33 lines
768 B
Ruby
33 lines
768 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/v0.5.2.zip"
|
|
sha1 "0178e1b9a3ea80ad91e8a2d25ee3cdf7f782876f"
|
|
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"
|
|
# Stop cask performing self-upgrades.
|
|
touch prefix/".no-upgrade"
|
|
end
|
|
end
|