fixup! fix(setup): fail gracefully when package.json cannot be found

bin/setup.js

@@ -6,8 +6,12 @@ var log = require('npmlog')
 
 var isInstallIntoApp = /node_modules/.test(process.cwd())
 
-// This block only executes if Hoodie is installed with as a dependency
+// Run setup only if Hoodie is installed explicitly (npm install hoodie)
 if (isInstallIntoApp) {
+  setup()
+}
+
+function setup () {
   var pathToAppRoot = path.resolve('..', '..')
 
   // log warning if package.json cannot be found (hoodiehq/hoodie#751)
@@ -20,7 +24,7 @@ if (isInstallIntoApp) {
     log.warn('setup', 'Could not find package.json at ' + path.join(pathToAppRoot, 'package.json'))
     log.warn('setup', 'You must manually set the start script in your app’s package.json to "hoodie" in order for "npm start" to work')
 
-    process.exit(0)
+    return
   }
 
   packageJson.scripts = packageJson.scripts || {}