require 'formula'

class Cppcheck < Formula
  homepage 'http://sourceforge.net/apps/mediawiki/cppcheck/index.php?title=Main_Page'
  url 'https://github.com/danmar/cppcheck/archive/1.60.1.tar.gz'
  sha1 '733ee20f5a9f5c991e142dd4ea3bd997a93ddf51'

  head 'https://github.com/danmar/cppcheck.git'

  option 'no-rules', "Build without rules (no pcre dependency)"
  option 'with-gui', "Build the cppcheck gui (requires Qt)"

  depends_on 'pcre' unless build.include? 'no-rules'
  depends_on 'qt' if build.include? 'with-gui'

  def install
    # Man pages aren't installed as they require docbook schemas.

    # Pass to make variables.
    if build.include? 'no-rules'
      system "make", "HAVE_RULES=no"
    else
      system "make", "HAVE_RULES=yes"
    end

    system "make", "DESTDIR=#{prefix}", "BIN=#{bin}", "install"

    if build.include? 'with-gui'
      cd "gui" do
        if build.include? 'no-rules'
          system "qmake", "HAVE_RULES=no"
        else
          system "qmake"
        end

        system "make"
        bin.install "cppcheck-gui.app"
      end
    end
  end

  def test
    system "#{bin}/cppcheck", "--version"
  end

  def caveats; <<-EOS.undent
    --with-gui installs cppcheck-gui.app in:
      #{bin}

    To link the application to a normal Mac OS X location:
      brew linkapps
    or:
      ln -s #{bin}/cppcheck-gui.app /Applications
    EOS
  end
end