luyten 0.4.4 (new formula)

Closes Homebrew/homebrew#40163.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Formula/luyten.rb

@@ -0,0 +1,33 @@
+class Luyten < Formula
+  homepage "https://deathmarine.github.io/Luyten/"
+  desc "An Open Source Java Decompiler Gui for Procyon"
+  url "https://github.com/deathmarine/Luyten/releases/download/v0.4.4/luyten-0.4.4.jar", :using => :nounzip
+  sha256 "73d57db704952b5331b3bb2132e1a31a2b56df443a32b0fef336473428a0dcb1"
+
+  head do
+    url "https://github.com/deathmarine/Luyten.git"
+    depends_on "maven" => :build
+  end
+
+  depends_on :java => "1.7+"
+
+  def install
+    if build.head?
+      ver = `mvn org.apache.maven.plugins:maven-help-plugin:evaluate -Dexpression=project.version`.split.grep(/^\d+\.\d+\.\d+/).uniq.first
+      system "mvn", "clean", "package"
+      libexec.install "target/luyten-#{ver}.jar"
+    else
+      ver = "#{version}"
+      libexec.install "luyten-#{ver}.jar"
+    end
+    bin.write_jar_script libexec/"luyten-#{ver}.jar", "luyten"
+  end
+
+  test do
+    io = IO.popen("luyten")
+    sleep 5
+    Process.kill("SIGINT", io.pid)
+    Process.wait(io.pid)
+    io.read !~ /Exception/
+  end
+end