grub-mkstandalone: Make a memdisk-based grub image

DESCRIPTION

Generate a standalone image (containing all modules) in the selected format

--compress[=\,no\/,xz,gz,lzo]: compress GRUB files [optional]
-d, --directory=\,DIR\/: use images and modules under DIR [default=/usr/lib/grub/<platform>]
--fonts=\,FONTS\/: install FONTS [default=unicode]
--install-modules=\,MODULES\/: install only MODULES and their dependencies [default=all]
-k, --pubkey=\,FILE\/: embed FILE as public key for signature checking
--locale-directory=\,DIR\/ use translations under DIR: [default=/usr/share/locale]
--locales=\,LOCALES\/: install only LOCALES [default=all]
--modules=\,MODULES\/: pre-load specified modules MODULES
--themes=\,THEMES\/: install THEMES [default=starfield]
-v, --verbose: print verbose messages.
--core-compress=\,xz\/|none|auto: choose the compression to use for core image
-o, --output=\,FILE\/: save output in FILE [required]
-O, --format=\,FILE\/: generate an image in FORMAT available formats: i386-coreboot, i386-multiboot, i386-pc, i386-pc-pxe, i386-pc-eltorito, i386-efi, i386-ieee1275, i386-qemu, x86_64-efi, i386-xen, x86_64-xen, mipsel-yeeloong-flash, mipsel-fuloong2f-flash, mipsel-loongson-elf, powerpc-ieee1275, sparc64-ieee1275-raw, sparc64-ieee1275-cdcore, sparc64-ieee1275-aout, ia64-efi, mips-arc, mipsel-arc, mipsel-qemu_mips-elf, mips-qemu_mips-flash, mipsel-qemu_mips-flash, mips-qemu_mips-elf, arm-uboot, arm-efi, arm64-efi
-?, --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.

Graft point syntax (E.g. \,/boot/grub/grub\/.cfg=./grub.cfg) is accepted