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module.exports = setUser
var assert = require('assert')
var path = require('path')
var fs = require('fs')
var mkdirp = require('mkdirp')
function setUser (cb) {
var defaultConf = this.root
assert(defaultConf !== Object.prototype)
// If global, leave it as-is.
// If not global, then set the user to the owner of the prefix folder.
// Just set the default, so it can be overridden.
if (this.get('global')) return cb()
if (process.env.SUDO_UID) {
defaultConf.user = +(process.env.SUDO_UID)
return cb()
}
var prefix = path.resolve(this.get('prefix'))
mkdirp(prefix, function (er) {
if (er) return cb(er)
fs.stat(prefix, function (er, st) {
defaultConf.user = st && st.uid
return cb(er)
})
})
}