# -*- mode: shell-script; sh-basic-offset: 8; indent-tabs-mode: t -*-
# ex: ts=8 sw=8 noet filetype=sh
#
# bash completion for gzip

have gzip &&
_gzip()
{
	local cur prev xspec helpopts

	COMPREPLY=()
	cur=`_get_cword`
	prev=${COMP_WORDS[COMP_CWORD-1]}
	helpopts=`_parse_help gzip`

	if [[ "$cur" == -* ]]; then
		COMPREPLY=( $( compgen -W "$helpopts -2 -3 -4 -5 -6 -7 -8" \
						-- "$cur" ) )
		return 0
	fi

	local IFS=$'\t\n'

	xspec="*.?(t)gz"
	if [[ "$prev" == --* ]]; then
		[[ "$prev" == --decompress || \
			"$prev" == --list || \
			"$prev" == --test ]] && xspec="!"$xspec
		[[ "$prev" == --force ]] && xspec=
	elif [[ "$prev" == -* ]]; then
		[[ "$prev" == -*[dlt]* ]] && xspec="!"$xspec
		[[ "$prev" == -*f* ]] && xspec=
	elif [ "$prev" = '>' -o "$prev" = '>>' ]; then
		xspec=
	elif [ "$prev" = '<' ]; then
		xspec=
	fi

	_expand || return 0

	COMPREPLY=( $( compgen -f -X "$xspec" -- $cur ) \
		    $( compgen -d -- $cur ) )
} &&
complete -F _gzip $filenames gzip
