require 'formula' class TexInstalled < Requirement def message; <<-EOS.undent A TeX/LaTeX installation is required to install. You can obtain the TeX distribution for Mac OS X from: http://www.tug.org/mactex/ EOS end def satisfied? which 'latex' end def fatal? true end end class Auctex < Formula homepage 'http://ftp.gnu.org/pub/gnu/auctex' url 'http://ftpmirror.gnu.org/auctex/auctex-11.86.tar.gz' mirror 'http://ftp.gnu.org/gnu/auctex/auctex-11.86.tar.gz' sha1 'af3dd156f8b2db7764c86d9f7de8abd5811d888a' env :userpaths depends_on TexInstalled.new def options [['--with-emacs=', "Force a different emacs"]] end def which_emacs # check arguments for a different emacs ARGV.each do |a| if a.index('--with-emacs') return a.sub('--with-emacs=', '') end end return `which emacs`.chomp end def install # configure fails if the texmf dir is not there yet brew_texmf = share + 'texmf' brew_texmf.mkpath system "./configure", "--prefix=#{prefix}", "--with-texmf-dir=#{brew_texmf}", "--with-emacs=#{which_emacs}", "--with-lispdir=#{share}/emacs/site-lisp" system "make" ENV.deparallelize # Needs a serialized install system "make install" end def caveats # check if the used emacs is in HOMEBREW_PREFIX/bin # for which case HOMEBREW_PREFIX/share/emacs/site-lisp should already # be by default in the load-path if which_emacs.index("#{HOMEBREW_PREFIX}/bin") dot_emacs = <<-EOS (require 'tex-site) EOS else dot_emacs = <<-EOS (add-to-list 'load-path "#{HOMEBREW_PREFIX}/share/emacs/site-lisp") (require 'tex-site) EOS end <<-EOS.undent texmf files installed into: #{HOMEBREW_PREFIX}/share/texmf/ You can add it to your TEXMFHOME using: sudo tlmgr conf texmf TEXMFHOME "~/Library/texmf:#{HOMEBREW_PREFIX}/share/texmf" Emacs package installed into: #{HOMEBREW_PREFIX}/share/emacs/site-lisp To activate, add the following to your .emacs: #{dot_emacs} EOS end end