bash-completion/sfdisk

_sfdisk_module()
{
	local cur prev OPTS
	COMPREPLY=()
	cur="${COMP_WORDS[COMP_CWORD]}"
	prev="${COMP_WORDS[COMP_CWORD-1]}"
	case $prev in
		'-d'|'--dump'|'-J'|'--json'|'-l'|'--list'|'-F'|'--list-free'|'-r'|'--reorder'|'-s'|'--show-size'|'-V'|'--verify'|'-A'|'--activate'|'--delete')
			COMPREPLY=( $(compgen -W "$(lsblk -dpnro name)" -- $cur) )
			return 0
			;;
		'-N'|'--partno')
			COMPREPLY=( $(compgen -W "number" -- $cur) )
			return 0
			;;
		'--color'|'-w'|'--wipe'|'-W'|'--wipe-partitions')
			COMPREPLY=( $(compgen -W "auto never always" -- $cur) )
			return 0
			;;
		'-o'|'--output')
			local prefix realcur OUTPUT_ALL OUTPUT
			realcur="${cur##*,}"
			prefix="${cur%$realcur}"
			OUTPUT_ALL="
				Attrs Boot Bsize Cpg Cylinders Device End
				End-C/H/S Flags Fsize Id Name Sectors Size
				Slice Start Start-C/H/S Type Type-UUID UUID
			"
			for WORD in $OUTPUT_ALL; do
				if ! [[ $prefix == *"$WORD"* ]]; then
					OUTPUT="$WORD ${OUTPUT:-""}"
				fi
			done
			compopt -o nospace
			COMPREPLY=( $(compgen -P "$prefix" -W "$OUTPUT" -S ',' -- "$realcur") )
			return 0
			;;
		'-O'|'--backup-file')
			local IFS=$'\n'
			compopt -o filenames
			COMPREPLY=( $(compgen -f -- $cur) )
			return 0
			;;
		'-h'|'--help'|'-v'|'--version')
			return 0
			;;
	esac
	case $cur in
		'=')
			cur=${cur#=}
			;;
		-*)
			OPTS="
				--activate
				--dump
				--json
				--show-geometry
				--list
				--list-free
				--reorder
				--show-size
				--list-types
				--verify
				--delete
				--part-label
				--part-type
				--part-uuid
				--part-attrs
				--append
				--backup
				--bytes
				--move-data
				--force
				--color
				--partno
				--no-act
				--no-reread
				--no-tell-kernel
				--backup-file
				--output
				--quiet
				--wipe
				--wipe-partitions
				--label
				--label-nested
				--help
				--version
			"
			COMPREPLY=( $(compgen -W "${OPTS[*]}" -- $cur) )
			return 0
			;;
	esac
	COMPREPLY=( $(compgen -W "$(lsblk -pnro name)" -- $cur) )
	return 0
}
complete -F _sfdisk_module sfdisk