Merge pull request #9461 from ktomk/patch-9454-isatty

Reference co-relating code sequence for tty test, refs #9454

src/Composer/Console/Application.php

@@ -131,6 +131,7 @@ class Application extends BaseApplication
 
         if (
             getenv('COMPOSER_NO_INTERACTION')
+            /* @see \Composer\Util\ProcessExecutor::executeTty - tty test */
             || (function_exists('stream_isatty') && !stream_isatty(STDOUT))
             || (function_exists('posix_isatty') && !posix_isatty(STDOUT))
         ) {

src/Composer/Util/ProcessExecutor.php

@@ -78,6 +78,7 @@ class ProcessExecutor
     public function executeTty($command, $cwd = null)
     {
         if (
+            /* @see \Composer\Console\Application::doRun - tty test */
             (function_exists('stream_isatty') && !stream_isatty(STDOUT))
             || (function_exists('posix_isatty') && !posix_isatty(STDOUT))
         ) {