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# completion file for bash

# Copyright (C) 2012 Jason A. Donenfeld <Jason@zx2c4.com> and
# Brian Mattern <rephorm@rephorm.com>. All Rights Reserved.
# This file is licensed 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=$'\n'
	local items=($(compgen -f $prefix$cur))
	for item in ${items[@]}; do
		if [[ $item == $prefix.* ]]; then
			continue
		fi

		# if there is a unique match, and it is a directory with one entry
		# autocomplete the subentry as well (recursively)
		if [[ ${#items[@]} -eq 1 && $autoexpand -eq 1 ]]; then
			while [[ -d $item ]]; do
				local subitems=($(compgen -f "$item/"))
				if [[ ${#subitems[@]} -eq 1 ]]; then
					item="${subitems[0]}"
				else
					break
				fi
			done
		fi

		# append / to directories
		[[ -d $item ]] && item="$item/"

		item="${item%$suffix}"
		COMPREPLY+=("${item#$prefix}")
	done
}

_pass_complete_keys () {
	local IFS=$'\n'
	# Extract names and email addresses from gpg --list-keys
	local keys="$(gpg2 --list-secret-keys --with-colons | cut -d : -f 10 | sort -u | sed '/^$/d')"
	COMPREPLY+=($(compgen -W "${keys}" -- ${cur}))
}

_pass()
{
	COMPREPLY=()
	local cur="${COMP_WORDS[COMP_CWORD]}"
	local commands="init ls show insert generate edit rm git help version"
	if [[ $COMP_CWORD -gt 1 ]]; then
		case "${COMP_WORDS[1]}" in
			init)
				COMPREPLY+=($(compgen -W "-e --reencrypt" -- ${cur}))
				_pass_complete_keys
				;;
			ls|list|edit)
				_pass_complete_entries
				;;
			show|-*)
				COMPREPLY+=($(compgen -W "-c --clip" -- ${cur}))
				_pass_complete_entries 1
				;;
			insert)
				COMPREPLY+=($(compgen -W "-e --echo -m --multiline -f --force" -- ${cur}))
				_pass_complete_entries
				;;
			generate)
				COMPREPLY+=($(compgen -W "-n --no-symbols -c --clip -f --force" -- ${cur}))
				_pass_complete_entries
				;;
			rm|remove|delete)
				COMPREPLY+=($(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 filenames -o nospace -F _pass pass