New: Track errors logged & only print them once

Author: phated

lib/versioned/^4.0.0/log/events.js

@@ -8,6 +8,8 @@ var formatError = require('../formatError');
 // Wire up logging events
 function logEvents(gulpInst) {
 
+  var loggedErrors = [];
+
   gulpInst.on('start', function(e) {
     // TODO: batch these
     // so when 5 tasks start at once it only logs one time with all 5
@@ -30,7 +32,12 @@ function logEvents(gulpInst) {
       chalk.red('errored after'),
       chalk.magenta(time)
     );
-    log.error(msg);
+
+    // If we haven't logged this before, log it and add to list
+    if (loggedErrors.indexOf(e.error) === -1) {
+      log.error(msg);
+      loggedErrors.push(e.error);
+    }
   });
 }