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require 'formula'
class GnuChess < Formula
homepage 'http://www.gnu.org/software/chess/'
url 'http://ftpmirror.gnu.org/chess/gnuchess-6.0.1.tar.gz'
mirror 'http://ftp.gnu.org/gnu/chess/gnuchess-6.0.1.tar.gz'
md5 '041888218f73886f146fa7fbf92190de'
def install
# Opening book for gnuchess. This can be put in the doc directory and the
# user can optionally add the opening book. The README has details on
# adding the opening book.
book_url = "http://ftpmirror.gnu.org/chess/book_1.02.pgn.gz"
ohai "Downloading #{book_url}"
curl book_url, "-O"
system "./configure", "--disable-debug", "--disable-dependency-tracking", "--prefix=#{prefix}"
system "make"
ENV.j1 # Prevents a "file already exists" warning
system "make install"
doc.install Dir['doc/*', 'TODO', 'book_1.02.pgn.gz', 'book']
end
def caveats; <<-EOS.undent
The README file contains a manual for use:
#{doc}/README
This formula also downloads the additional opening book. The opening
book is a gzipped PGN file that can be added using gnuchess commands.
The book_*.pgn.gz file is located in the same directory as the README.
See the README for using the `book add' command.
EOS
end
end
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