Add RustRover EAP cask (#1021)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: Goooler <10363352+Goooler@users.noreply.github.com>
Co-authored-by: Goooler <wangzongler@gmail.com>

Author: Copilot

Casks/rustrover-eap.rb

@@ -0,0 +1,50 @@
+cask "rustrover-eap" do
+  arch arm: "-aarch64"
+
+  version "2026.1,261.21525.29"
+  sha256 intel: "b06ffb36014d6f7dafc80fee8cb7ee9568f7071945b9ba0b7895eaa1399d4671",
+         arm:   "0f8177f584f535d1542a0caa3704f3f20641ca0bce629390e613ccd28804da22"
+
+  url "https://download.jetbrains.com/rustrover/RustRover-#{version.csv.second}#{arch}.dmg"
+  name "RustRover EAP"
+  desc "Rust IDE (EAP)"
+  homepage "https://www.jetbrains.com/rust/nextversion/"
+
+  livecheck do
+    url "https://data.services.jetbrains.com/products/releases?code=RR&latest=true&type=eap"
+    strategy :json do |json|
+      json["RR"]&.map do |release|
+        version = release["version"]
+        build = release["build"]
+        next if version.blank? || build.blank?
+
+        "#{version},#{build}"
+      end
+    end
+  end
+
+  auto_updates true
+
+  # The application path is often inconsistent between versions
+  rename "RustRover*.app", "RustRover EAP.app"
+
+  app "RustRover EAP.app"
+  binary "#{appdir}/RustRover EAP.app/Contents/MacOS/rustrover", target: "rustrover-eap"
+
+  uninstall_postflight do
+    ENV["PATH"].split(File::PATH_SEPARATOR).map { |path| File.join(path, "rustrover") }.each do |path|
+      if File.readable?(path) &&
+         File.readlines(path).grep(/# see com.intellij.idea.SocketLock for the server side of this interface/).any?
+        File.delete(path)
+      end
+    end
+  end
+
+  zap trash: [
+    "~/Library/Application Support/JetBrains/RustRover#{version.csv.first}",
+    "~/Library/Caches/JetBrains/RustRover#{version.csv.first}",
+    "~/Library/Logs/JetBrains/RustRover#{version.csv.first}",
+    "~/Library/Preferences/com.jetbrains.RustRover-EAP.plist",
+    "~/Library/Saved Application State/com.jetbrains.RustRover-EAP.savedState",
+  ]
+end

README.md

@@ -27,6 +27,7 @@ casks.
 - `pycharm-eap`
 - `rider-eap`
 - `rubymine-eap`
+- `rustrover-eap`
 - `webstorm-eap`
 
 FYI, Android Studio has beta and canary channel instead of EAP, and casks for