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import PackagePlugin
import Foundation
@main
struct Plugin: BuildToolPlugin {
func createBuildCommands(context: PluginContext, target: Target) async throws -> [Command] {
let witTool = try context.tool(named: "WITTool").path
let fixturesDir = target.directory.appending("Fixtures")
let hostOverlayDir = context.pluginWorkDirectory.appending("GeneratedHostOverlay")
return try FileManager.default.contentsOfDirectory(atPath: fixturesDir.string).compactMap { singleFixture in
let outputFile = hostOverlayDir.appending(singleFixture + "HostOverlay.swift")
let inputFileDir = fixturesDir.appending(singleFixture, "wit")
guard FileManager.default.isDirectory(filePath: inputFileDir.string) else { return nil }
let inputFiles = try FileManager.default.subpathsOfDirectory(atPath: inputFileDir.string).map {
inputFileDir.appending(subpath: $0)
}
return Command.buildCommand(
displayName: "Generating host overlay for \(singleFixture)",
executable: witTool,
arguments: [
"generate-overlay", "--target", "host",
inputFileDir, "-o", outputFile
],
inputFiles: inputFiles,
outputFiles: [outputFile]
)
}
}
}
extension FileManager {
internal func isDirectory(filePath: String) -> Bool {
var isDirectory: ObjCBool = false
let exists = self.fileExists(atPath: filePath, isDirectory: &isDirectory)
return exists && isDirectory.boolValue
}
}
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