Class: IO

Inherits:
Object
  • Object
show all
Defined in:
lib/branch_io_cli/core_ext/io.rb

Instance Method Summary collapse

Instance Method Details

#log_command(command) ⇒ Object

Report the command. Execute the command, capture stdout and stderr and report line by line. Report the exit status at the end in case of error. Returns a Process::Status object.

Parameters:

  • command (String, Array) —

    a shell command to execute and report



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# File 'lib/branch_io_cli/core_ext/io.rb', line 11

def log_command(command)
  command = command.map(&:to_s).map(&:shellescape).join(" ") if command.kind_of? Array
  write "$ #{command}\n\n"

  Open3.popen2e(command) do |stdin, output, thread|
    # output is stdout and stderr merged
    while (line = output.gets)
      puts line
    end

    status = thread.value
    if status == 0
      write "Success.\n\n"
    else
      write "#{status}\n\n"
    end
    return status
  end
end