push all website files

website/node_modules/npm/lib/install/check-permissions.js

@@ -0,0 +1,69 @@
+'use strict'
+var path = require('path')
+var log = require('npmlog')
+var validate = require('aproba')
+var uniq = require('lodash.uniq')
+var asyncMap = require('slide').asyncMap
+var npm = require('../npm.js')
+var exists = require('./exists.js')
+var writable = require('./writable.js')
+
+module.exports = function (actions, next) {
+  validate('AF', arguments)
+  var errors = []
+  asyncMap(actions, function (action, done) {
+    var cmd = action[0]
+    var pkg = action[1]
+    switch (cmd) {
+      case 'add':
+        hasAnyWriteAccess(path.resolve(pkg.path, '..'), errors, done)
+        break
+      case 'update':
+      case 'remove':
+        hasWriteAccess(pkg.path, errors, andHasWriteAccess(path.resolve(pkg.path, '..'), errors, done))
+        break
+      case 'move':
+        hasAnyWriteAccess(pkg.path, errors, andHasWriteAccess(path.resolve(pkg.fromPath, '..'), errors, done))
+        break
+      default:
+        done()
+    }
+  }, function () {
+    if (!errors.length) return next()
+    uniq(errors.map(function (er) { return 'Missing write access to ' + er.path })).forEach(function (er) {
+      log.warn('checkPermissions', er)
+    })
+    npm.config.get('force') ? next() : next(errors[0])
+  })
+}
+
+function andHasWriteAccess (dir, errors, done) {
+  validate('SAF', arguments)
+  return function () {
+    hasWriteAccess(dir, errors, done)
+  }
+}
+
+function hasAnyWriteAccess (dir, errors, done) {
+  validate('SAF', arguments)
+  findNearestDir()
+  function findNearestDir () {
+    var nextDir = path.resolve(dir, '..')
+    exists(dir, function (dirDoesntExist) {
+      if (!dirDoesntExist || nextDir === dir) {
+        return hasWriteAccess(dir, errors, done)
+      } else {
+        dir = nextDir
+        findNearestDir()
+      }
+    })
+  }
+}
+
+function hasWriteAccess (dir, errors, done) {
+  validate('SAF', arguments)
+  writable(dir, function (er) {
+    if (er) errors.push(er)
+    done()
+  })
+}