homebrew-core/Formula/elixir.rb

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require 'formula'
class ErlangInstalled < Requirement
def message; <<-EOS.undent
Erlang is required to install.
You can install this with:
brew install erlang
Or you can use an official installer from:
http://www.erlang.org/
EOS
end
def satisfied?
which 'erl'
end
def fatal?
true
end
end
class Elixir < Formula
homepage 'http://elixir-lang.org/'
url 'https://github.com/elixir-lang/elixir/tarball/v0.5.0'
sha1 'a153ab42f06d7ba35e64e9dff9f60335e4678f7e'
head 'https://github.com/elixir-lang/elixir.git'
depends_on ErlangInstalled.new
def install
system "make"
bin.install Dir['bin/*'] - Dir['bin/*.bat']
prefix.install Dir['ebin/']
end
def test
system "#{bin}/elixir -v"
end
end