grub-render-label --version (return code: 0)
grub-render-label (GRUB) 2.02~beta2-36ubuntu3.7
grub-render-label --help (return code: 0)
Usage: grub-render-label [OPTION...] [OPTIONS]
Render Apple .disk_label.
-b, --bgcolor=COLOR use COLOR for background
-c, --color=COLOR use COLOR for text
-f, --font=FILE use FILE as font (PF2).
-i, --input=FILE read text from FILE.
-o, --output=FILE set output filename. Default is STDOUT
-t, --text=STRING set the label to render
-v, --verbose print verbose messages.
-?, --help give this help list
--usage give a short usage message
-V, --version print program version
Mandatory or optional arguments to long options are also mandatory or optional
for any corresponding short options.
Report bugs to <bug-grub@gnu.org>.