option('sway_version', type : 'string', description: 'The version string reported in `sway --version`.')
option('default_wallpaper', type: 'boolean', value: true, description: 'Install the default wallpaper.')
option('zsh_completions', type: 'boolean', value: true, description: 'Install zsh shell completions.')
option('enable_tray', type: 'boolean', value: true, description: 'Use the swaybar system tray if libDBus is found.')