homebrew-core/Formula/cask.rb
2014-05-20 00:04:33 -07:00

35 lines
913 B
Ruby

require "formula"
class NewEnoughEmacs < Requirement
fatal true
default_formula "emacs"
def satisfied?
major_version = `emacs --batch --eval "(princ emacs-major-version)"`.to_i
major_version >= 23
end
def message
"Emacs 23 or later is required to run cask."
end
end
class Cask < Formula
homepage "http://cask.github.io/"
url "https://github.com/cask/cask/archive/v0.7.0.tar.gz"
sha1 "0f84c4a824bf93c0f1b207b21db820dbb4d41599"
head "https://github.com/cask/cask.git"
depends_on NewEnoughEmacs
def install
zsh_completion.install "etc/cask_completion.zsh"
bin.install "bin/cask"
prefix.install Dir["*.el"]
prefix.install "templates"
(share/"emacs/site-lisp").install_symlink "#{prefix}/cask-bootstrap.el"
(share/"emacs/site-lisp").install_symlink "#{prefix}/cask.el"
# Stop cask performing self-upgrades.
touch prefix/".no-upgrade"
end
end