require "formula" class GPGDependency < Requirement fatal true default_formula "gpg" satisfy { which("gpg") || which("gpg2") } end class Keybase < Formula homepage "https://keybase.io/" url "https://github.com/keybase/node-client/archive/v0.7.3.tar.gz" sha1 "379209b1b8ee3d66b764efddd5c1abc2c931b7e2" head "https://github.com/keybase/node-client.git" depends_on "node" depends_on GPGDependency def install libexec.install Dir["*"] (bin/"keybase").write <<-EOS.undent #!/bin/sh export KEYBASE_BIN="#{bin}/keybase" exec "#{Formula["node"].opt_bin}/node" "#{libexec}/bin/main.js" "$@" EOS end def caveats;<<-EOS.undent if which("gpg2") && !which("gpg") Run below command if you use gpg2 as keybase's backend keybase config gpg gpg2 EOS end test do system "#{bin}/keybase", "id", "maria" end end