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module.exports = chmodr
chmodr.sync = chmodrSync
var fs = require("fs")
, path = require("path")
function chmodr (p, mode, cb) {
fs.readdir(p, function (er, children) {
// any error other than ENOTDIR means it's not readable, or
// doesn't exist. give up.
if (er && er.code !== "ENOTDIR")
return cb(er)
var isDir = !er
var m = isDir ? dirMode(mode) : mode
if (er || !children.length)
return fs.chmod(p, m, cb)
var len = children.length
var errState = null
children.forEach(function (child) {
chmodr(path.resolve(p, child), mode, then)
})
function then (er) {
if (errState) return
if (er) return cb(errState = er)
if (-- len === 0) return fs.chmod(p, dirMode(mode), cb)
}
})
}
function chmodrSync (p, mode) {
var children
try {
children = fs.readdirSync(p)
} catch (er) {
if (er && er.code === "ENOTDIR") return fs.chmodSync(p, mode)
throw er
}
if (!children.length) return fs.chmodSync(p, dirMode(mode))
children.forEach(function (child) {
chmodrSync(path.resolve(p, child), mode)
})
return fs.chmodSync(p, dirMode(mode))
}
// If a party has r, add x
// so that dirs are listable
function dirMode(mode) {
if (mode & 0400) mode |= 0100
if (mode & 040) mode |= 010
if (mode & 04) mode |= 01
return mode
}
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