Livecheck: Surface cached status in debug output

Library/Homebrew/livecheck/livecheck.rb

@@ -526,6 +526,7 @@ module Homebrew
           puts "URL (strategy):   #{strategy_data[:url]}" if strategy_data[:url] != url
           puts "URL (final):      #{strategy_data[:final_url]}" if strategy_data[:final_url]
           puts "Regex (strategy): #{strategy_data[:regex].inspect}" if strategy_data[:regex] != livecheck_regex
+          puts "Cached?:          Yes" if strategy_data[:cached] == true
         end
 
         match_version_map.delete_if do |_match, version|
@@ -568,6 +569,7 @@ module Homebrew
           version_info[:meta][:url][:final] = strategy_data[:final_url] if strategy_data[:final_url]
           version_info[:meta][:strategies] = strategies.map { |s| livecheck_strategy_names[s] } if strategies.present?
           version_info[:meta][:regex] = regex.inspect if regex.present?
+          version_info[:meta][:cached] = true if strategy_data[:cached] == true
         end
 
         return version_info

Library/Homebrew/livecheck/strategy/page_match.rb

@@ -89,6 +89,7 @@ module Homebrew
           match_data = { matches: {}, regex: regex, url: url }
 
           content = if provided_content.is_a?(String)
+            match_data[:cached] = true
             provided_content
           else
             match_data.merge!(Strategy.page_content(url))

Library/Homebrew/test/livecheck/strategy/page_match_spec.rb

@@ -36,6 +36,7 @@ describe Homebrew::Livecheck::Strategy::PageMatch do
   }
 
   let(:page_content_matches) { ["2.6.0", "2.5.0", "2.4.0", "2.3.0", "2.2.0", "2.1.0", "2.0.0", "1.9.0"] }
+
   let(:find_versions_return_hash) {
     {
       matches: {
@@ -53,6 +54,12 @@ describe Homebrew::Livecheck::Strategy::PageMatch do
     }
   }
 
+  let(:find_versions_cached_return_hash) {
+    return_hash = find_versions_return_hash
+    return_hash[:cached] = true
+    return_hash
+  }
+
   describe "::match?" do
     it "returns true for any URL" do
       expect(page_match.match?(url)).to be true
@@ -72,7 +79,7 @@ describe Homebrew::Livecheck::Strategy::PageMatch do
 
   describe "::find_versions?" do
     it "finds versions in provided_content" do
-      expect(page_match.find_versions(url, regex, page_content)).to eq(find_versions_return_hash)
+      expect(page_match.find_versions(url, regex, page_content)).to eq(find_versions_cached_return_hash)
     end
   end
 end