fs: fix cpSync handle existing symlinks · nodejs/node@d2931e5

if (!isAbsolute(resolvedDest)) {

resolvedDest = resolve(dirname(dest), resolvedDest);

}

if (isSrcSubdir(resolvedSrc, resolvedDest)) {

const srcIsDir = fsBinding.internalModuleStat(src) === 1;

if (srcIsDir && isSrcSubdir(resolvedSrc, resolvedDest)) {

throw new ERR_FS_CP_EINVAL({

message: `cannot copy ${resolvedSrc} to a subdirectory of self ` +

`${resolvedDest}`,

writeFileSync,

} = fs;

import net from 'net';

import { join } from 'path';

import { join, resolve } from 'path';

import { pathToFileURL } from 'url';

import { setTimeout } from 'timers/promises';

);

}

// It allows copying when is not a directory

{

const src = nextdir();

const dest = nextdir();

mkdirSync(src, mustNotMutateObjectDeep({ recursive: true }));

writeFileSync(`${src}/test.txt`, 'test');

symlinkSync(resolve(`${src}/test.txt`), join(src, 'link.txt'));

cpSync(src, dest, mustNotMutateObjectDeep({ recursive: true }));

cpSync(src, dest, mustNotMutateObjectDeep({ recursive: true }));

}

// It throws error if symlink in dest points to location in src.

{

const src = nextdir();