resgen.swift/Sources/CLIToolCore/CLIToolCore.swift

64 lines
2.1 KiB
Swift

//
// CLIToolCore.swift
//
//
// Created by Thibaut Schmitt on 13/12/2021.
//
import Foundation
public class Shell {
@discardableResult
public static func shell(_ args: String...) -> (terminationStatus: Int32, output: String?) {
let task = Process()
task.launchPath = "/usr/bin/env"
task.arguments = args
let pipe = Pipe()
task.standardOutput = pipe
task.launch()
task.waitUntilExit()
let data = pipe.fileHandleForReading.readDataToEndOfFile()
guard let output: String = String(data: data, encoding: .utf8) else {
return (terminationStatus: task.terminationStatus, output: nil)
}
return (terminationStatus: task.terminationStatus, output: output)
}
}
public class GeneratorChecker {
/// Return `true` if inputFile is newer than extensionFile, otherwise `false`
public static func shouldGenerate(force: Bool, inputFilePath: String, extensionFilePath: String) -> Bool {
guard force == false else {
return true
}
// If inputFile is newer that generated extension -> Regenerate
let extensionFileURL = URL(fileURLWithPath: extensionFilePath)
let inputFileURL = URL(fileURLWithPath: inputFilePath)
let extensionRessourceValues = try? extensionFileURL.resourceValues(forKeys: [URLResourceKey.contentModificationDateKey])
let inputFileRessourceValues = try? inputFileURL.resourceValues(forKeys: [URLResourceKey.contentModificationDateKey])
if let extensionModificationDate = extensionRessourceValues?.contentModificationDate,
let inputFileModificationDate = inputFileRessourceValues?.contentModificationDate {
if inputFileModificationDate >= extensionModificationDate {
print("Input file is newer that generated extension.")
return true
} else {
return false
}
}
// ModificationDate not available for both file
print("⚠️ Could not compare file modication date. ⚠️")
return true
}
}