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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2020 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import Foundation
public struct ExecutableScript {
public let file: URL
let invocationFile: URL?
@discardableResult
public init(at file: URL, exitCode: Int32, stdout: String? = nil,
stderr: String? = nil,
recordInvocationIn invocationFile: URL? = nil) {
self.file = file
self.invocationFile = invocationFile
var lines = ["#!/usr/bin/env bash"]
if let stdout = stdout {
lines.append("echo '\(stdout)'")
}
if let stderr = stderr {
lines.append("echo '\(stderr)' >&2")
}
if let invocationFile = invocationFile {
lines.append("echo $@ >> \(invocationFile.path)")
}
lines.append("exit \(exitCode)")
let content = lines.joined(separator: "\n").data(using: .utf8)
FileManager.default.createFile(
atPath: file.path, contents: content,
attributes: [FileAttributeKey.posixPermissions: 0o0755])
}
public func retrieveInvocations() -> [Substring] {
let contents = (try? String(contentsOf: invocationFile!).split(separator: "\n")) ?? []
try? FileManager.default.removeItem(at: invocationFile!)
return contents
}
}
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