Get globalconfig from env

Author: gucong3000

lib/install.js

@@ -1,6 +1,5 @@
 'use strict';
 const npmrc = require('./npmrc');
-const exec = require('mz/child_process').exec;
 
 var argv;
 try {
@@ -9,19 +8,12 @@ try {
 	argv = process.argv;
 }
 
-// 查找npmrc文件路径
-exec('npm config get globalconfig').then(result => {
-	var configFile = result[0] && result[0].trim();
-	if (!configFile) {
-		throw result[1];
+npmrc(argv, process.env.npm_config_globalconfig).catch(e => {
+	if (e.code === 'EACCES' || /\bpermissions?\b/i.test(e.message)) {
+		console.error(e.message);
+		console.error('Please try running this command again as root/Administrator.');
+	} else {
+		console.error(e);
 	}
-	return npmrc(argv, configFile).catch(e => {
-		if (e.code === 'EACCES' || /\bpermissions?\b/i.test(e.message)) {
-			console.error(e.message);
-			console.error('Please try running this command again as root/Administrator.');
-		} else {
-			console.error(e);
-		}
-		process.exitCode = 1;
-	});
+	process.exitCode = 1;
 });