Fix deployer/phar-update deps

Author: antonmedv

CHANGELOG.md

@@ -1,9 +1,16 @@
 # Changelog
 
 ## master
-[v4.2.0...master](https://github.com/deployphp/deployer/compare/v4.2.0...master)
+[v4.2.1...master](https://github.com/deployphp/deployer/compare/v4.2.1...master)
+
+-
+
+## v4.2.1
+[v4.2.0...v4.2.1](https://github.com/deployphp/deployer/compare/v4.2.0...v4.2.1)
+
+### Fixed
+- Fixed `deployer/phar-update` dependency for composer installation.
 
-...
 
 ## v4.2.0
 [v4.1.0...v4.2.0](https://github.com/deployphp/deployer/compare/v4.1.0...v4.2.0)

src/Console/Application.php

@@ -42,9 +42,11 @@ protected function getDefaultInputDefinition()
     protected function getDefaultCommands()
     {
         $commands = parent::getDefaultCommands();
-        if ('phar:' === substr(__FILE__, 0, 5)) {
+
+        if ($this->isPharArchive()) {
             $commands[] = $this->selfUpdateCommand();
         }
+
         return $commands;
     }
 
@@ -65,7 +67,10 @@ private function selfUpdateCommand()
     protected function getDefaultHelperSet()
     {
         $helperSet = parent::getDefaultHelperSet();
-        $helperSet->set(new PharUpdateHelper());
+
+        if ($this->isPharArchive()) {
+            $helperSet->set(new PharUpdateHelper());
+        }
         return $helperSet;
     }
 
@@ -89,4 +94,9 @@ public function addUserArgumentsAndOptions()
         $this->getDefinition()->addArguments($this->getUserDefinition()->getArguments());
         $this->getDefinition()->addOptions($this->getUserDefinition()->getOptions());
     }
+
+    public function isPharArchive()
+    {
+        return 'phar:' === substr(__FILE__, 0, 5);
+    }
 }