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Direktori : /usr/lib/node_modules/npm/lib/install/ |
Current File : //usr/lib/node_modules/npm/lib/install/check-permissions.js |
'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() }) }