cinebench: update livecheck

Casks/c/cinebench.rb

@@ -7,9 +7,27 @@ cask "cinebench" do
   desc "Hardware benchmarking utility"
   homepage "https://www.maxon.net/products/cinebench/"
 
+  # The content of the Downloads page is kept in a `payload.js` file but the
+  # URL contains a numeric identifier that changes when the website is updated.
+  # As such, we have to identify the JS file URL from the Downloads page HTML
+  # before fetching and checking the JS file for version information.
   livecheck do
-    url "https://www.maxon.net/_nuxt/static/1697633267/en/downloads/cinebench-2024-downloads/payload.js"
-    regex(/Cinebench(\d+(?:\.\d+)*)(?:_macOS\.dmg)/i)
+    url "https://www.maxon.net/en/downloads"
+    regex(/cinebench-?[rv]?(\d+(?:\.\d+)*)-downloads/i)
+    strategy :page_match do |page, regex|
+      # Find the current JS file URL on the Downloads page
+      js_match = page.match(%r{href=["']?([^"' >]+?/en/downloads/payload.js[^"' >]*?)}i)
+      next if js_match.blank?
+
+      # Fetch the JS file (using the absolute URL)
+      js_response = Homebrew::Livecheck::Strategy.page_content(
+        URI.join(@url, js_match[1]).to_s,
+      )
+      next if (js_content = js_response[:content]).blank?
+
+      # Identify the version from the versioned downloads page URL
+      js_content.scan(regex).map { |match| match[0] }
+    end
   end
 
   depends_on macos: ">= :big_sur"