Fix checking for "flex-require-dev" in composer.json

Author: nicolas-grekas

src/Flex.php

@@ -356,7 +356,7 @@ public function update(Event $event, $operations = [])
         $contents = file_get_contents($file);
         $json = JsonFile::parseJson($contents);
 
-        if (!isset($json['flex-require']) && !isset($json['flex-require'])) {
+        if (!isset($json['flex-require']) && !isset($json['flex-require-dev'])) {
             $this->unpack($event);
 
             return;

src/Options.php

@@ -68,7 +68,7 @@ public function shouldWriteFile(string $file, bool $overwrite): bool
         exec('git status --short --ignored --untracked-files=all -- '.ProcessExecutor::escape($file).' 2>&1', $output, $status);
 
         if (0 !== $status) {
-            return (bool) $this->io && $this->io->askConfirmation(sprintf('Cannot determine the state of the "%s" file, overwrite anyway? [y/N] ', $file), false);
+            return $this->io && $this->io->askConfirmation(sprintf('Cannot determine the state of the "%s" file, overwrite anyway? [y/N] ', $file), false);
         }
 
         if (empty($output[0]) || preg_match('/^[ AMDRCU][ D][ \t]/', $output[0])) {
@@ -78,7 +78,7 @@ public function shouldWriteFile(string $file, bool $overwrite): bool
         $name = basename($file);
         $name = \strlen($output[0]) - \strlen($name) === strrpos($output[0], $name) ? substr($output[0], 3) : $name;
 
-        return (bool) $this->io && $this->io->askConfirmation(sprintf('File "%s" has uncommitted changes, overwrite? [y/N] ', $name), false);
+        return $this->io && $this->io->askConfirmation(sprintf('File "%s" has uncommitted changes, overwrite? [y/N] ', $name), false);
     }
 
     public function toArray(): array