bdde081050
Added test to ensure that release notes are parsed properly Updated to latest dependencies to fix security vulnerability Updated GH Actions Workflow to run test before updating tag Updated README.md to reflect proper whatsnew documentation.
343 lines
9.3 KiB
JavaScript
343 lines
9.3 KiB
JavaScript
var constants = require('constants')
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var origCwd = process.cwd
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var cwd = null
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var platform = process.env.GRACEFUL_FS_PLATFORM || process.platform
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process.cwd = function() {
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if (!cwd)
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cwd = origCwd.call(process)
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return cwd
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}
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try {
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process.cwd()
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} catch (er) {}
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var chdir = process.chdir
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process.chdir = function(d) {
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cwd = null
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chdir.call(process, d)
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}
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module.exports = patch
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function patch (fs) {
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// (re-)implement some things that are known busted or missing.
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// lchmod, broken prior to 0.6.2
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// back-port the fix here.
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if (constants.hasOwnProperty('O_SYMLINK') &&
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process.version.match(/^v0\.6\.[0-2]|^v0\.5\./)) {
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patchLchmod(fs)
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}
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// lutimes implementation, or no-op
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if (!fs.lutimes) {
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patchLutimes(fs)
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}
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// https://github.com/isaacs/node-graceful-fs/issues/4
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// Chown should not fail on einval or eperm if non-root.
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// It should not fail on enosys ever, as this just indicates
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// that a fs doesn't support the intended operation.
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fs.chown = chownFix(fs.chown)
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fs.fchown = chownFix(fs.fchown)
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fs.lchown = chownFix(fs.lchown)
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fs.chmod = chmodFix(fs.chmod)
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fs.fchmod = chmodFix(fs.fchmod)
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fs.lchmod = chmodFix(fs.lchmod)
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fs.chownSync = chownFixSync(fs.chownSync)
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fs.fchownSync = chownFixSync(fs.fchownSync)
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fs.lchownSync = chownFixSync(fs.lchownSync)
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fs.chmodSync = chmodFixSync(fs.chmodSync)
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fs.fchmodSync = chmodFixSync(fs.fchmodSync)
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fs.lchmodSync = chmodFixSync(fs.lchmodSync)
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fs.stat = statFix(fs.stat)
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fs.fstat = statFix(fs.fstat)
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fs.lstat = statFix(fs.lstat)
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fs.statSync = statFixSync(fs.statSync)
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fs.fstatSync = statFixSync(fs.fstatSync)
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fs.lstatSync = statFixSync(fs.lstatSync)
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// if lchmod/lchown do not exist, then make them no-ops
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if (!fs.lchmod) {
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fs.lchmod = function (path, mode, cb) {
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if (cb) process.nextTick(cb)
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}
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fs.lchmodSync = function () {}
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}
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if (!fs.lchown) {
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fs.lchown = function (path, uid, gid, cb) {
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if (cb) process.nextTick(cb)
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}
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fs.lchownSync = function () {}
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}
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// on Windows, A/V software can lock the directory, causing this
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// to fail with an EACCES or EPERM if the directory contains newly
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// created files. Try again on failure, for up to 60 seconds.
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// Set the timeout this long because some Windows Anti-Virus, such as Parity
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// bit9, may lock files for up to a minute, causing npm package install
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// failures. Also, take care to yield the scheduler. Windows scheduling gives
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// CPU to a busy looping process, which can cause the program causing the lock
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// contention to be starved of CPU by node, so the contention doesn't resolve.
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if (platform === "win32") {
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fs.rename = (function (fs$rename) { return function (from, to, cb) {
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var start = Date.now()
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var backoff = 0;
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fs$rename(from, to, function CB (er) {
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if (er
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&& (er.code === "EACCES" || er.code === "EPERM")
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&& Date.now() - start < 60000) {
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setTimeout(function() {
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fs.stat(to, function (stater, st) {
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if (stater && stater.code === "ENOENT")
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fs$rename(from, to, CB);
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else
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cb(er)
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})
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}, backoff)
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if (backoff < 100)
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backoff += 10;
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return;
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}
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if (cb) cb(er)
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})
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}})(fs.rename)
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}
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// if read() returns EAGAIN, then just try it again.
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fs.read = (function (fs$read) {
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function read (fd, buffer, offset, length, position, callback_) {
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var callback
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if (callback_ && typeof callback_ === 'function') {
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var eagCounter = 0
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callback = function (er, _, __) {
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if (er && er.code === 'EAGAIN' && eagCounter < 10) {
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eagCounter ++
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return fs$read.call(fs, fd, buffer, offset, length, position, callback)
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}
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callback_.apply(this, arguments)
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}
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}
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return fs$read.call(fs, fd, buffer, offset, length, position, callback)
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}
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// This ensures `util.promisify` works as it does for native `fs.read`.
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read.__proto__ = fs$read
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return read
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})(fs.read)
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fs.readSync = (function (fs$readSync) { return function (fd, buffer, offset, length, position) {
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var eagCounter = 0
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while (true) {
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try {
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return fs$readSync.call(fs, fd, buffer, offset, length, position)
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} catch (er) {
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if (er.code === 'EAGAIN' && eagCounter < 10) {
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eagCounter ++
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continue
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}
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throw er
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}
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}
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}})(fs.readSync)
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function patchLchmod (fs) {
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fs.lchmod = function (path, mode, callback) {
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fs.open( path
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, constants.O_WRONLY | constants.O_SYMLINK
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, mode
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, function (err, fd) {
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if (err) {
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if (callback) callback(err)
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return
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}
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// prefer to return the chmod error, if one occurs,
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// but still try to close, and report closing errors if they occur.
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fs.fchmod(fd, mode, function (err) {
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fs.close(fd, function(err2) {
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if (callback) callback(err || err2)
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})
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})
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})
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}
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fs.lchmodSync = function (path, mode) {
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var fd = fs.openSync(path, constants.O_WRONLY | constants.O_SYMLINK, mode)
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// prefer to return the chmod error, if one occurs,
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// but still try to close, and report closing errors if they occur.
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var threw = true
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var ret
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try {
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ret = fs.fchmodSync(fd, mode)
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threw = false
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} finally {
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if (threw) {
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try {
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fs.closeSync(fd)
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} catch (er) {}
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} else {
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fs.closeSync(fd)
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}
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}
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return ret
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}
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}
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function patchLutimes (fs) {
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if (constants.hasOwnProperty("O_SYMLINK")) {
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fs.lutimes = function (path, at, mt, cb) {
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fs.open(path, constants.O_SYMLINK, function (er, fd) {
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if (er) {
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if (cb) cb(er)
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return
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}
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fs.futimes(fd, at, mt, function (er) {
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fs.close(fd, function (er2) {
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if (cb) cb(er || er2)
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})
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})
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})
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}
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fs.lutimesSync = function (path, at, mt) {
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var fd = fs.openSync(path, constants.O_SYMLINK)
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var ret
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var threw = true
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try {
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ret = fs.futimesSync(fd, at, mt)
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threw = false
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} finally {
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if (threw) {
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try {
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fs.closeSync(fd)
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} catch (er) {}
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} else {
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fs.closeSync(fd)
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}
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}
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return ret
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}
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} else {
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fs.lutimes = function (_a, _b, _c, cb) { if (cb) process.nextTick(cb) }
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fs.lutimesSync = function () {}
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}
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}
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function chmodFix (orig) {
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if (!orig) return orig
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return function (target, mode, cb) {
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return orig.call(fs, target, mode, function (er) {
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if (chownErOk(er)) er = null
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if (cb) cb.apply(this, arguments)
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})
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}
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}
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function chmodFixSync (orig) {
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if (!orig) return orig
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return function (target, mode) {
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try {
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return orig.call(fs, target, mode)
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} catch (er) {
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if (!chownErOk(er)) throw er
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}
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}
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}
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function chownFix (orig) {
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if (!orig) return orig
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return function (target, uid, gid, cb) {
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return orig.call(fs, target, uid, gid, function (er) {
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if (chownErOk(er)) er = null
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if (cb) cb.apply(this, arguments)
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})
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}
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}
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function chownFixSync (orig) {
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if (!orig) return orig
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return function (target, uid, gid) {
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try {
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return orig.call(fs, target, uid, gid)
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} catch (er) {
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if (!chownErOk(er)) throw er
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}
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}
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}
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function statFix (orig) {
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if (!orig) return orig
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// Older versions of Node erroneously returned signed integers for
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// uid + gid.
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return function (target, options, cb) {
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if (typeof options === 'function') {
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cb = options
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options = null
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}
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function callback (er, stats) {
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if (stats) {
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if (stats.uid < 0) stats.uid += 0x100000000
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if (stats.gid < 0) stats.gid += 0x100000000
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}
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if (cb) cb.apply(this, arguments)
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}
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return options ? orig.call(fs, target, options, callback)
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: orig.call(fs, target, callback)
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}
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}
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function statFixSync (orig) {
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if (!orig) return orig
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// Older versions of Node erroneously returned signed integers for
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// uid + gid.
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return function (target, options) {
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var stats = options ? orig.call(fs, target, options)
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: orig.call(fs, target)
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if (stats.uid < 0) stats.uid += 0x100000000
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if (stats.gid < 0) stats.gid += 0x100000000
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return stats;
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}
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}
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// ENOSYS means that the fs doesn't support the op. Just ignore
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// that, because it doesn't matter.
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//
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// if there's no getuid, or if getuid() is something other
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// than 0, and the error is EINVAL or EPERM, then just ignore
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// it.
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//
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// This specific case is a silent failure in cp, install, tar,
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// and most other unix tools that manage permissions.
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//
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// When running as root, or if other types of errors are
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// encountered, then it's strict.
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function chownErOk (er) {
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if (!er)
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return true
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if (er.code === "ENOSYS")
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return true
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var nonroot = !process.getuid || process.getuid() !== 0
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if (nonroot) {
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if (er.code === "EINVAL" || er.code === "EPERM")
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return true
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}
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return false
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}
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}
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