Fix directory path resolution

Author: kylekatarnls

src/Phug/Split/Command/Analyze.php

@@ -16,7 +16,7 @@ class Analyze extends CommandBase
      *
      * Root project directory.
      *
-     * @var truthy-string|false
+     * @var string
      */
     public $directory = '.';
 
@@ -51,12 +51,15 @@ public function run(SimpleCli $cli): bool
 
     protected function calculatePackagesTree(Split $cli): bool
     {
-        $this->directory = realpath($this->directory);
+        /** @psalm-var truthy-string|false $directory */
+        $directory = realpath($this->directory);
 
-        if (!$this->directory) {
+        if (!$directory) {
             return $cli->error('Input directory not found.');
         }
 
+        $this->directory = $directory;
+
         $cli->chdir($this->directory);
 
         if (!file_exists($this->composerFile)) {

src/Phug/Split/Command/CommandBase.php

@@ -53,7 +53,7 @@ protected function gitEscape(string $value): string
      *
      * @return string
      *
-     * @psalm-suppress UndefinedThisPropertyFetch
+     * @psalm-suppress UndefinedThisPropertyFetch RiskyTruthyFalsyComparison
      */
     protected function getGitCommand(string $command, array $options = [], string $redirect = null): string
     {