Merge pull request #160621 from samford/livecheck/github-readme-checks

Update some livecheck blocks to check GitHub README file

Casks/i/itunes-volume-control.rb

@@ -1,6 +1,6 @@
 cask "itunes-volume-control" do
   version "1.7.5"
-  sha256 "606b6341d14a0c5833dba70d25e2afe5709e4d860bb4b3c1f23d0fdded1b7ee2"
+  sha256 "0d4d22476e3a1b4891e335d86eb28c46fe663bd6d3226d3a8d0ad5d6a5de76d9"
 
   url "https://raw.githubusercontent.com/alberti42/Volume-Control/main/Releases/VolumeControl-v#{version}.zip",
       verified: "raw.githubusercontent.com/alberti42/Volume-Control/main/Releases/"
@@ -8,10 +8,11 @@ cask "itunes-volume-control" do
   desc "Control the volume of Apple Music and Spotify using keyboard volume keys"
   homepage "https://github.com/alberti42/Volume-Control"
 
+  # Upstream doesn't use GitHub releases or reliably create tags for new
+  # versions. Instead, we match the file links in the README.
   livecheck do
-    url "https://github.com/alberti42/Volume-Control#versions"
-    regex(%r{href=.*?/VolumeControl[._-]v?(\d+(?:\.\d+)+)\.zip}i)
-    strategy :page_match
+    url "https://raw.githubusercontent.com/alberti42/Volume-Control/main/README.md"
+    regex(/VolumeControl[._-]v?(\d+(?:\.\d+)+)\.zip/i)
   end
 
   auto_updates true

Casks/m/mtgaprotracker.rb

@@ -8,10 +8,12 @@ cask "mtgaprotracker" do
   desc "Advanced Magic: The Gathering Arena tracking tool"
   homepage "https://mtgarena.pro/mtga-pro-tracker/"
 
+  # GitHub releases don't regularly provide a file for macOS. We check the link
+  # to the latest Mac version from the README, as it's unlikely for there to be
+  # a release with a macOS file in the recent releases.
   livecheck do
-    url "https://github.com/Razviar/mtgap/"
-    regex(/Mac\sversion.*?(\d+(?:\.\d+)+)/i)
-    strategy :page_match
+    url "https://raw.githubusercontent.com/Razviar/mtgap/master/README.md"
+    regex(/Mac(?:OS)?\s+version.*?v?(\d+(?:\.\d+)+)/i)
   end
 
   app "mtgaprotracker.app"