Disable automatic audit at the end of install step to keep things fast, switch --no-audit to an opt-in --audit flag

doc/03-cli.md

@@ -109,7 +109,7 @@ resolution.
 * **--no-autoloader:** Skips autoloader generation.
 * **--no-progress:** Removes the progress display that can mess with some
   terminals or scripts which don't handle backspace characters.
-* **--no-audit:** Does not run the audit step after installation is complete.
+* **--audit:** Run an audit after installation is complete.
 * **--audit-format:** Audit output format. Must be "table", "plain", or "summary" (default).
 * **--optimize-autoloader (-o):** Convert PSR-0/4 autoloading to classmap to get a faster
   autoloader. This is recommended especially for production, but can take

src/Composer/Command/InstallCommand.php

@@ -52,7 +52,7 @@ class InstallCommand extends BaseCommand
                 new InputOption('no-autoloader', null, InputOption::VALUE_NONE, 'Skips autoloader generation'),
                 new InputOption('no-progress', null, InputOption::VALUE_NONE, 'Do not output download progress.'),
                 new InputOption('no-install', null, InputOption::VALUE_NONE, 'Do not use, only defined here to catch misuse of the install command.'),
-                new InputOption('no-audit', null, InputOption::VALUE_NONE, 'Skip the audit step after installation is complete.'),
+                new InputOption('audit', null, InputOption::VALUE_NONE, 'Run an audit after installation is complete.'),
                 new InputOption('audit-format', null, InputOption::VALUE_REQUIRED, 'Audit output format. Must be "table", "plain", or "summary".', Auditor::FORMAT_SUMMARY, Auditor::FORMATS),
                 new InputOption('verbose', 'v|vv|vvv', InputOption::VALUE_NONE, 'Shows more details including new commits pulled in when updating packages.'),
                 new InputOption('optimize-autoloader', 'o', InputOption::VALUE_NONE, 'Optimize autoloader during autoloader dump'),
@@ -133,7 +133,7 @@ EOT
             ->setClassMapAuthoritative($authoritative)
             ->setApcuAutoloader($apcu, $apcuPrefix)
             ->setPlatformRequirementFilter($this->getPlatformRequirementFilter($input))
-            ->setAudit(!$input->getOption('no-audit'))
+            ->setAudit($input->getOption('audit'))
             ->setAuditFormat($this->getAuditFormat($input))
         ;