Refactor: Phar stub entrypoint initialization

- Inclusion of the entrypoint script contents is now handled by the compile command

src/Command/Compile.php

@@ -72,6 +72,8 @@ protected function initBuilder(string $main): self
     {
         $this->info('Initializing Phar builder...');
         $this->builder = PharBuilder::create($main);
+        $this->info('Adding stub entrypoint script contents...');
+        $this->addFile($main);
 
         return $this;
     }

src/Phar.php

@@ -37,4 +37,16 @@ public function addFileContents(string $filename, string $localName = null, bool
         $contents = $minify ? php_strip_whitespace($filename) : file_get_contents($filename);
         $this[$key] = $contents;
     }
+
+    /**
+     * Check whether the given file exists in archive
+     *
+     * @param string $file
+     *
+     * @return bool
+     */
+    public function has(string $file): bool
+    {
+        return $this->offsetExists($file);
+    }
 }

src/PharBuilder.php

@@ -15,6 +15,8 @@
 
 namespace Yannoff\PhpCodeCompiler;
 
+use LogicException;
+
 /**
  * Phar archive builder class
  */
@@ -91,8 +93,6 @@ public function init(): self
         $this->archive = new Phar($this->pharname);
         $this->archive->startBuffering();
 
-        $this->archive->addFileContents($this->main);
-
         return $this;
     }
 
@@ -118,6 +118,11 @@ public function setBanner(string $banner): self
      */
     public function compile(string $output, string $compression = 'GZ')
     {
+        // Check that entrypoint script contents has been added to the archive before proceeding
+        if (!$this->archive->has($this->main)) {
+            throw new LogicException("Main script {$this->main} contents must be added to the archive");
+        }
+
         $c = constant('Phar::' . $compression);
         $this->archive->compressFiles($c);