Only show update notifications when loaded from npm (#606)

* Revert "Brought the update notification back"

This reverts commit 5d3d9d4f37.

* add _npmPkg to pkg when now is installed via npm

* Prettified it

* Set _npmPkg to null

bin/now.js

@@ -26,15 +26,17 @@ try {
 // Utilities
 const pkg = require('../lib/pkg')
 
-const notifier = updateNotifier({ pkg })
-const update = notifier.update
+if (pkg._npmPkg) {
+  const notifier = updateNotifier({ pkg })
+  const update = notifier.update
 
-if (update) {
-  let message = `Update available! ${chalk.red(update.current)} → ${chalk.green(update.latest)} \n`
-  message += `Run ${chalk.magenta('npm i -g now')} to update!\n`
-  message += `${chalk.magenta('Changelog:')} https://github.com/zeit/now-cli/releases/tag/${update.latest}`
+  if (update) {
+    let message = `Update available! ${chalk.red(update.current)} → ${chalk.green(update.latest)} \n`
+    message += `Run ${chalk.magenta('npm i -g now')} to update!\n`
+    message += `${chalk.magenta('Changelog:')} https://github.com/zeit/now-cli/releases/tag/${update.latest}`
 
-  notifier.notify({ message })
+    notifier.notify({ message })
+  }
 }
 
 // This command will be run if no other sub command is specified

lib/pkg.js

@@ -1,10 +1,13 @@
 /* eslint-disable import/no-unresolved */
 
-let pkg
+const path = require('path')
+const pkg = require('../package.json')
+
 try {
-  pkg = require('../package.json')
+  const distDir = path.dirname(process.execPath)
+  pkg._npmPkg = require(path.join(distDir, '../../package.json'))
 } catch (err) {
-  pkg = require('../../package.json')
+  pkg._npmPkg = null
 }
 
 module.exports = pkg