diff --git a/doc/03-cli.md b/doc/03-cli.md
index dbf71bb1a..65c466d25 100644
--- a/doc/03-cli.md
+++ b/doc/03-cli.md
@@ -234,17 +234,21 @@ directory.
 This is merely a helper to manage a project stored in a central location that
 can hold CLI tools or Composer plugins that you want to have available everywhere.
 
-This can be used to install CLI utilities globally and if you add
-`$COMPOSER_HOME/vendor/bin` to your `$PATH` environment variable. Here is an
-example:
+This can be used to install CLI utilities globally. Here is an example:
 
 ```sh
-php composer.phar global require fabpot/php-cs-fixer:dev-master
+php composer.phar global require fabpot/php-cs-fixer
 ```
 
-Now the `php-cs-fixer` binary is available globally (assuming you adjusted
-your PATH). If you wish to update the binary later on you can just run a
-global update:
+Now the `php-cs-fixer` binary is available globally. Just make sure your global
+[vendor binaries](articles/vendor-binaries.md) directory is in your `$PATH`
+environment variable, you can get its location with the following command :
+
+```sh
+php composer.phar global config bin-dir --absolute
+```
+
+If you wish to update the binary later on you can just run a global update:
 
 ```sh
 php composer.phar global update
diff --git a/src/Composer/Console/Application.php b/src/Composer/Console/Application.php
index 106464bcb..3344d0c0f 100644
--- a/src/Composer/Console/Application.php
+++ b/src/Composer/Console/Application.php
@@ -146,7 +146,7 @@ class Application extends BaseApplication
                     if ($commandName !== 'self-update' && $commandName !== 'selfupdate') {
                         $io->writeError('<warning>Running composer as root/super user is highly discouraged as packages, plugins and scripts cannot always be trusted</warning>');
                     }
-                    if ($uid = getenv('SUDO_UID')) {
+                    if ($uid = (int) getenv('SUDO_UID')) {
                         // Silently clobber any sudo credentials on the invoking user to avoid privilege escalations later on
                         // ref. https://github.com/composer/composer/issues/5119
                         Silencer::call('exec', "sudo -u \\#{$uid} sudo -K > /dev/null 2>&1");
diff --git a/src/Composer/Repository/Vcs/GitLabDriver.php b/src/Composer/Repository/Vcs/GitLabDriver.php
index 8642c2d42..7e743b8a5 100644
--- a/src/Composer/Repository/Vcs/GitLabDriver.php
+++ b/src/Composer/Repository/Vcs/GitLabDriver.php
@@ -326,7 +326,7 @@ class GitLabDriver extends VcsDriver
                         return $this->attemptCloneFallback();
                     }
                     $this->io->writeError('<warning>Failed to download ' . $this->owner . '/' . $this->repository . ':' . $e->getMessage() . '</warning>');
-                    $gitLabUtil->authorizeOAuthInteractively($this->originUrl, 'Your credentials are required to fetch private repository metadata (<info>'.$this->url.'</info>)');
+                    $gitLabUtil->authorizeOAuthInteractively($this->scheme, $this->originUrl, 'Your credentials are required to fetch private repository metadata (<info>'.$this->url.'</info>)');
 
                     return parent::getContents($url);