wip

Plugins/GenerateVersionPlugin/GenerateVersionPlugin.swift

@@ -0,0 +1,30 @@
+import PackagePlugin
+import Foundation
+
+@main
+struct GenerateVersionPlugin: CommandPlugin {
+
+  func performCommand(context: PluginContext, arguments: [String]) async throws {
+    let gitVersion = try context.tool(named: "git-version")
+
+    var arguments = ["generate"] + arguments
+
+    for target in context.package.targets {
+      guard let target = target as? SourceModuleTarget,
+            arguments.first(where: { $0.contains(target.name) }) != nil
+      else { continue }
+
+      let process = Process()
+      process.executableURL = URL(fileURLWithPath: gitVersion.path.string)
+      process.arguments = arguments
+      try process.run()
+      process.waitUntilExit()
+
+      guard process.terminationReason == .exit && process.terminationStatus == 0 else {
+        Diagnostics.error("Reason: \(process.terminationReason), status: \(process.terminationStatus)")
+        return
+      }
+    }
+  }
+}
+