From aae91cacae80a724efd119a2bcb9fc5371228e38 Mon Sep 17 00:00:00 2001
From: Sam Ford <1584702+samford@users.noreply.github.com>
Date: Sat, 2 Jan 2021 18:01:10 -0500
Subject: [PATCH] Livecheck: Skip Internet Archive stable URLs

---
 Library/Homebrew/livecheck/livecheck.rb          |  4 ++++
 .../Homebrew/test/livecheck/livecheck_spec.rb    | 16 ++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/Library/Homebrew/livecheck/livecheck.rb b/Library/Homebrew/livecheck/livecheck.rb
index 8744118b0d..eaf32fbf7a 100644
--- a/Library/Homebrew/livecheck/livecheck.rb
+++ b/Library/Homebrew/livecheck/livecheck.rb
@@ -357,15 +357,19 @@ module Homebrew
       stable_from_google_code_archive = formula&.stable&.url&.match?(
         %r{https?://storage\.googleapis\.com/google-code-archive-downloads/}i,
       )
+      stable_from_internet_archive = formula&.stable&.url&.match?(%r{https?://web\.archive\.org/}i)
       stable_is_gist = formula&.stable&.url&.match?(%r{https?://gist\.github(?:usercontent)?\.com/}i)
       if formula_or_cask.livecheck.skip? ||
          ((stable_from_google_code_archive ||
+         stable_from_internet_archive ||
          stable_is_gist) && !formula&.livecheckable?)
         skip_message = if formula_or_cask.livecheck.skip_msg.is_a?(String) &&
                           formula_or_cask.livecheck.skip_msg.present?
           formula_or_cask.livecheck.skip_msg.to_s.presence
         elsif stable_from_google_code_archive
           "Stable URL is from Google Code Archive"
+        elsif stable_from_internet_archive
+          "Stable URL is from Internet Archive"
         elsif stable_is_gist
           "Stable URL is a GitHub Gist"
         end
diff --git a/Library/Homebrew/test/livecheck/livecheck_spec.rb b/Library/Homebrew/test/livecheck/livecheck_spec.rb
index 00539791fa..de46d7341d 100644
--- a/Library/Homebrew/test/livecheck/livecheck_spec.rb
+++ b/Library/Homebrew/test/livecheck/livecheck_spec.rb
@@ -241,6 +241,22 @@ describe Homebrew::Livecheck do
       end
     end
 
+    context "a formula with an Internet Archive stable URL" do
+      let(:f_internet_archive) do
+        formula("test_internet_archive") do
+          desc "Internet Archive test formula"
+          homepage "https://brew.sh"
+          url "https://web.archive.org/web/20200101000000/https://brew.sh/test-0.0.1.tgz"
+        end
+      end
+
+      it "skips" do
+        expect { livecheck.skip_conditions(f_internet_archive) }
+          .to output("test_internet_archive : skipped - Stable URL is from Internet Archive\n").to_stdout
+          .and not_to_output.to_stderr
+      end
+    end
+
     context "a formula with a `livecheck` block containing `skip`" do
       let(:f_skip) do
         formula("test_skip") do