From fcb6a7493920d344319edd5580793fcaa05f4db6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Gaul?= <andre@gaul.io>
Date: Thu, 23 Jul 2015 23:20:13 +0200
Subject: [PATCH] introduce --first option

With --first, all processes are terminated after the first process
terminated (regardless of the exit code). The exit code is the exit code
of the process that terminated first.
---
 index.js | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/index.js b/index.js
index a964a9c..07751fb 100755
--- a/index.js
+++ b/index.js
@@ -3,7 +3,7 @@
 'use strict';
 var spawn = require('child_process').spawn;
 
-var sh, shFlag, children, args, wait, cmds, verbose, i ,len;
+var sh, shFlag, children, args, wait, first, cmds, verbose, i ,len;
 // parsing argv
 cmds = [];
 args = process.argv.slice(2);
@@ -14,6 +14,10 @@ for (i = 0, len = args.length; i < len; i++) {
             case '--wait':
                 wait = true;
                 break;
+            case '-f':
+            case '--first':
+                first = true;
+                break;
             case '-v':
             case '--verbose':
                 verbose = true;
@@ -21,8 +25,9 @@ for (i = 0, len = args.length; i < len; i++) {
             case '-h':
             case '--help':
                 console.log('-h, --help         output usage information');
-                console.log('-v, --verbose      verbose logging')
-                console.log('-w, --wait         will not close sibling processes on error')
+                console.log('-v, --verbose      verbose logging');
+                console.log('-w, --wait         will not close sibling processes on error');
+                console.log('-f, --first        close all sibling processes after first exits (succes/error)');
                 process.exit();
                 break;
         }
@@ -31,6 +36,11 @@ for (i = 0, len = args.length; i < len; i++) {
     }
 }
 
+if (wait && first) {
+  console.error('--wait and --first cannot be used together');
+  process.exit(1);
+}
+
 // called on close of a child process
 function childClose (code) {
     var i, len;
@@ -42,7 +52,7 @@ function childClose (code) {
             console.log('`' + this.cmd + '` ended successfully');
         }
     }
-    if (code > 0 && !wait) close(code);
+    if (first || code > 0 && !wait) close(code);
     status();
 }