mirror of
https://github.com/nodejs/node.git
synced 2025-05-21 17:44:15 +00:00
dc05c70c8f
PR-URL: https://github.com/nodejs/node/pull/35908 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Myles Borins <myles.borins@gmail.com> Reviewed-By: Ruy Adorno <ruyadorno@github.com> Reviewed-By: Guy Bedford <guybedford@gmail.com>
67 lines
1.6 KiB
JavaScript
67 lines
1.6 KiB
JavaScript
const npm = require('../npm.js')
|
|
const path = require('path')
|
|
const chownr = require('chownr')
|
|
const writeFileAtomic = require('write-file-atomic')
|
|
const mkdirp = require('mkdirp-infer-owner')
|
|
const fs = require('graceful-fs')
|
|
|
|
let cache = null
|
|
let cacheUid = null
|
|
let cacheGid = null
|
|
let needChown = typeof process.getuid === 'function'
|
|
|
|
const getCacheOwner = () => {
|
|
let st
|
|
try {
|
|
st = fs.lstatSync(cache)
|
|
} catch (er) {
|
|
if (er.code !== 'ENOENT')
|
|
throw er
|
|
|
|
st = fs.lstatSync(path.dirname(cache))
|
|
}
|
|
|
|
cacheUid = st.uid
|
|
cacheGid = st.gid
|
|
|
|
needChown = st.uid !== process.getuid() ||
|
|
st.gid !== process.getgid()
|
|
}
|
|
|
|
const writeOrAppend = (method, file, data) => {
|
|
if (!cache)
|
|
cache = npm.config.get('cache')
|
|
|
|
// redundant if already absolute, but prevents non-absolute files
|
|
// from being written as if they're part of the cache.
|
|
file = path.resolve(cache, file)
|
|
|
|
if (cacheUid === null && needChown)
|
|
getCacheOwner()
|
|
|
|
const dir = path.dirname(file)
|
|
const firstMade = mkdirp.sync(dir)
|
|
|
|
if (!needChown)
|
|
return method(file, data)
|
|
|
|
let methodThrew = true
|
|
try {
|
|
method(file, data)
|
|
methodThrew = false
|
|
} finally {
|
|
// always try to leave it in the right ownership state, even on failure
|
|
// let the method error fail it instead of the chownr error, though
|
|
if (!methodThrew)
|
|
chownr.sync(firstMade || file, cacheUid, cacheGid)
|
|
else {
|
|
try {
|
|
chownr.sync(firstMade || file, cacheUid, cacheGid)
|
|
} catch (_) {}
|
|
}
|
|
}
|
|
}
|
|
|
|
exports.append = (file, data) => writeOrAppend(fs.appendFileSync, file, data)
|
|
exports.write = (file, data) => writeOrAppend(writeFileAtomic.sync, file, data)
|