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- // the PEND/UNPEND stuff tracks whether we're ready to emit end/close yet.
- // but the path reservations are required to avoid race conditions where
- // parallelized unpack ops may mess with one another, due to dependencies
- // (like a Link depending on its target) or destructive operations (like
- // clobbering an fs object to create one of a different type.)
- import * as fsm from '@isaacs/fs-minipass';
- import assert from 'node:assert';
- import { randomBytes } from 'node:crypto';
- import fs from 'node:fs';
- import path from 'node:path';
- import { getWriteFlag } from './get-write-flag.js';
- import { mkdir, mkdirSync } from './mkdir.js';
- import { normalizeUnicode } from './normalize-unicode.js';
- import { normalizeWindowsPath } from './normalize-windows-path.js';
- import { Parser } from './parse.js';
- import { stripAbsolutePath } from './strip-absolute-path.js';
- import { stripTrailingSlashes } from './strip-trailing-slashes.js';
- import * as wc from './winchars.js';
- import { PathReservations } from './path-reservations.js';
- const ONENTRY = Symbol('onEntry');
- const CHECKFS = Symbol('checkFs');
- const CHECKFS2 = Symbol('checkFs2');
- const PRUNECACHE = Symbol('pruneCache');
- const ISREUSABLE = Symbol('isReusable');
- const MAKEFS = Symbol('makeFs');
- const FILE = Symbol('file');
- const DIRECTORY = Symbol('directory');
- const LINK = Symbol('link');
- const SYMLINK = Symbol('symlink');
- const HARDLINK = Symbol('hardlink');
- const UNSUPPORTED = Symbol('unsupported');
- const CHECKPATH = Symbol('checkPath');
- const MKDIR = Symbol('mkdir');
- const ONERROR = Symbol('onError');
- const PENDING = Symbol('pending');
- const PEND = Symbol('pend');
- const UNPEND = Symbol('unpend');
- const ENDED = Symbol('ended');
- const MAYBECLOSE = Symbol('maybeClose');
- const SKIP = Symbol('skip');
- const DOCHOWN = Symbol('doChown');
- const UID = Symbol('uid');
- const GID = Symbol('gid');
- const CHECKED_CWD = Symbol('checkedCwd');
- const platform = process.env.TESTING_TAR_FAKE_PLATFORM || process.platform;
- const isWindows = platform === 'win32';
- const DEFAULT_MAX_DEPTH = 1024;
- // Unlinks on Windows are not atomic.
- //
- // This means that if you have a file entry, followed by another
- // file entry with an identical name, and you cannot re-use the file
- // (because it's a hardlink, or because unlink:true is set, or it's
- // Windows, which does not have useful nlink values), then the unlink
- // will be committed to the disk AFTER the new file has been written
- // over the old one, deleting the new file.
- //
- // To work around this, on Windows systems, we rename the file and then
- // delete the renamed file. It's a sloppy kludge, but frankly, I do not
- // know of a better way to do this, given windows' non-atomic unlink
- // semantics.
- //
- // See: https://github.com/npm/node-tar/issues/183
- /* c8 ignore start */
- const unlinkFile = (path, cb) => {
- if (!isWindows) {
- return fs.unlink(path, cb);
- }
- const name = path + '.DELETE.' + randomBytes(16).toString('hex');
- fs.rename(path, name, er => {
- if (er) {
- return cb(er);
- }
- fs.unlink(name, cb);
- });
- };
- /* c8 ignore stop */
- /* c8 ignore start */
- const unlinkFileSync = (path) => {
- if (!isWindows) {
- return fs.unlinkSync(path);
- }
- const name = path + '.DELETE.' + randomBytes(16).toString('hex');
- fs.renameSync(path, name);
- fs.unlinkSync(name);
- };
- /* c8 ignore stop */
- // this.gid, entry.gid, this.processUid
- const uint32 = (a, b, c) => a !== undefined && a === a >>> 0 ? a
- : b !== undefined && b === b >>> 0 ? b
- : c;
- // clear the cache if it's a case-insensitive unicode-squashing match.
- // we can't know if the current file system is case-sensitive or supports
- // unicode fully, so we check for similarity on the maximally compatible
- // representation. Err on the side of pruning, since all it's doing is
- // preventing lstats, and it's not the end of the world if we get a false
- // positive.
- // Note that on windows, we always drop the entire cache whenever a
- // symbolic link is encountered, because 8.3 filenames are impossible
- // to reason about, and collisions are hazards rather than just failures.
- const cacheKeyNormalize = (path) => stripTrailingSlashes(normalizeWindowsPath(normalizeUnicode(path))).toLowerCase();
- // remove all cache entries matching ${abs}/**
- const pruneCache = (cache, abs) => {
- abs = cacheKeyNormalize(abs);
- for (const path of cache.keys()) {
- const pnorm = cacheKeyNormalize(path);
- if (pnorm === abs || pnorm.indexOf(abs + '/') === 0) {
- cache.delete(path);
- }
- }
- };
- const dropCache = (cache) => {
- for (const key of cache.keys()) {
- cache.delete(key);
- }
- };
- export class Unpack extends Parser {
- [ENDED] = false;
- [CHECKED_CWD] = false;
- [PENDING] = 0;
- reservations = new PathReservations();
- transform;
- writable = true;
- readable = false;
- dirCache;
- uid;
- gid;
- setOwner;
- preserveOwner;
- processGid;
- processUid;
- maxDepth;
- forceChown;
- win32;
- newer;
- keep;
- noMtime;
- preservePaths;
- unlink;
- cwd;
- strip;
- processUmask;
- umask;
- dmode;
- fmode;
- chmod;
- constructor(opt = {}) {
- opt.ondone = () => {
- this[ENDED] = true;
- this[MAYBECLOSE]();
- };
- super(opt);
- this.transform = opt.transform;
- this.dirCache = opt.dirCache || new Map();
- this.chmod = !!opt.chmod;
- if (typeof opt.uid === 'number' || typeof opt.gid === 'number') {
- // need both or neither
- if (typeof opt.uid !== 'number' ||
- typeof opt.gid !== 'number') {
- throw new TypeError('cannot set owner without number uid and gid');
- }
- if (opt.preserveOwner) {
- throw new TypeError('cannot preserve owner in archive and also set owner explicitly');
- }
- this.uid = opt.uid;
- this.gid = opt.gid;
- this.setOwner = true;
- }
- else {
- this.uid = undefined;
- this.gid = undefined;
- this.setOwner = false;
- }
- // default true for root
- if (opt.preserveOwner === undefined &&
- typeof opt.uid !== 'number') {
- this.preserveOwner = !!(process.getuid && process.getuid() === 0);
- }
- else {
- this.preserveOwner = !!opt.preserveOwner;
- }
- this.processUid =
- (this.preserveOwner || this.setOwner) && process.getuid ?
- process.getuid()
- : undefined;
- this.processGid =
- (this.preserveOwner || this.setOwner) && process.getgid ?
- process.getgid()
- : undefined;
- // prevent excessively deep nesting of subfolders
- // set to `Infinity` to remove this restriction
- this.maxDepth =
- typeof opt.maxDepth === 'number' ?
- opt.maxDepth
- : DEFAULT_MAX_DEPTH;
- // mostly just for testing, but useful in some cases.
- // Forcibly trigger a chown on every entry, no matter what
- this.forceChown = opt.forceChown === true;
- // turn ><?| in filenames into 0xf000-higher encoded forms
- this.win32 = !!opt.win32 || isWindows;
- // do not unpack over files that are newer than what's in the archive
- this.newer = !!opt.newer;
- // do not unpack over ANY files
- this.keep = !!opt.keep;
- // do not set mtime/atime of extracted entries
- this.noMtime = !!opt.noMtime;
- // allow .., absolute path entries, and unpacking through symlinks
- // without this, warn and skip .., relativize absolutes, and error
- // on symlinks in extraction path
- this.preservePaths = !!opt.preservePaths;
- // unlink files and links before writing. This breaks existing hard
- // links, and removes symlink directories rather than erroring
- this.unlink = !!opt.unlink;
- this.cwd = normalizeWindowsPath(path.resolve(opt.cwd || process.cwd()));
- this.strip = Number(opt.strip) || 0;
- // if we're not chmodding, then we don't need the process umask
- this.processUmask =
- !this.chmod ? 0
- : typeof opt.processUmask === 'number' ? opt.processUmask
- : process.umask();
- this.umask =
- typeof opt.umask === 'number' ? opt.umask : this.processUmask;
- // default mode for dirs created as parents
- this.dmode = opt.dmode || 0o0777 & ~this.umask;
- this.fmode = opt.fmode || 0o0666 & ~this.umask;
- this.on('entry', entry => this[ONENTRY](entry));
- }
- // a bad or damaged archive is a warning for Parser, but an error
- // when extracting. Mark those errors as unrecoverable, because
- // the Unpack contract cannot be met.
- warn(code, msg, data = {}) {
- if (code === 'TAR_BAD_ARCHIVE' || code === 'TAR_ABORT') {
- data.recoverable = false;
- }
- return super.warn(code, msg, data);
- }
- [MAYBECLOSE]() {
- if (this[ENDED] && this[PENDING] === 0) {
- this.emit('prefinish');
- this.emit('finish');
- this.emit('end');
- }
- }
- [CHECKPATH](entry) {
- const p = normalizeWindowsPath(entry.path);
- const parts = p.split('/');
- if (this.strip) {
- if (parts.length < this.strip) {
- return false;
- }
- if (entry.type === 'Link') {
- const linkparts = normalizeWindowsPath(String(entry.linkpath)).split('/');
- if (linkparts.length >= this.strip) {
- entry.linkpath = linkparts.slice(this.strip).join('/');
- }
- else {
- return false;
- }
- }
- parts.splice(0, this.strip);
- entry.path = parts.join('/');
- }
- if (isFinite(this.maxDepth) && parts.length > this.maxDepth) {
- this.warn('TAR_ENTRY_ERROR', 'path excessively deep', {
- entry,
- path: p,
- depth: parts.length,
- maxDepth: this.maxDepth,
- });
- return false;
- }
- if (!this.preservePaths) {
- if (parts.includes('..') ||
- /* c8 ignore next */
- (isWindows && /^[a-z]:\.\.$/i.test(parts[0] ?? ''))) {
- this.warn('TAR_ENTRY_ERROR', `path contains '..'`, {
- entry,
- path: p,
- });
- return false;
- }
- // strip off the root
- const [root, stripped] = stripAbsolutePath(p);
- if (root) {
- entry.path = String(stripped);
- this.warn('TAR_ENTRY_INFO', `stripping ${root} from absolute path`, {
- entry,
- path: p,
- });
- }
- }
- if (path.isAbsolute(entry.path)) {
- entry.absolute = normalizeWindowsPath(path.resolve(entry.path));
- }
- else {
- entry.absolute = normalizeWindowsPath(path.resolve(this.cwd, entry.path));
- }
- // if we somehow ended up with a path that escapes the cwd, and we are
- // not in preservePaths mode, then something is fishy! This should have
- // been prevented above, so ignore this for coverage.
- /* c8 ignore start - defense in depth */
- if (!this.preservePaths &&
- typeof entry.absolute === 'string' &&
- entry.absolute.indexOf(this.cwd + '/') !== 0 &&
- entry.absolute !== this.cwd) {
- this.warn('TAR_ENTRY_ERROR', 'path escaped extraction target', {
- entry,
- path: normalizeWindowsPath(entry.path),
- resolvedPath: entry.absolute,
- cwd: this.cwd,
- });
- return false;
- }
- /* c8 ignore stop */
- // an archive can set properties on the extraction directory, but it
- // may not replace the cwd with a different kind of thing entirely.
- if (entry.absolute === this.cwd &&
- entry.type !== 'Directory' &&
- entry.type !== 'GNUDumpDir') {
- return false;
- }
- // only encode : chars that aren't drive letter indicators
- if (this.win32) {
- const { root: aRoot } = path.win32.parse(String(entry.absolute));
- entry.absolute =
- aRoot + wc.encode(String(entry.absolute).slice(aRoot.length));
- const { root: pRoot } = path.win32.parse(entry.path);
- entry.path = pRoot + wc.encode(entry.path.slice(pRoot.length));
- }
- return true;
- }
- [ONENTRY](entry) {
- if (!this[CHECKPATH](entry)) {
- return entry.resume();
- }
- assert.equal(typeof entry.absolute, 'string');
- switch (entry.type) {
- case 'Directory':
- case 'GNUDumpDir':
- if (entry.mode) {
- entry.mode = entry.mode | 0o700;
- }
- // eslint-disable-next-line no-fallthrough
- case 'File':
- case 'OldFile':
- case 'ContiguousFile':
- case 'Link':
- case 'SymbolicLink':
- return this[CHECKFS](entry);
- case 'CharacterDevice':
- case 'BlockDevice':
- case 'FIFO':
- default:
- return this[UNSUPPORTED](entry);
- }
- }
- [ONERROR](er, entry) {
- // Cwd has to exist, or else nothing works. That's serious.
- // Other errors are warnings, which raise the error in strict
- // mode, but otherwise continue on.
- if (er.name === 'CwdError') {
- this.emit('error', er);
- }
- else {
- this.warn('TAR_ENTRY_ERROR', er, { entry });
- this[UNPEND]();
- entry.resume();
- }
- }
- [MKDIR](dir, mode, cb) {
- mkdir(normalizeWindowsPath(dir), {
- uid: this.uid,
- gid: this.gid,
- processUid: this.processUid,
- processGid: this.processGid,
- umask: this.processUmask,
- preserve: this.preservePaths,
- unlink: this.unlink,
- cache: this.dirCache,
- cwd: this.cwd,
- mode: mode,
- }, cb);
- }
- [DOCHOWN](entry) {
- // in preserve owner mode, chown if the entry doesn't match process
- // in set owner mode, chown if setting doesn't match process
- return (this.forceChown ||
- (this.preserveOwner &&
- ((typeof entry.uid === 'number' &&
- entry.uid !== this.processUid) ||
- (typeof entry.gid === 'number' &&
- entry.gid !== this.processGid))) ||
- (typeof this.uid === 'number' &&
- this.uid !== this.processUid) ||
- (typeof this.gid === 'number' && this.gid !== this.processGid));
- }
- [UID](entry) {
- return uint32(this.uid, entry.uid, this.processUid);
- }
- [GID](entry) {
- return uint32(this.gid, entry.gid, this.processGid);
- }
- [FILE](entry, fullyDone) {
- const mode = typeof entry.mode === 'number' ?
- entry.mode & 0o7777
- : this.fmode;
- const stream = new fsm.WriteStream(String(entry.absolute), {
- // slight lie, but it can be numeric flags
- flags: getWriteFlag(entry.size),
- mode: mode,
- autoClose: false,
- });
- stream.on('error', (er) => {
- if (stream.fd) {
- fs.close(stream.fd, () => { });
- }
- // flush all the data out so that we aren't left hanging
- // if the error wasn't actually fatal. otherwise the parse
- // is blocked, and we never proceed.
- stream.write = () => true;
- this[ONERROR](er, entry);
- fullyDone();
- });
- let actions = 1;
- const done = (er) => {
- if (er) {
- /* c8 ignore start - we should always have a fd by now */
- if (stream.fd) {
- fs.close(stream.fd, () => { });
- }
- /* c8 ignore stop */
- this[ONERROR](er, entry);
- fullyDone();
- return;
- }
- if (--actions === 0) {
- if (stream.fd !== undefined) {
- fs.close(stream.fd, er => {
- if (er) {
- this[ONERROR](er, entry);
- }
- else {
- this[UNPEND]();
- }
- fullyDone();
- });
- }
- }
- };
- stream.on('finish', () => {
- // if futimes fails, try utimes
- // if utimes fails, fail with the original error
- // same for fchown/chown
- const abs = String(entry.absolute);
- const fd = stream.fd;
- if (typeof fd === 'number' && entry.mtime && !this.noMtime) {
- actions++;
- const atime = entry.atime || new Date();
- const mtime = entry.mtime;
- fs.futimes(fd, atime, mtime, er => er ?
- fs.utimes(abs, atime, mtime, er2 => done(er2 && er))
- : done());
- }
- if (typeof fd === 'number' && this[DOCHOWN](entry)) {
- actions++;
- const uid = this[UID](entry);
- const gid = this[GID](entry);
- if (typeof uid === 'number' && typeof gid === 'number') {
- fs.fchown(fd, uid, gid, er => er ?
- fs.chown(abs, uid, gid, er2 => done(er2 && er))
- : done());
- }
- }
- done();
- });
- const tx = this.transform ? this.transform(entry) || entry : entry;
- if (tx !== entry) {
- tx.on('error', (er) => {
- this[ONERROR](er, entry);
- fullyDone();
- });
- entry.pipe(tx);
- }
- tx.pipe(stream);
- }
- [DIRECTORY](entry, fullyDone) {
- const mode = typeof entry.mode === 'number' ?
- entry.mode & 0o7777
- : this.dmode;
- this[MKDIR](String(entry.absolute), mode, er => {
- if (er) {
- this[ONERROR](er, entry);
- fullyDone();
- return;
- }
- let actions = 1;
- const done = () => {
- if (--actions === 0) {
- fullyDone();
- this[UNPEND]();
- entry.resume();
- }
- };
- if (entry.mtime && !this.noMtime) {
- actions++;
- fs.utimes(String(entry.absolute), entry.atime || new Date(), entry.mtime, done);
- }
- if (this[DOCHOWN](entry)) {
- actions++;
- fs.chown(String(entry.absolute), Number(this[UID](entry)), Number(this[GID](entry)), done);
- }
- done();
- });
- }
- [UNSUPPORTED](entry) {
- entry.unsupported = true;
- this.warn('TAR_ENTRY_UNSUPPORTED', `unsupported entry type: ${entry.type}`, { entry });
- entry.resume();
- }
- [SYMLINK](entry, done) {
- this[LINK](entry, String(entry.linkpath), 'symlink', done);
- }
- [HARDLINK](entry, done) {
- const linkpath = normalizeWindowsPath(path.resolve(this.cwd, String(entry.linkpath)));
- this[LINK](entry, linkpath, 'link', done);
- }
- [PEND]() {
- this[PENDING]++;
- }
- [UNPEND]() {
- this[PENDING]--;
- this[MAYBECLOSE]();
- }
- [SKIP](entry) {
- this[UNPEND]();
- entry.resume();
- }
- // Check if we can reuse an existing filesystem entry safely and
- // overwrite it, rather than unlinking and recreating
- // Windows doesn't report a useful nlink, so we just never reuse entries
- [ISREUSABLE](entry, st) {
- return (entry.type === 'File' &&
- !this.unlink &&
- st.isFile() &&
- st.nlink <= 1 &&
- !isWindows);
- }
- // check if a thing is there, and if so, try to clobber it
- [CHECKFS](entry) {
- this[PEND]();
- const paths = [entry.path];
- if (entry.linkpath) {
- paths.push(entry.linkpath);
- }
- this.reservations.reserve(paths, done => this[CHECKFS2](entry, done));
- }
- [PRUNECACHE](entry) {
- // if we are not creating a directory, and the path is in the dirCache,
- // then that means we are about to delete the directory we created
- // previously, and it is no longer going to be a directory, and neither
- // is any of its children.
- // If a symbolic link is encountered, all bets are off. There is no
- // reasonable way to sanitize the cache in such a way we will be able to
- // avoid having filesystem collisions. If this happens with a non-symlink
- // entry, it'll just fail to unpack, but a symlink to a directory, using an
- // 8.3 shortname or certain unicode attacks, can evade detection and lead
- // to arbitrary writes to anywhere on the system.
- if (entry.type === 'SymbolicLink') {
- dropCache(this.dirCache);
- }
- else if (entry.type !== 'Directory') {
- pruneCache(this.dirCache, String(entry.absolute));
- }
- }
- [CHECKFS2](entry, fullyDone) {
- this[PRUNECACHE](entry);
- const done = (er) => {
- this[PRUNECACHE](entry);
- fullyDone(er);
- };
- const checkCwd = () => {
- this[MKDIR](this.cwd, this.dmode, er => {
- if (er) {
- this[ONERROR](er, entry);
- done();
- return;
- }
- this[CHECKED_CWD] = true;
- start();
- });
- };
- const start = () => {
- if (entry.absolute !== this.cwd) {
- const parent = normalizeWindowsPath(path.dirname(String(entry.absolute)));
- if (parent !== this.cwd) {
- return this[MKDIR](parent, this.dmode, er => {
- if (er) {
- this[ONERROR](er, entry);
- done();
- return;
- }
- afterMakeParent();
- });
- }
- }
- afterMakeParent();
- };
- const afterMakeParent = () => {
- fs.lstat(String(entry.absolute), (lstatEr, st) => {
- if (st &&
- (this.keep ||
- /* c8 ignore next */
- (this.newer && st.mtime > (entry.mtime ?? st.mtime)))) {
- this[SKIP](entry);
- done();
- return;
- }
- if (lstatEr || this[ISREUSABLE](entry, st)) {
- return this[MAKEFS](null, entry, done);
- }
- if (st.isDirectory()) {
- if (entry.type === 'Directory') {
- const needChmod = this.chmod &&
- entry.mode &&
- (st.mode & 0o7777) !== entry.mode;
- const afterChmod = (er) => this[MAKEFS](er ?? null, entry, done);
- if (!needChmod) {
- return afterChmod();
- }
- return fs.chmod(String(entry.absolute), Number(entry.mode), afterChmod);
- }
- // Not a dir entry, have to remove it.
- // NB: the only way to end up with an entry that is the cwd
- // itself, in such a way that == does not detect, is a
- // tricky windows absolute path with UNC or 8.3 parts (and
- // preservePaths:true, or else it will have been stripped).
- // In that case, the user has opted out of path protections
- // explicitly, so if they blow away the cwd, c'est la vie.
- if (entry.absolute !== this.cwd) {
- return fs.rmdir(String(entry.absolute), (er) => this[MAKEFS](er ?? null, entry, done));
- }
- }
- // not a dir, and not reusable
- // don't remove if the cwd, we want that error
- if (entry.absolute === this.cwd) {
- return this[MAKEFS](null, entry, done);
- }
- unlinkFile(String(entry.absolute), er => this[MAKEFS](er ?? null, entry, done));
- });
- };
- if (this[CHECKED_CWD]) {
- start();
- }
- else {
- checkCwd();
- }
- }
- [MAKEFS](er, entry, done) {
- if (er) {
- this[ONERROR](er, entry);
- done();
- return;
- }
- switch (entry.type) {
- case 'File':
- case 'OldFile':
- case 'ContiguousFile':
- return this[FILE](entry, done);
- case 'Link':
- return this[HARDLINK](entry, done);
- case 'SymbolicLink':
- return this[SYMLINK](entry, done);
- case 'Directory':
- case 'GNUDumpDir':
- return this[DIRECTORY](entry, done);
- }
- }
- [LINK](entry, linkpath, link, done) {
- // XXX: get the type ('symlink' or 'junction') for windows
- fs[link](linkpath, String(entry.absolute), er => {
- if (er) {
- this[ONERROR](er, entry);
- }
- else {
- this[UNPEND]();
- entry.resume();
- }
- done();
- });
- }
- }
- const callSync = (fn) => {
- try {
- return [null, fn()];
- }
- catch (er) {
- return [er, null];
- }
- };
- export class UnpackSync extends Unpack {
- sync = true;
- [MAKEFS](er, entry) {
- return super[MAKEFS](er, entry, () => { });
- }
- [CHECKFS](entry) {
- this[PRUNECACHE](entry);
- if (!this[CHECKED_CWD]) {
- const er = this[MKDIR](this.cwd, this.dmode);
- if (er) {
- return this[ONERROR](er, entry);
- }
- this[CHECKED_CWD] = true;
- }
- // don't bother to make the parent if the current entry is the cwd,
- // we've already checked it.
- if (entry.absolute !== this.cwd) {
- const parent = normalizeWindowsPath(path.dirname(String(entry.absolute)));
- if (parent !== this.cwd) {
- const mkParent = this[MKDIR](parent, this.dmode);
- if (mkParent) {
- return this[ONERROR](mkParent, entry);
- }
- }
- }
- const [lstatEr, st] = callSync(() => fs.lstatSync(String(entry.absolute)));
- if (st &&
- (this.keep ||
- /* c8 ignore next */
- (this.newer && st.mtime > (entry.mtime ?? st.mtime)))) {
- return this[SKIP](entry);
- }
- if (lstatEr || this[ISREUSABLE](entry, st)) {
- return this[MAKEFS](null, entry);
- }
- if (st.isDirectory()) {
- if (entry.type === 'Directory') {
- const needChmod = this.chmod &&
- entry.mode &&
- (st.mode & 0o7777) !== entry.mode;
- const [er] = needChmod ?
- callSync(() => {
- fs.chmodSync(String(entry.absolute), Number(entry.mode));
- })
- : [];
- return this[MAKEFS](er, entry);
- }
- // not a dir entry, have to remove it
- const [er] = callSync(() => fs.rmdirSync(String(entry.absolute)));
- this[MAKEFS](er, entry);
- }
- // not a dir, and not reusable.
- // don't remove if it's the cwd, since we want that error.
- const [er] = entry.absolute === this.cwd ?
- []
- : callSync(() => unlinkFileSync(String(entry.absolute)));
- this[MAKEFS](er, entry);
- }
- [FILE](entry, done) {
- const mode = typeof entry.mode === 'number' ?
- entry.mode & 0o7777
- : this.fmode;
- const oner = (er) => {
- let closeError;
- try {
- fs.closeSync(fd);
- }
- catch (e) {
- closeError = e;
- }
- if (er || closeError) {
- this[ONERROR](er || closeError, entry);
- }
- done();
- };
- let fd;
- try {
- fd = fs.openSync(String(entry.absolute), getWriteFlag(entry.size), mode);
- }
- catch (er) {
- return oner(er);
- }
- const tx = this.transform ? this.transform(entry) || entry : entry;
- if (tx !== entry) {
- tx.on('error', (er) => this[ONERROR](er, entry));
- entry.pipe(tx);
- }
- tx.on('data', (chunk) => {
- try {
- fs.writeSync(fd, chunk, 0, chunk.length);
- }
- catch (er) {
- oner(er);
- }
- });
- tx.on('end', () => {
- let er = null;
- // try both, falling futimes back to utimes
- // if either fails, handle the first error
- if (entry.mtime && !this.noMtime) {
- const atime = entry.atime || new Date();
- const mtime = entry.mtime;
- try {
- fs.futimesSync(fd, atime, mtime);
- }
- catch (futimeser) {
- try {
- fs.utimesSync(String(entry.absolute), atime, mtime);
- }
- catch (utimeser) {
- er = futimeser;
- }
- }
- }
- if (this[DOCHOWN](entry)) {
- const uid = this[UID](entry);
- const gid = this[GID](entry);
- try {
- fs.fchownSync(fd, Number(uid), Number(gid));
- }
- catch (fchowner) {
- try {
- fs.chownSync(String(entry.absolute), Number(uid), Number(gid));
- }
- catch (chowner) {
- er = er || fchowner;
- }
- }
- }
- oner(er);
- });
- }
- [DIRECTORY](entry, done) {
- const mode = typeof entry.mode === 'number' ?
- entry.mode & 0o7777
- : this.dmode;
- const er = this[MKDIR](String(entry.absolute), mode);
- if (er) {
- this[ONERROR](er, entry);
- done();
- return;
- }
- if (entry.mtime && !this.noMtime) {
- try {
- fs.utimesSync(String(entry.absolute), entry.atime || new Date(), entry.mtime);
- /* c8 ignore next */
- }
- catch (er) { }
- }
- if (this[DOCHOWN](entry)) {
- try {
- fs.chownSync(String(entry.absolute), Number(this[UID](entry)), Number(this[GID](entry)));
- }
- catch (er) { }
- }
- done();
- entry.resume();
- }
- [MKDIR](dir, mode) {
- try {
- return mkdirSync(normalizeWindowsPath(dir), {
- uid: this.uid,
- gid: this.gid,
- processUid: this.processUid,
- processGid: this.processGid,
- umask: this.processUmask,
- preserve: this.preservePaths,
- unlink: this.unlink,
- cache: this.dirCache,
- cwd: this.cwd,
- mode: mode,
- });
- }
- catch (er) {
- return er;
- }
- }
- [LINK](entry, linkpath, link, done) {
- const ls = `${link}Sync`;
- try {
- fs[ls](linkpath, String(entry.absolute));
- done();
- entry.resume();
- }
- catch (er) {
- return this[ONERROR](er, entry);
- }
- }
- }
- //# sourceMappingURL=unpack.js.map
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