lib/packager.js

// Copyright (c) 2019, Compiler Explorer Authors
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//     * Redistributions of source code must retain the above copyright notice,
//       this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.

import tarGzip from 'node-targz';

export class Packager {
    async package(directory, destination) {
        return await this.tarGzFiles(directory, destination);
    }

    unpack(packageFile, destination) {
        return new Promise((resolve, reject) => {
            tarGzip.decompress(
                {
                    source: packageFile,
                    destination: destination,
                },
                err => {
                    if (err) {
                        reject(err);
                    } else {
                        resolve(destination);
                    }
                },
            );
        });
    }

    tarGzFiles(cwd, destination) {
        return new Promise((resolve, reject) => {
            tarGzip.compress(
                {
                    source: cwd,
                    destination: destination,
                    level: 6,
                    memLevel: 6,
                    options: {
                        dereference: true,
                    },
                },
                err => {
                    if (err) {
                        reject(err);
                    } else {
                        resolve(destination);
                    }
                },
            );
        });
    }
}