Update kindle-previewer.rb

Casks/k/kindle-previewer.rb

@@ -1,28 +1,25 @@
 cask "kindle-previewer" do
-  version "3.72"
+  version "3.73.0"
   sha256 :no_check
 
   url "https://d2bzeorukaqrvt.cloudfront.net/KindlePreviewerInstaller.pkg",
       verified: "d2bzeorukaqrvt.cloudfront.net/"
   name "Kindle Previewer"
   desc "Preview and audit Kindle eBooks"
-  homepage "https://www.amazon.com/Kindle-Previewer/b?ie=UTF8&node=21381691011"
+  homepage "https://kdp.amazon.com/en_US/help/topic/G202131170"
 
   livecheck do
-    # url :homepage
-    # regex(/Kindle\s*Previewer\s*(\d+(?:\.\d+)+)/i)
-    skip "Requires :browser user agent"
+    url "https://s3.amazonaws.com/kindlepreviewer/UG_ReleaseNotes_EN.txt"
+    regex(/Kindle\sPreviewer\sv?(\d+(?:\.\d+)+)/i)
   end
 
-  auto_updates true
+  depends_on macos: ">= :catalina"
 
   pkg "KindlePreviewerInstaller.pkg"
 
   uninstall launchctl: "com.amazon.KindlePreviewerUpdater",
-            pkgutil:   "Amazon.Kindle.Previewer.pkg"
+            pkgutil:   "Amazon.Kindle.Previewer.pkg",
+            delete:    "/Library/LaunchDaemons/com.amazon.KindlePreviewerUpdater.plist"
 
-  zap trash: [
-    "/Library/LaunchDaemons/com.amazon.KindlePreviewerUpdater.plist",
-    "~/.kindle",
-  ]
+  zap trash: "~/.kindle"
 end