- When retrieving a ZIP from a private repository, use authentication…

…, if provided

- Fix the GitLab failover behavior (used to bail-out on private GitLab repositories without trying to use a token if one was provided)

src/Package_Command.php

@@ -243,7 +243,9 @@ public function install( $args, $assoc_args ) {
 					'filename' => $temp,
 					'insecure' => $insecure,
 				];
-				$response = Utils\http_request( 'GET', $package_name, null, [], $options );
+				$gitlab_token = getenv( 'GITLAB_TOKEN' ); // Use GITLAB_TOKEN if available to avoid authorization failures or rate-limiting.
+				$headers      = $gitlab_token && strpos( $package_name, '://gitlab.com/' ) !== false ? [ 'PRIVATE-TOKEN' => $gitlab_token ] : [];
+				$response = Utils\http_request( 'GET', $package_name, null, $headers, $options );
 				if ( 20 !== (int) substr( $response->status_code, 0, 2 ) ) {
 					@unlink( $temp ); // @codingStandardsIgnoreLine
 					WP_CLI::error( sprintf( "Couldn't download package from '%s' (HTTP code %d).", $package_name, $response->status_code ) );
@@ -1175,15 +1177,15 @@ private function check_gitlab_package_name( $package_name, $version = '', $insec
 
 		$options = [ 'insecure' => $insecure ];
 
+		$gitlab_token = getenv( 'GITLAB_TOKEN' ); // Use GITLAB_TOKEN if available to avoid authorization failures or rate-limiting.
 		$response = Utils\http_request( 'GET', $raw_content_public_url, null /*data*/, [], $options );
-		if ( $response->status_code < 200 || $response->status_code >= 300 ) {
+		if ( !$gitlab_token && ( $response->status_code < 200 || $response->status_code >= 300 ) ) {
 			// Could not get composer.json. Possibly private so warn and return best guess from input (always xxx/xxx).
 			WP_CLI::warning( sprintf( "Couldn't download composer.json file from '%s' (HTTP code %d). Presuming package name is '%s'.", $raw_content_public_url, $response->status_code, $package_name ) );
 			return $package_name;
 		}
 
 		if ( strpos( $response->headers['content-type'], 'text/html' ) === 0 ) {
-			$gitlab_token = getenv( 'GITLAB_TOKEN' ); // Use GITLAB_TOKEN if available to avoid authorization failures or rate-limiting.
 			$headers      = $gitlab_token ? [ 'PRIVATE-TOKEN' => $gitlab_token ] : [];
 			$response     = Utils\http_request( 'GET', $raw_content_private_url, null /*data*/, $headers, $options );