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wip build inside a Swift script instead
TODO sort out linting, gitignore, etc
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| { | ||
| "originHash" : "422fe248db2d0a796fdbfcd73b31069c259a3cc7bfb84dd769af3bd9c6fd84c4", | ||
| "pins" : [ | ||
| { | ||
| "identity" : "swift-argument-parser", | ||
| "kind" : "remoteSourceControl", | ||
| "location" : "https://github.com/apple/swift-argument-parser", | ||
| "state" : { | ||
| "revision" : "41982a3656a71c768319979febd796c6fd111d5c", | ||
| "version" : "1.5.0" | ||
| } | ||
| } | ||
| ], | ||
| "version" : 3 | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| // swift-tools-version: 5.10 | ||
| // The swift-tools-version declares the minimum version of Swift required to build this package. | ||
|
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| import PackageDescription | ||
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| // TODO: explain why a separate package | ||
|
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| let package = Package( | ||
| name: "AblyChatBuildTools", | ||
| platforms: [ | ||
| .macOS(.v14), | ||
| ], | ||
| dependencies: [ | ||
| .package(url: "https://github.com/apple/swift-argument-parser", from: "1.5.0"), | ||
| ], | ||
| targets: [ | ||
| .executableTarget(name: "BuildTool", dependencies: [.product(name: "ArgumentParser", package: "swift-argument-parser")], swiftSettings: [.enableUpcomingFeature("StrictConcurrency")]), | ||
| ] | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,167 @@ | ||
| import ArgumentParser | ||
| import Foundation | ||
|
|
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| struct DestinationPredicate { | ||
| // TODO: document | ||
| var runtime: String | ||
| var deviceType: String | ||
| } | ||
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| enum Platform: String { | ||
| case macOS | ||
| case iOS | ||
| case tvOS | ||
|
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| // TODO: why is xcodebuild giving locally with iOS "--- xcodebuild: WARNING: Using the first of multiple matching destinations:" | ||
| var destinationPredicate: DestinationPredicate? { | ||
| switch self { | ||
| case .macOS: nil | ||
| case .iOS: .init(runtime: "iOS-17-4", deviceType: "iPhone-15") | ||
| case .tvOS: .init(runtime: "tvOS", deviceType: "TODO") | ||
| } | ||
| } | ||
| } | ||
|
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| extension Platform: ExpressibleByArgument { | ||
| init?(argument: String) { | ||
| self.init(rawValue: argument) | ||
| } | ||
| } | ||
|
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| struct SimctlOutput: Codable { | ||
| var devices: [String: [Device]] | ||
|
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| struct Device: Codable { | ||
| var udid: String | ||
| var deviceTypeIdentifier: String | ||
| } | ||
| } | ||
|
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| enum Error: Swift.Error { | ||
| case terminatedWithExitCode(Int32) | ||
| } | ||
|
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| @main | ||
| struct BuildTool: ParsableCommand { | ||
| @Option | ||
| var platform: Platform | ||
|
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| @Option | ||
| var swiftVersion: Int | ||
|
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| mutating func run() throws { | ||
| print("got platform \(platform)") | ||
| let deviceUDID: String? = if let destinationPredicate = platform.destinationPredicate { | ||
| try fetchDeviceUDID(destinationPredicate: destinationPredicate) | ||
| } else { | ||
| nil | ||
| } | ||
|
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| // This tool runs from the repo’s `script` directory, so change into the repo root | ||
| FileManager.default.changeCurrentDirectoryPath("..") | ||
| try runXcodebuild(action: nil, deviceUDID: deviceUDID) | ||
| try runXcodebuild(action: "test", deviceUDID: deviceUDID) | ||
| } | ||
|
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| func runXcodebuild(action: String?, deviceUDID: String?) throws { | ||
| var arguments: [String] = [] | ||
|
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| if let action { | ||
| arguments.append(action) | ||
| } | ||
|
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| arguments.append(contentsOf: ["-scheme", "AblyChat"]) | ||
|
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| if let deviceUDID { | ||
| arguments.append(contentsOf: ["-destination", "id=\(deviceUDID)"]) | ||
| } | ||
|
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| arguments.append(contentsOf: [ | ||
| "SWIFT_TREAT_WARNINGS_AS_ERRORS=YES", | ||
| "SWIFT_VERSION=\(swiftVersion)", | ||
| ]) | ||
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| try run(executableName: "xcodebuild", arguments: arguments) | ||
| } | ||
|
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| func fetchDeviceUDID(destinationPredicate: DestinationPredicate) throws -> String { | ||
| let simctlOutput = try fetchSimctlOutput() | ||
|
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| let runtimeIdentifier = "com.apple.CoreSimulator.SimRuntime.\(destinationPredicate.runtime)" | ||
| let deviceTypeIdentifier = "com.apple.CoreSimulator.SimDeviceType.\(destinationPredicate.deviceType)" | ||
| guard let matchingDevices = simctlOutput.devices[runtimeIdentifier]?.filter({ $0.deviceTypeIdentifier == deviceTypeIdentifier }) else { | ||
| fatalError("Couldn’t find a simulator with runtime \(runtimeIdentifier) and device type \(deviceTypeIdentifier); available devices are \(simctlOutput.devices)") | ||
| } | ||
|
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| if matchingDevices.count > 1 { | ||
| fatalError("Found multiple simulators with runtime \(runtimeIdentifier) and device type \(deviceTypeIdentifier); matching devices are \(matchingDevices)") | ||
| } | ||
|
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| return matchingDevices[0].udid | ||
| } | ||
|
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| func fetchSimctlOutput() throws -> SimctlOutput { | ||
| let data = try runAndReturnStdout( | ||
| executableName: "xcrun", | ||
| arguments: ["simctl", "list", "--json"] | ||
| ) | ||
|
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| return try JSONDecoder().decode(SimctlOutput.self, from: data) | ||
| } | ||
|
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| // I would have liked to use Swift concurrency for this but it felt like it would be a bit of a faff and it’s only a script. There’s a proposal for a Subprocess API coming up in Foundation which will marry Process with Swift concurrency. | ||
| private func run(executableName: String, arguments: [String]) throws { | ||
| let process = Process() | ||
| process.executableURL = URL(fileURLWithPath: "/usr/bin/env") | ||
| process.arguments = [executableName] + arguments | ||
|
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| let semaphore = DispatchSemaphore(value: 0) | ||
|
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| process.terminationHandler = { _ in | ||
| semaphore.signal() | ||
| } | ||
|
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| try process.run() | ||
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| semaphore.wait() | ||
|
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| if process.terminationStatus != 0 { | ||
| throw Error.terminatedWithExitCode(process.terminationStatus) | ||
| } | ||
| } | ||
|
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| // I would have liked to use Swift concurrency for this but it felt like it would be a bit of a faff and it’s only a script. There’s a proposal for a Subprocess API coming up in Foundation which will marry Process with Swift concurrency. | ||
| private func runAndReturnStdout(executableName: String, arguments: [String]) throws -> Data { | ||
| let process = Process() | ||
| process.executableURL = URL(fileURLWithPath: "/usr/bin/env") | ||
| process.arguments = [executableName] + arguments | ||
|
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| let standardOutput = Pipe() | ||
| process.standardOutput = standardOutput | ||
|
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| let semaphore = DispatchSemaphore(value: 0) | ||
|
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| process.terminationHandler = { _ in | ||
| semaphore.signal() | ||
| } | ||
|
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| try process.run() | ||
|
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| var stdoutData = Data() | ||
| while true { | ||
| if let data = try standardOutput.fileHandleForReading.readToEnd() { | ||
| stdoutData.append(data) | ||
| } else { | ||
| break | ||
| } | ||
| } | ||
|
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| semaphore.wait() | ||
|
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| if process.terminationStatus != 0 { | ||
| throw Error.terminatedWithExitCode(process.terminationStatus) | ||
| } | ||
|
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| return stdoutData | ||
| } | ||
| } |