.red(err.message));
+      log.error('To list available tasks, try running: gulp --tasks');
+      exit(1);
+    }
+  });
+}
+
+module.exports = execute;