From 2349363917963ed55dcdaa91e0a0b93879e27962 Mon Sep 17 00:00:00 2001
From: igorklopov <igor@klopov.com>
Date: Tue, 16 Aug 2016 17:15:34 +0300
Subject: [PATCH] reimplemented promised spawn

---
 lib/build.js |  2 +-
 lib/spawn.js | 15 ++++++++++++---
 package.json |  1 -
 3 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/lib/build.js b/lib/build.js
index f447c33..18a4d78 100644
--- a/lib/build.js
+++ b/lib/build.js
@@ -16,7 +16,7 @@ const nodeRepo = 'https://github.com/nodejs/node';
 async function gitClone () {
   const args = [ 'clone', '--progress', nodeRepo, 'node' ];
   const promise = spawn('git', args, { cwd: buildPath });
-  const child = promise.childProcess;
+  const { child } = promise;
 
   const gauge = log.newItem('', 100);
   gauge.enableProgress();
diff --git a/lib/spawn.js b/lib/spawn.js
index eb9e7c7..9f86556 100644
--- a/lib/spawn.js
+++ b/lib/spawn.js
@@ -1,5 +1,14 @@
-import chipo from 'child-process-promise';
+import chipo from 'child_process';
 
-export function spawn (...args) {
-  return chipo.spawn(...args);
+export function spawn (cmd, args, opts) {
+  const child = chipo.spawn(cmd, args, opts);
+  const promise = new Promise((resolve, reject) => {
+    child.on('error', reject);
+    child.on('close', function (code) {
+      if (code) return reject(new Error(`${cmd} failed with code ${code}`));
+      resolve();
+    });
+  });
+  promise.child = child;
+  return promise;
 }
diff --git a/package.json b/package.json
index 3b837d4..b134922 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,6 @@
     ]
   },
   "dependencies": {
-    "child-process-promise": "2.0.3",
     "expand-template": "1.0.2",
     "fs-promise": "0.5.0",
     "minimist": "1.2.0",