#
# Completions for sed
#

# Test if we are using GNU sed

set -l is_gnu 
sed --version >/dev/null ^/dev/null; and set is_gnu --is-gnu

# Shared ls switches

__fish_gnu_complete -c sed -s n -l quiet -d (_ "Silent mode") $is_gnu 
__fish_gnu_complete -c sed -s e -l expression -x -d (_ "Evaluate expression") $is_gnu
__fish_gnu_complete -c sed -s f -l file -r -d (_ "Evalute file") $is_gnu
__fish_gnu_complete -c sed -s i -l in-place -d (_ "Edit files in place") $is_gnu

if test -n "$is_gnu"

	# GNU specific features

	complete -c sed -l silent -d (_ "Silent mode")
	complete -c sed -s l -l line-length -x -d (_ "Specify line-length")
	complete -c sed -l posix -d (_ "Disable all GNU extensions")
	complete -c sed -s r -l regexp-extended -d (_ "Use extended regexp")
	complete -c sed -s s -l separate -d (_ "Consider files as separate")
	complete -c sed -s u -l unbuffered -d (_ "Use minimal IO buffers")
	complete -c sed -l help -d (_ "Display help and exit")
	complete -c sed -s V -l version -d (_ "Display version and exit")

else

	# If not a GNU system, assume we have standard BSD ls features instead

	complete -c sed -s E -d (_ "Use extended regexp")
	complete -c sed -s a -d (_ "Delay opening files until a command containing the related 'w' function is applied")
	complete -c sed -s l -d (_ "Use line buffering")

end