From 1857e0ebfac0a9d8f62b71362e64a23b1bc590a1 Mon Sep 17 00:00:00 2001
From: Markus Reiter <me@reitermark.us>
Date: Sun, 13 Dec 2020 17:09:25 +0100
Subject: [PATCH] Skip discontinued, latest and unversioned casks.

---
 Library/Homebrew/livecheck/livecheck.rb | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/Library/Homebrew/livecheck/livecheck.rb b/Library/Homebrew/livecheck/livecheck.rb
index 1b31956e1a..8af477178a 100644
--- a/Library/Homebrew/livecheck/livecheck.rb
+++ b/Library/Homebrew/livecheck/livecheck.rb
@@ -269,6 +269,7 @@ module Homebrew
     # @return [Hash, nil, Boolean]
     def skip_conditions(formula_or_cask, json: false, full_name: false, quiet: false, verbose: false)
       formula = formula_or_cask if formula_or_cask.is_a?(Formula)
+      cask = formula_or_cask if formula_or_cask.is_a?(Cask::Cask)
 
       if formula&.deprecated? && !formula.livecheckable?
         return status_hash(formula, "deprecated", full_name: full_name, verbose: verbose) if json
@@ -277,6 +278,13 @@ module Homebrew
         return
       end
 
+      if cask&.discontinued? && !cask.livecheckable?
+        return status_hash(cask, "discontinued", args: args) if args.json?
+
+        puts "#{Tty.red}#{cask_name(cask, args: args)}#{Tty.reset} : discontinued" unless args.quiet?
+        return
+      end
+
       if formula&.disabled? && !formula.livecheckable?
         return status_hash(formula, "disabled", full_name: full_name, verbose: verbose) if json
 
@@ -291,6 +299,20 @@ module Homebrew
         return
       end
 
+      if cask&.version&.latest? && !cask.livecheckable?
+        return status_hash(cask, "latest", args: args) if args.json?
+
+        puts "#{Tty.red}#{cask_name(cask, args: args)}#{Tty.reset} : latest" unless args.quiet?
+        return
+      end
+
+      if cask&.url&.unversioned? && !cask.livecheckable?
+        return status_hash(cask, "unversioned", args: args) if args.json?
+
+        puts "#{Tty.red}#{cask_name(cask, args: args)}#{Tty.reset} : unversioned" unless args.quiet?
+        return
+      end
+
       if formula&.head_only? && !formula.any_version_installed?
         head_only_msg = "HEAD only formula must be installed to be livecheckable"
         return status_hash(formula, "error", [head_only_msg], full_name: full_name, verbose: verbose) if json