New formula: gregorio

Library/Formula/gregorio.rb

@@ -0,0 +1,33 @@
+require 'formula'
+
+class Gregorio < Formula
+  url 'http://download.gna.org/gregorio/releases/current/gregorio-2.0.tar.gz'
+  homepage 'http://home.gna.org/gregorio/'
+  md5 '53994e8ea7f3fe4148a66262b6c7d144'
+  head 'svn://svn.gna.org/svn/gregorio/trunk'
+  depends_on 'fontforge'
+
+  if ARGV.build_head?
+    depends_on 'gettext'
+  end
+
+  def install
+    if ARGV.build_head?
+      system "brew link gettext"
+      system "autoreconf", "-f", "-i"
+      system "brew unlink gettext"
+    end
+
+    system "./configure", "--disable-dependency-tracking",
+                          "--prefix=#{prefix}"
+    system "make"
+    system "make install"
+  end
+
+  def caveats; <<-EOS.undent
+    Gregorio requires a TeX Live installation to run.
+    Instead of installing a TeX system through Homebrew,
+    we recommend using a MacTeX distribution: http://www.tug.org/mactex/
+    EOS
+  end
+end