bash_completion.d/chflags

# Copyright 2015-2023 Rivoreo

# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:

# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR


_complete_chflags() {
	local cur prev words cword split w end_of_options
	# Requires a version of bash_completion that providing
	# _init_completion function, which properly handles redirections;
	# otherwise modifying the completion behavior may break completions
	# of redirection and make things worse.
	if ! _init_completion > /dev/null 2>&1; then
		complete -r chflags
		unset _complete_chflags
		return
	fi
	if [ "${cur#-}" != "$cur" ]; then
		local options="-f -h -v -R"
		for w in "${words[@]}"; do case "$w" in
			--)
				end_of_options=1
				break
				;;
			-R*|-[fhvHLP]*R*)
				case "$options" in
					*" -P")
						;;
					*)
						options="$options -H -L -P"
						;;
				esac
				;;
		esac done
		if [ -z "$end_of_options" ]; then
			COMPREPLY=(`compgen -W "$options" -- "$cur"`)
			return
		fi
	fi
	local nargs=1
	end_of_options=
	for w in "${words[@]:1:cword-1}"; do
		case "$w" in
			--)
				end_of_options=1
				continue
				;;
			-*)
				[ -z "$end_of_options" ] && continue;
				;;
		esac
		nargs=$((nargs+1))
	done
	if [ $nargs = 1 ]; then
		COMPREPLY=(`compgen -W 'simmutable nosimmutable sappend nosappend' -- "$cur"`)
	else
		_filedir
	fi
}
complete -F _complete_chflags chflags