1 var chownr = require('chownr')
2 var dezalgo = require('dezalgo')
3 var fs = require('graceful-fs')
4 var inflight = require('inflight')
5 var log = require('npmlog')
6 var mkdirp = require('mkdirp')
8 // memoize the directories created by this step
11 module.exports = function correctMkdir (path, cb) {
13 cb = inflight('correctMkdir:' + path, cb)
15 return log.verbose('correctMkdir', path, 'correctMkdir already in flight; waiting')
17 log.verbose('correctMkdir', path, 'correctMkdir not in flight; initializing')
20 if (stats[path]) return cb(null, stats[path])
22 fs.stat(path, function (er, st) {
23 if (er) return makeDirectory(path, cb)
25 if (!st.isDirectory()) {
26 log.error('correctMkdir', 'invalid dir %s', path)
30 var ownerStats = calculateOwner()
31 // there's always a chance the permissions could have been frobbed, so fix
32 if (st.uid !== ownerStats.uid) {
33 stats[path] = ownerStats
34 setPermissions(path, ownerStats, cb)
42 function calculateOwner () {
43 if (!effectiveOwner) {
44 effectiveOwner = { uid: 0, gid: 0 }
46 // Pretty much only on windows
47 if (!process.getuid) {
51 effectiveOwner.uid = +process.getuid()
52 effectiveOwner.gid = +process.getgid()
54 if (effectiveOwner.uid === 0) {
55 if (process.env.SUDO_UID) effectiveOwner.uid = +process.env.SUDO_UID
56 if (process.env.SUDO_GID) effectiveOwner.gid = +process.env.SUDO_GID
63 function makeDirectory (path, cb) {
64 cb = inflight('makeDirectory:' + path, cb)
66 return log.verbose('makeDirectory', path, 'creation already in flight; waiting')
68 log.verbose('makeDirectory', path, 'creation not in flight; initializing')
71 var owner = calculateOwner()
73 if (!process.getuid) {
74 return mkdirp(path, function (er) {
75 log.verbose('makeCacheDir', 'UID & GID are irrelevant on', process.platform)
78 return cb(er, stats[path])
82 if (owner.uid !== 0 || !process.env.HOME) {
84 'makeDirectory', path,
89 mkdirp(path, afterMkdir)
91 fs.stat(process.env.HOME, function (er, st) {
93 log.error('makeDirectory', 'homeless?')
98 'makeDirectory', path,
103 mkdirp(path, afterMkdir)
107 function afterMkdir (er, made) {
108 if (er || !stats[path] || isNaN(stats[path].uid) || isNaN(stats[path].gid)) {
109 return cb(er, stats[path])
112 if (!made) return cb(er, stats[path])
114 setPermissions(made, stats[path], cb)
118 function setPermissions (path, st, cb) {
119 chownr(path, st.uid, st.gid, function (er) {
120 if (er && er.code === 'ENOENT') return cb(null, st)