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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2024 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
import SwiftExtensions
import ToolchainRegistry
import struct TSCBasic.AbsolutePath
/// Create a folder that contains all files that should be necessary to reproduce a sourcekitd crash.
/// - Parameters:
/// - requestInfo: The reduced request info
/// - toolchain: The toolchain that was used to reduce the request
/// - bundlePath: The path to which to write the reproducer bundle
func makeReproducerBundle(for requestInfo: RequestInfo, toolchain: Toolchain, bundlePath: URL) throws {
try FileManager.default.createDirectory(at: bundlePath, withIntermediateDirectories: true)
try requestInfo.fileContents.write(
to: bundlePath.appendingPathComponent("input.swift"),
atomically: true,
encoding: .utf8
)
if let toolchainPath = toolchain.path {
try toolchainPath.realpath.filePath
.write(
to: bundlePath.appendingPathComponent("toolchain.txt"),
atomically: true,
encoding: .utf8
)
}
if requestInfo.requestTemplate == RequestInfo.fakeRequestTemplateForFrontendIssues {
let command =
"swift-frontend \\\n"
+ requestInfo.compilerArgs.replacing(["$FILE"], with: ["./input.swift"]).joined(separator: " \\\n")
try command.write(to: bundlePath.appendingPathComponent("command.sh"), atomically: true, encoding: .utf8)
} else {
let request = try requestInfo.request(for: URL(fileURLWithPath: "/input.swift"))
try request.write(
to: bundlePath.appendingPathComponent("request.yml"),
atomically: true,
encoding: .utf8
)
}
for compilerArg in requestInfo.compilerArgs {
// Find the first slash so we are also able to copy files from eg.
// `-fmodule-map-file=/path/to/module.modulemap`
// `-I/foo/bar`
guard let firstSlash = compilerArg.firstIndex(of: "/") else {
continue
}
let path = compilerArg[firstSlash...]
guard !path.contains(".app"), !path.contains(".xctoolchain"), !path.contains("/usr/") else {
// Don't include files in Xcode (.app), Xcode toolchains or usr because they are most likely binary files that
// aren't user specific and would bloat the reproducer bundle.
continue
}
let dest = URL(fileURLWithPath: try bundlePath.filePath + path)
try? FileManager.default.createDirectory(at: dest.deletingLastPathComponent(), withIntermediateDirectories: true)
try? FileManager.default.copyItem(at: URL(fileURLWithPath: String(path)), to: dest)
}
}
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