Forcing a hard clear-cache for self upgrade only and soft clear-cache for install/update of themes/plugins

system/src/Grav/Console/ConsoleTrait.php

@@ -64,10 +64,14 @@ trait ConsoleTrait
         }
     }
 
-    public function clearCache()
+    public function clearCache($all = [])
     {
+        if ($all) {
+            $all = ['--all' => true];
+        }
+
         $command = new ClearCacheCommand();
-        $input = new ArrayInput(array('--all' => true));
+        $input = new ArrayInput($all);
         return $command->run($input, $this->output);
     }
 }

system/src/Grav/Console/Gpm/InstallCommand.php

@@ -114,6 +114,9 @@ class InstallCommand extends Command
                 }
             }
         }
+
+        // clear cache after successful upgrade
+        $this->clearCache();
     }
 
     private function downloadPackage($package)

system/src/Grav/Console/Gpm/SelfupgradeCommand.php

@@ -7,7 +7,6 @@ use Grav\Common\GPM\Installer;
 use Grav\Common\GPM\Response;
 use Grav\Console\ConsoleTrait;
 use Symfony\Component\Console\Command\Command;
-use Symfony\Component\Console\Input\ArrayInput;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
@@ -117,7 +116,7 @@ class SelfupgradeCommand extends Command
         }
 
         // clear cache after successful upgrade
-        $this->clearCache();
+        $this->clearCache(true);
     }
 
     private function download($package)

system/src/Grav/Console/Gpm/UpdateCommand.php

@@ -128,6 +128,9 @@ class UpdateCommand extends Command
             $this->output->writeln("<red>Error:</red> An error occured while trying to install the extensions");
             exit;
         }
+
+        // clear cache after successful upgrade
+        $this->clearCache();
     }
 
     private function userInputPackages($onlyPackages)