Rename COMPOSER_DISABLE_ROOT_WARN to COMPOSER_ALLOW_SUPERUSER, refs #5119

doc/03-cli.md

@@ -794,10 +794,10 @@ If set to 1, this env var will make Composer behave as if you passed the
 
 If set to 1, this env disables the warning about having xdebug enabled.
 
-### COMPOSER_DISABLE_ROOT_WARN
+### COMPOSER_ALLOW_SUPERUSER
 
-If set to 1, this env disables the warning about running commands as root. It also
-disables automatic clearing of sudo sessions, so you should really only set this
-if you use Composer as root at all times like in docker containers.
+If set to 1, this env disables the warning about running commands as root/super user.
+It also disables automatic clearing of sudo sessions, so you should really only set this
+if you use Composer as super user at all times like in docker containers.
 
 ← [Libraries](02-libraries.md)  |  [Schema](04-schema.md) →

src/Composer/Console/Application.php

@@ -133,10 +133,10 @@ class Application extends BaseApplication
                 $input->setInteractive(false);
             }
 
-            if (!Platform::isWindows() && function_exists('exec') && !getenv('COMPOSER_DISABLE_ROOT_WARN')) {
+            if (!Platform::isWindows() && function_exists('exec') && !getenv('COMPOSER_ALLOW_SUPERUSER')) {
                 if (function_exists('posix_getuid') && posix_getuid() === 0) {
                     if ($commandName !== 'self-update' && $commandName !== 'selfupdate') {
-                        $io->writeError('<warning>Running composer as root is highly discouraged as packages, plugins and scripts cannot always be trusted</warning>');
+                        $io->writeError('<warning>Running composer as root/super user is highly discouraged as packages, plugins and scripts cannot always be trusted</warning>');
                     }
                     if ($uid = getenv('SUDO_UID')) {
                         // Silently clobber any sudo credentials on the invoking user to avoid privilege escalations later on