obs@beta: migrate

Casks/o/obs@beta.rb

@@ -0,0 +1,46 @@
+cask "obs@beta" do
+  arch arm: "Apple", intel: "Intel"
+  livecheck_folder = on_arch_conditional arm: "arm64", intel: "x86_64"
+
+  version "30.1.0-rc1"
+  sha256 arm:   "2a749d1308029a039e4cad6223076d90fa30a86c11e1e1271ac82ae7596624fe",
+         intel: "15af4c79230a18f7e48cb1c2182b97b13b09420130cccf805814cbe77c009c41"
+
+  url "https://cdn-fastly.obsproject.com/downloads/OBS-Studio-#{version}-macOS-#{arch}.dmg"
+  name "OBS"
+  desc "Open-source software for live streaming and screen recording"
+  homepage "https://obsproject.com/forum/list/test-builds.20/"
+
+  livecheck do
+    url "https://obsproject.com/osx_update/updates_#{livecheck_folder}_v2.xml"
+    regex(/obs[._-]studio[._-](\d+(?:[.-]\d+)+(?:(?:-beta)|(?:-rc))\d+)[._-]macos/i)
+    strategy :sparkle do |items, regex|
+      items.find { |item| item.channel == "beta" }&.url&.scan(regex)&.flatten
+    end
+  end
+
+  auto_updates true
+  conflicts_with cask: "obs"
+  depends_on macos: ">= :big_sur"
+
+  app "OBS.app"
+  # shim script (https://github.com/Homebrew/homebrew-cask/issues/18809)
+  shimscript = "#{staged_path}/obs.wrapper.sh"
+  binary shimscript, target: "obs"
+
+  preflight do
+    File.write shimscript, <<~EOS
+      #!/bin/bash
+      exec '#{appdir}/OBS.app/Contents/MacOS/OBS' "$@"
+    EOS
+  end
+
+  uninstall delete: "/Library/CoreMediaIO/Plug-Ins/DAL/obs-mac-virtualcam.plugin"
+
+  zap trash: [
+    "~/Library/Application Support/obs-studio",
+    "~/Library/HTTPStorages/com.obsproject.obs-studio",
+    "~/Library/Preferences/com.obsproject.obs-studio.plist",
+    "~/Library/Saved Application State/com.obsproject.obs-studio.savedState",
+  ]
+end