Shell execution with chain support, break on error, break if invoked command does not exist, print error message in red :P

gistfile1.rb

def shell(*cmds)
  output = ""
  cmds.each do |cmd|
    begin
      stop = false
      stdout_str, stderr_str, status = Open3.capture3(cmd)
      output = "#{output}#{stdout_str}#{stderr_str}"
      if status.success?
        context = "#{cmd}\n#{stdout_str}"
      else
        context = "#{cmd}\n\033[31m#{stderr_str}\033[0m"
        stop = true
      end
    rescue => detail
      context = "#{cmd}\n\033[31m#{detail.message}\033[0m"
      stop = true
    end
    puts context
    break if stop
  end
  output.lines.map(&:chomp)
end