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# completion file for bash

# (C) Copyright 2012 Jason A. Donenfeld <Jason@zx2c4.com> and
# Brian Mattern <rephorm@rephorm.com>. All Rights Reserved.
# This is released under the GPLv2+. Please see COPYING for more information.

_pass_complete_entries () {
	prefix="${PASSWORD_STORE_DIR:-$HOME/.password-store/}"
	suffix=".gpg"
	autoexpand=${1:-0}

	local IFS=$'\n'
	for item in $(compgen -f $prefix$cur); do
		if [[ $item == $prefix.* ]]; then
			continue
		fi
		# append / to directories and recursively expand single-entry dirs
		while [[ -d $item ]]; do
			item="$item/"
			if [[ $autoexpand -eq 1 ]]; then
				subitems=($(compgen -f $item))
				if [[ ${#subitems[@]} -eq 1 ]]; then
					item="${subitems[0]}"
				else
					break
				fi
			else
				break
			fi
		done
		item="${item%$suffix}"
		COMPREPLY+=($(printf "%q" "${item#$prefix}" ))
	done
}

_pass_complete_keys () {
	local IFS=$'\n'
	# Extract names and email addresses from gpg --list-keys
	keys="$(gpg --list-keys | grep uid | sed -e 's/uid *\([^<]*\)\(<\(.*\)>\)\?/\1\n\3/' | sed -e 's/\(^ *\| *$\)//g')"
	matches="$(compgen -W "${keys}" -- ${cur})"
	local l=${#cur}
	for key in ${matches}; do
		key="$(printf "%q" "${key}")"
		if [[ $l -eq 0 || "${key:0:$l}" == "${cur}" ]]; then
			COMPREPLY+=("$key")
		fi
	done
}

_pass()
{
	local cur prev opts base

	COMPREPLY=()
	cur="${COMP_WORDS[COMP_CWORD]}"
	prev="${COMP_WORDS[COMP_CWORD-1]}"

	commands="init ls show insert generate edit rm git help --help version --version"
	if [[ $COMP_CWORD -gt 1 ]]; then
		case "${COMP_WORDS[1]}" in
			init)
				COMPREPLY+=($(compgen -W "-e --reencrypt" -- ${cur}))
				_pass_complete_keys
				;;
			ls|list)
				_pass_complete_entries
				;;
			show|-*)
				COMPREPLY+=($(compgen -W "-c --clip" -- ${cur}))
				_pass_complete_entries 1
				;;
			insert)
				COMPREPLY+=($(compgen -W "-n --no-echo -m --multiline -f --force" -- ${cur}))
				_pass_complete_entries
				;;
			generate)
				COMPREPLY+=($(compgen -W "-n --no-symbols -c --clip -f --force" -- ${cur}))
				_pass_complete_entries
				;;
			edit)
				_pass_complete_entries
				;;
			rm|remove|delete)
				COMPREPLY+=($(compgen -W "-r --recursive -f --force" -- ${cur}))
				_pass_complete_entries
				;;
			git)
				COMPREPLY+=($(compgen -W "init push pull config log reflog" -- ${cur}))
				;;
		esac
	else
		COMPREPLY+=($(compgen -W "${commands}" -- ${cur}))
		_pass_complete_entries 1
	fi
}

complete -o nospace -F _pass pass