sub-process fixes

Author: swissspidy

src/Context/FeatureContext.php

@@ -1242,8 +1242,6 @@ public function proc( $command, $assoc_args = [], $path = '' ): Process {
 		}
 
 		wp_cli_behat_env_debug( "Running command: {$command}" );
-		wp_cli_behat_env_debug( "In directory: {$cwd}" );
-		wp_cli_behat_env_debug( "With PATH: {$env['PATH']}" );
 
 		return Process::create( $command, $cwd, $env );
 	}

src/Context/Process.php

@@ -84,10 +84,6 @@ public function run() {
 			];
 			$proc  = \WP_CLI\Utils\proc_open_compat( $this->command, $descriptors, $pipes, $this->cwd, $this->env );
 			fclose( $pipes[0] );
-			$stdout = file_get_contents( $stdout_file );
-			$stderr = file_get_contents( $stderr_file );
-			unlink( $stdout_file );
-			unlink( $stderr_file );
 		} else {
 			$proc   = \WP_CLI\Utils\proc_open_compat( $this->command, self::$descriptors, $pipes, $this->cwd, $this->env );
 			$stdout = stream_get_contents( $pipes[1] );
@@ -98,6 +94,13 @@ public function run() {
 
 		$return_code = proc_close( $proc );
 
+		if ( \WP_CLI\Utils\is_windows() ) {
+			$stdout = file_get_contents( $stdout_file );
+			$stderr = file_get_contents( $stderr_file );
+			unlink( $stdout_file );
+			unlink( $stderr_file );
+		}
+
 		$run_time = microtime( true ) - $start_time;
 
 		if ( self::$log_run_times ) {