homebrew-core/Formula/git.rb

require 'brewkit'

class GitManuals <Formula
  @url='http://kernel.org/pub/software/scm/git/git-manpages-1.6.4.2.tar.bz2'
  @md5='e2bc0cfadb3ba76daee69bfb6dd299ad'
end

class Git <Formula
  @url='http://kernel.org/pub/software/scm/git/git-1.6.4.2.tar.bz2'
  @md5='05c41dc84eae47e3d4fe5b3dee9cc73c'
  @homepage='http://git-scm.com'

  def install
    # if these things are installed, tell git build system to not use them
    ENV['NO_FINK']='1'
    ENV['NO_DARWIN_PORTS']='1'

    system "./configure --prefix=#{prefix}"
    system "make install"

    # these files are exact copies of the git binary, so like the contents
    # of libexec/git-core lets hard link them
    # I am assuming this is an overisght by the git devs
    %w[git-receive-pack git-upload-archive].each do |fn|
      next unless (bin+'git').stat.size == (bin+fn).stat.size
      (bin+fn).unlink
      (bin+fn).make_link bin+'git'
    end

    # we could build the manpages ourselves, but the build process depends
    # on many other packages, and is somewhat crazy, this way is easier
    GitManuals.new.brew { man.install Dir['*'] }
  end
end