Fail if plugin installation produces unexpected output

See #5
JDGrimes · Oct 9, 2017 · a19834f · a19834f
1 parent 94c7ef9
commit a19834f
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/WPPPB/Loader.php b/src/WPPPB/Loader.php
@@ -137,7 +137,7 @@ public function add_php_file( $file, $when = 'after', $data = array() ) {
 	 */
 	public function install_plugins() {
 
-		system(
+		$result = system(
 			WP_PHP_BINARY
 			. ' ' . escapeshellarg( dirname( dirname( __FILE__ ) ) . '/bin/install-plugins.php' )
 			. ' ' . escapeshellarg( json_encode( $this->plugins ) )
@@ -150,6 +150,9 @@ public function install_plugins() {
 		if ( 0 !== $exit_code ) {
 			echo( 'Remote plugin installation failed with exit code ' . $exit_code . PHP_EOL );
 			exit( 1 );
+		} elseif ( ! empty( $result ) ) {
+			echo( PHP_EOL . 'Remote plugin installation produced unexpected output.' . PHP_EOL );
+			exit( 1 );
 		}
 
 		// The caching functions may not be loaded yet.