Module: Thor::Actions

Included in:
Gitx::Cli::BaseCommand
Defined in:
lib/gitx/extensions/thor.rb

Instance Method Summary collapse

Instance Method Details

#ask_editor(initial_text = '', editor: nil, footer: nil) ⇒ Object

launch configured editor to retreive message/string see osdir.com/ml/ruby-talk/2010-06/msg01424.html see gist.github.com/rkumar/456809 see rdoc.info/github/visionmedia/commander/master/Commander/UI.ask_editor



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# File 'lib/gitx/extensions/thor.rb', line 7

def ask_editor(initial_text = '', editor: nil, footer: nil)
  editor ||= ENV['EDITOR'] || 'vi'
  initial_text += "\n\n#{footer}" if footer
  text = Tempfile.open('text.md') do |f|
    f << initial_text
    f.flush

    flags = case editor
    when 'mate', 'emacs', 'subl'
      '-w'
    when 'mvim'
      '-f'
    else
      ''
    end
    pid = fork { exec([editor, flags, f.path].join(' ')) }
    Process.waitpid(pid)
    File.read(f.path)
  end
  text = text.gsub(footer, '') if footer
  text.chomp.strip
end