79 lines
2.2 KiB
Ruby
79 lines
2.2 KiB
Ruby
require 'formula'
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require 'ostruct'
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class ProofGeneral < Formula
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homepage 'http://proofgeneral.inf.ed.ac.uk'
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url 'http://proofgeneral.inf.ed.ac.uk/releases/ProofGeneral-4.2.tgz'
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sha1 'c8d2e4457478b9dbf4080d3cf8255325fcffe619'
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option 'with-doc', 'Install HTML documentation'
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option 'with-emacs=', 'Re-compile lisp files with specified emacs'
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def which_emacs
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emacs_binary = ARGV.value('with-emacs')
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if emacs_binary.nil?
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return OpenStruct.new(
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:binary => "",
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:major => 0,
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:empty? => true)
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end
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raise "#{emacs_binary} not found" if not File.exist? "#{emacs_binary}"
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version_info = `#{emacs_binary} --version`
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version_info =~ /GNU Emacs (\d+)\./
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major = $1
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if major != '23' && major != '24'
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raise "Emacs 23.x or 24.x is required; #{major}.x provided."
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end
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return OpenStruct.new(
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:binary => emacs_binary,
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:major => major,
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:empty? => false)
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end
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def install
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ENV.j1 # Otherwise lisp compilation can result in 0-byte files
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emacs = which_emacs
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args = ["PREFIX=#{prefix}",
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"DEST_PREFIX=#{prefix}",
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"ELISPP=share/emacs/site-lisp/ProofGeneral",
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"ELISP_START=#{share}/emacs/site-lisp/site-start.d",
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"EMACS=#{emacs.binary}"];
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Dir.chdir "ProofGeneral" do
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unless emacs.empty?
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# http://proofgeneral.inf.ed.ac.uk/trac/ticket/458
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if emacs.major == "24"
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inreplace 'Makefile', '(setq byte-compile-error-on-warn t)', ''
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end
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system "make clean"
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system "make", "compile", *args
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end
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system "make", "install", *args
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man1.install "doc/proofgeneral.1"
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info.install "doc/ProofGeneral.info", "doc/PG-adapting.info"
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doc.install "doc/ProofGeneral", "doc/PG-adapting" if build.with? "doc"
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end
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end
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def caveats
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doc = ""
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if build.with? "doc"
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doc += <<-EOS.undent
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HTML documentation is available in:
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#{HOMEBREW_PREFIX}/share/doc/proof-general
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EOS
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end
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<<-EOS.undent
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To use ProofGeneral with Emacs, add the following line to your ~/.emacs file:
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(load-file "#{HOMEBREW_PREFIX}/share/emacs/site-lisp/ProofGeneral/generic/proof-site.el")
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#{doc}
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EOS
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end
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end
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