DataUtilities.swift

// Copyright 2020 The TensorFlow Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import Foundation

#if canImport(FoundationNetworking)
import FoundationNetworking
#endif

public func extract(zipFileAt source: URL, to destination: URL) throws {
    print("Extracting file at '\(source.path)'.")
    let process = Process()
    process.environment = ProcessInfo.processInfo.environment
    process.executableURL = URL(fileURLWithPath: "/bin/bash")
    process.arguments = ["-c", "unzip -d \(destination.path) \(source.path)"]
    try process.run()
    process.waitUntilExit()
}

public func extract(tarGZippedFileAt source: URL, to destination: URL) throws {
    print("Extracting file at '\(source.path)'.")
    try FileManager.default.createDirectory(
        at: destination,
        withIntermediateDirectories: false)
    let process = Process()
    process.environment = ProcessInfo.processInfo.environment
    process.executableURL = URL(fileURLWithPath: "/bin/bash")
    process.arguments = ["-c", "tar -C \(destination.path) -xzf \(source.path)"]
    try process.run()
    process.waitUntilExit()
}