homebrew-core/Formula/elixir.rb

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require 'formula'
class ErlangInstalled < Requirement
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fatal true
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satisfy { which 'erl' }
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
end
class Elixir < Formula
homepage 'http://elixir-lang.org/'
url 'https://github.com/elixir-lang/elixir/tarball/v0.8.1'
sha1 '6805ffbfc75652b23952512fc86188db91c7d9c6'
head 'https://github.com/elixir-lang/elixir.git'
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depends_on ErlangInstalled
env :userpaths
def install
system "make"
bin.install Dir['bin/*'] - Dir['bin/*.bat']
Dir['lib/*/ebin'].each do |path|
app = File.basename(File.dirname(path))
(lib/"#{app}").install path
end
end
def test
system "#{bin}/elixir -v"
end
end