update: move Flag classes to package toolkit/pflag

Author: inhere

composer.json

@@ -24,6 +24,7 @@
   "require": {
     "php": ">7.2.0",
     "toolkit/cli-utils": "~1.0",
+    "toolkit/pflag": "~1.0",
     "toolkit/stdlib": "~1.0",
     "toolkit/sys-utils": "~1.0"
   },

src/Concern/NameAliasTrait.php

@@ -36,7 +36,9 @@ public function setAlias(string $name, $alias, bool $validate = false): void
                 $this->aliases[$aliasName] = $name;
             } elseif ($validate) {
                 $oldName = $this->aliases[$aliasName];
-                throw new InvalidArgumentException("Alias '{$aliasName}' has been registered by '{$oldName}', cannot assign to the '{$name}'");
+                throw new InvalidArgumentException(
+                    "Alias '$aliasName' has been registered by '$oldName', cannot assign to the '$name'"
+                );
             }
         }
     }