Add optional pkginfo to middleware requests to match existing Python implementation

code/cli/munki/shared/network/fetch.swift

@@ -184,13 +184,14 @@ func getURL(
     if pathExists(tempDownloadPath), !resume {
         try? FileManager.default.removeItem(atPath: tempDownloadPath)
     }
-    
+
     let headers = headerDictFromList(customHeaders)
-    
+
     // Run middleware
     var request = MunkiMiddlewareRequest(
         url: url,
-        headers: headers
+        headers: headers,
+        pkginfo: pkginfo
     )
     request = runMiddleware(request)
 
@@ -205,7 +206,7 @@ func getURL(
 
     let ignoreSystemProxy = pref("IgnoreSystemProxies") as? Bool ?? false
 
-    var options = GurlOptions(
+    let options = GurlOptions(
         url: request.url,
         destinationPath: tempDownloadPath,
         additionalHeaders: request.headers,

code/cli/munki/shared/network/middleware/MiddlewareFactory.swift

@@ -66,4 +66,3 @@ func loadMiddlewarePlugin() throws -> MunkiMiddleware? {
     }
     return nil
 }
-

code/cli/munki/shared/network/middleware/MiddlewareProtocol.swift

@@ -23,6 +23,7 @@ import Foundation
 public struct MunkiMiddlewareRequest {
     var url: String
     var headers: [String: String]
+    var pkginfo: PlistDict?
 }
 
 public protocol MunkiMiddleware {