class Glimmer3 < Formula
  homepage "http://ccb.jhu.edu/software/glimmer/index.shtml"
  url "http://ccb.jhu.edu/software/glimmer/glimmer302b.tar.gz"
  version "3.02b"
  sha256 "ecf28e03d0a675aed7360ca34ca7f19993f5c3ea889273e657ced9fa7d1e2bf6"

  depends_on "elph"

  def install
    cd "src" do
      system "make"
    end

    cd "bin" do
      # Lots of binaries with kind of common names. We put these in
      # libexec and not in bin. The shell scripts (see below)
      # know how to call these, because we set the $glimmerpath.
      libexec.install %w[window-acgt start-codon-distrib long-orfs
                         entropy-score build-fixed uncovered score-fixed glimmer3
                         entropy-profile anomaly multi-extract extract build-icm]
    end

    Dir.glob("scripts/*.awk").each do |script|
      inreplace script, "/bin/awk", "/usr/bin/awk"
      libexec.install script
    end

    pkgshare.install Dir.glob("sample-run/*.predict")
    pkgshare.install "sample-run/tpall.fna"

    inreplace "scripts/g3-iterated.csh", "/nfshomes/adelcher", HOMEBREW_PREFIX
    inreplace "scripts/g3-from-training.csh", "/nfshomes/adelcher", HOMEBREW_PREFIX

    Dir.glob("scripts/*.csh").each do |script|
      inreplace script, "/fs/szgenefinding/Glimmer3/scripts", libexec
      inreplace script, "/fs/szgenefinding/Glimmer3", HOMEBREW_PREFIX
      inreplace script, "$glimmerpath", libexec
      bin.install script
    end
  end

  def caveats
    <<-EOS.undent
      Glimmer3 is mostly used by calling the .csh scripts but if you need the
      supporting binaries, they are in
          #{libexec}
    EOS
  end

  test do
    system "g3-from-scratch.csh #{share}/#{name}/tpall.fna test"

    if FileTest.exists? "test.predict"
      `diff test.predict #{share}/#{name}/from-scratch.predict`.empty? ? true : false
    else
      false
    end
  end
end