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'use strict'
const fs = require('fs')
const path = require('path')
/* istanbul ignore next */
const LCHOWN = fs.lchown ? 'lchown' : 'chown'
/* istanbul ignore next */
const LCHOWNSYNC = fs.lchownSync ? 'lchownSync' : 'chownSync'
// fs.readdir could only accept an options object as of node v6
const nodeVersion = process.version
let readdir = (path, options, cb) => fs.readdir(path, options, cb)
let readdirSync = (path, options) => fs.readdirSync(path, options)
/* istanbul ignore next */
if (/^v4\./.test(nodeVersion))
readdir = (path, options, cb) => fs.readdir(path, cb)
const chownrKid = (p, child, uid, gid, cb) => {
if (typeof child === 'string')
return fs.lstat(path.resolve(p, child), (er, stats) => {
if (er)
return cb(er)
stats.name = child
chownrKid(p, stats, uid, gid, cb)
})
if (child.isDirectory()) {
chownr(path.resolve(p, child.name), uid, gid, er => {
if (er)
return cb(er)
fs[LCHOWN](path.resolve(p, child.name), uid, gid, cb)
})
} else
fs[LCHOWN](path.resolve(p, child.name), uid, gid, cb)
}
const chownr = (p, uid, gid, cb) => {
readdir(p, { withFileTypes: true }, (er, children) => {
// any error other than ENOTDIR or ENOTSUP means it's not readable,
// or doesn't exist. give up.
if (er && er.code !== 'ENOTDIR' && er.code !== 'ENOTSUP')
return cb(er)
if (er || !children.length) return fs[LCHOWN](p, uid, gid, cb)
let len = children.length
let errState = null
const then = er => {
if (errState) return
if (er) return cb(errState = er)
if (-- len === 0) return fs[LCHOWN](p, uid, gid, cb)
}
children.forEach(child => chownrKid(p, child, uid, gid, then))
})
}
const chownrKidSync = (p, child, uid, gid) => {
if (typeof child === 'string') {
const stats = fs.lstatSync(path.resolve(p, child))
stats.name = child
child = stats
}
if (child.isDirectory())
chownrSync(path.resolve(p, child.name), uid, gid)
fs[LCHOWNSYNC](path.resolve(p, child.name), uid, gid)
}
const chownrSync = (p, uid, gid) => {
let children
try {
children = readdirSync(p, { withFileTypes: true })
} catch (er) {
if (er && er.code === 'ENOTDIR' && er.code !== 'ENOTSUP')
return fs[LCHOWNSYNC](p, uid, gid)
throw er
}
if (children.length)
children.forEach(child => chownrKidSync(p, child, uid, gid))
return fs[LCHOWNSYNC](p, uid, gid)
}
module.exports = chownr
chownr.sync = chownrSync
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