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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'
md5 '6bc33a67b6ac59db1aa238f3693b36d2'
depends_on TexInstalled.new
def options
[['--with-emacs=</full/path/to/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
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