bin/envargs

[botanicus]

def envargs_shebang(executable = ruby_basename, args)
system_envargs = %x(which envargs).chomp
local_envargs = File.join(Rango.root, "bin", "envargs")
envargs = [system_envargs, local_envargs].detect { |path| File.executable?(path) }
raise "No envargs detected!" if envargs.nil?
"#!#{envargs} #{executable} #{args.join(" ")}".chomp(" ")
end