function tmux
  if test (count $argv) -eq 0
    if type -q omf
      # Update Oh My Fish if it installed
      omf update
    end

    if test ! -d ~/.tmux/plugins/tpm
      # Install TPM if it is not already installed
      git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm

      # Install TPM plugins
      ~/.tmux/plugins/tpm/bin/install_plugins
    else
      # Install plugins that are not already installed
      ~/.tmux/plugins/tpm/bin/install_plugins

      # Update plugins that needs update
      ~/.tmux/plugins/tpm/bin/update_plugins all

      # Clean plugins that are not used anymore
      ~/.tmux/plugins/tpm/bin/update_plugins all
    end
  end

  # Execute TMUX
  /usr/bin/tmux $argv
end