Checks if given directory is a Git repository

Author: raphaelstolt

src/Commands/TreeCommand.php

@@ -4,6 +4,7 @@
 
 namespace Stolt\LeanPackage\Commands;
 
+use Stolt\LeanPackage\Exceptions\GitHeadNotAvailable;
 use Stolt\LeanPackage\Tree;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputArgument;
@@ -80,14 +81,25 @@ protected function execute(InputInterface $input, OutputInterface $output): int
         $verboseOutput = '+ Showing flat structure of dist package.';
         $output->writeln($verboseOutput, OutputInterface::VERBOSITY_VERBOSE);
 
-        $output->writeln('Package: <info>' . $this->getPackageName() . '</info>');
-        $output->write($this->tree->getTreeForDistPackage());
+        try {
+            $treeToDisplay = $this->tree->getTreeForDistPackage($this->directoryToOperateOn);
+
+            $output->writeln('Package: <info>' . $this->getPackageName() . '</info>');
+            $output->write($treeToDisplay);
+        } catch (GitHeadNotAvailable $e) {
+            $output->writeln('Directory <info>' . $this->directoryToOperateOn . '</info> has no Git Head.');
+            return Command::FAILURE;
+        }
 
         return Command::SUCCESS;
     }
 
     protected function getPackageName(): string
     {
+        if (!\file_exists($this->directoryToOperateOn . DIRECTORY_SEPARATOR . 'composer.json')) {
+            return 'unknown/unknown';
+        }
+
         $composerContentAsJson = \json_decode(
             \file_get_contents($this->directoryToOperateOn . DIRECTORY_SEPARATOR . 'composer.json'),
             true

src/Tree.php

@@ -32,8 +32,10 @@ public function getTreeForSrc(string $directory): string
      * @throws GitHeadNotAvailable
      * @throws GitNotAvailable
      */
-    public function getTreeForDistPackage(): string
+    public function getTreeForDistPackage(string $directory): string
     {
+        \chdir($directory);
+
         $this->archive->createArchive();
         $temporaryDirectory = \sys_get_temp_dir() . '/dist-release';