Adds new stdin-input option

Author: raphaelstolt

src/Commands/ValidateCommand.php

@@ -105,7 +105,9 @@ protected function configure(): void
         $sortDescription = 'Sort from directories to files';
 
         $alignExportIgnoresDescription = 'Align export-ignores on create or overwrite';
+        $stdinInputDescription = "Read .gitattributes content from standard input";
 
+        $this->addOption('stdin-input', null, InputOption::VALUE_NONE, $stdinInputDescription);
         $this->addOption('create', 'c', InputOption::VALUE_NONE, $createDescription);
         $this->addOption(
             'enforce-strict-order',
@@ -220,6 +222,25 @@ protected function execute(InputInterface $input, OutputInterface $output): int
             }
         }
 
+        $stdinInput = $input->getOption('stdin-input');
+
+        if ($stdinInput !== null) {
+            $stdinContents = \file_get_contents('php://stdin');
+
+            if (!strpos($stdinContents, 'export-ignore')) {
+                $warning = "Warning: The provided input stream seems to be no .gitattributes content.";
+                $outputContent = '<error>' . $warning . '</error>';
+                $output->writeln($outputContent);
+
+                return Command::FAILURE;
+            }
+
+
+
+
+            return Command::SUCCESS;
+        }
+
         $verboseOutput = '+ Scanning directory ' . $directory . '.';
         $output->writeln($verboseOutput, OutputInterface::VERBOSITY_VERBOSE);
 
@@ -301,8 +322,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
                 return Command::FAILURE;
             }
         }
-
-
+        
         $alignExportIgnores = $input->getOption('align-export-ignores');
 
         if ($alignExportIgnores) {