lepu-test-platform-web/node_modules/cacache/lib/util/fix-owner.js

45 lines
1.3 KiB
JavaScript

'use strict'
const BB = require('bluebird')
const chownr = BB.promisify(require('chownr'))
const mkdirp = BB.promisify(require('mkdirp'))
const inflight = require('promise-inflight')
module.exports.chownr = fixOwner
function fixOwner (filepath, uid, gid) {
if (!process.getuid) {
// This platform doesn't need ownership fixing
return BB.resolve()
}
if (typeof uid !== 'number' && typeof gid !== 'number') {
// There's no permissions override. Nothing to do here.
return BB.resolve()
}
if ((typeof uid === 'number' && process.getuid() === uid) &&
(typeof gid === 'number' && process.getgid() === gid)) {
// No need to override if it's already what we used.
return BB.resolve()
}
return inflight(
'fixOwner: fixing ownership on ' + filepath,
() => chownr(
filepath,
typeof uid === 'number' ? uid : process.getuid(),
typeof gid === 'number' ? gid : process.getgid()
).catch({code: 'ENOENT'}, () => null)
)
}
module.exports.mkdirfix = mkdirfix
function mkdirfix (p, uid, gid, cb) {
return mkdirp(p).then(made => {
if (made) {
return fixOwner(made, uid, gid).then(() => made)
}
}).catch({code: 'EEXIST'}, () => {
// There's a race in mkdirp!
return fixOwner(p, uid, gid).then(() => null)
})
}