Use 'if #unavailable' instead of 'if #available' to avoid falling into '*' when building for Linux

Author: dfed

Sources/SafeDITool/SafeDITool.swift

@@ -238,10 +238,10 @@ struct SafeDITool: AsyncParsableCommand {
 
 extension Data {
     fileprivate func write(toPath filePath: String) throws {
-        if #available(macOS 13.0, iOS 16.0, tvOS 16.0, watchOS 9.0, *) {
-            try write(to: URL(filePath: filePath))
-        } else {
+        if #unavailable(macOS 13.0, iOS 16.0, tvOS 16.0, watchOS 9.0) {
             try write(to: URL(fileURLWithPath: filePath))
+        } else {
+            try write(to: URL(filePath: filePath))
         }
     }
 }
@@ -252,10 +252,10 @@ extension String {
     }
 
     fileprivate var asFileURL: URL {
-        if #available(macOS 13.0, iOS 16.0, tvOS 16.0, watchOS 9.0, *) {
-            URL(filePath: self)
-        } else {
+        if #unavailable(macOS 13.0, iOS 16.0, tvOS 16.0, watchOS 9.0) {
             URL(fileURLWithPath: self)
+        } else {
+            URL(filePath: self)
         }
     }
 }