Bar graph added.

node_modules/tar/lib/warn-mixin.js

@@ -0,0 +1,14 @@
+'use strict'
+module.exports = Base => class extends Base {
+  warn (msg, data) {
+    if (!this.strict)
+      this.emit('warn', msg, data)
+    else if (data instanceof Error)
+      this.emit('error', data)
+    else {
+      const er = new Error(msg)
+      er.data = data
+      this.emit('error', er)
+    }
+  }
+}