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Use the potentially more efficient fs.copyFileSync() instead of reading the whole file in and writing the whole file out in JavaScript. PR-URL: https://github.com/nodejs/node/pull/20340 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Tobias Nießen <tniessen@tnie.de> Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com> Reviewed-By: Khaidi Chu <i@2333.moe> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
66 lines
2.3 KiB
JavaScript
66 lines
2.3 KiB
JavaScript
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const fs = require('fs');
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const { COPYFILE_FICLONE } = fs.constants;
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const path = require('path');
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const tmpdir = require('../common/tmpdir');
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const msg = { test: 'this' };
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const nodePath = process.execPath;
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const copyPath = path.join(tmpdir.path, 'node-copy.exe');
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const { addLibraryPath } = require('../common/shared-lib-util');
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addLibraryPath(process.env);
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if (process.env.FORK) {
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assert(process.send);
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assert.strictEqual(process.argv[0], copyPath);
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process.send(msg);
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process.exit();
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} else {
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tmpdir.refresh();
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try {
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fs.unlinkSync(copyPath);
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} catch (e) {
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if (e.code !== 'ENOENT') throw e;
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}
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fs.copyFileSync(nodePath, copyPath, COPYFILE_FICLONE);
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fs.chmodSync(copyPath, '0755');
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// slow but simple
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const envCopy = JSON.parse(JSON.stringify(process.env));
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envCopy.FORK = 'true';
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const child = require('child_process').fork(__filename, {
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execPath: copyPath,
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env: envCopy
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});
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child.on('message', common.mustCall(function(recv) {
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assert.deepStrictEqual(msg, recv);
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}));
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child.on('exit', common.mustCall(function(code) {
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fs.unlinkSync(copyPath);
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assert.strictEqual(code, 0);
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}));
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}
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