cgrep 6.4.2

Formula/cgrep.rb

@@ -0,0 +1,34 @@
+require "formula"
+require "language/haskell"
+
+class Cgrep < Formula
+  include Language::Haskell::Cabal
+
+  homepage "https://github.com/awgn/cgrep"
+  url "https://github.com/awgn/cgrep/archive/v6.4.2.tar.gz"
+  sha1 "209bc29721bcfdc5652839c54c89ceb2d5a86bf9"
+  head "https://github.com/awgn/cgrep.git", :branch => "master"
+
+  depends_on "ghc" => :build
+  depends_on "cabal-install" => :build
+
+  def install
+    install_cabal_package
+  end
+
+  test do
+    test_string = "String in"
+    path = testpath/"test.rb"
+    path.write <<-EOS.undent
+      # puts #{test_string} comment.
+      puts "#{test_string} literal."
+    EOS
+
+    comment = `cgrep --comment "#{test_string}" #{path}`
+    assert_equal 1, comment.lines.count
+    literal = `cgrep --literal "#{test_string}" #{path}`
+    assert_equal 1, literal.lines.count
+    code = `cgrep --code puts #{path}`
+    assert_equal 1, code.lines.count
+  end
+end