path: root/src/password-store.sh

#!/usr/bin/env bash

# Copyright (C) 2012 - 2014 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
# This file is licensed under the GPLv2+. Please see COPYING for more information.

umask "${PASSWORD_STORE_UMASK:-077}"
set -o pipefail

GPG_OPTS=( "--quiet" "--yes" "--compress-algo=none" "--no-encrypt-to" )
GPG="gpg"
export GPG_TTY="${GPG_TTY:-$(tty 2>/dev/null)}"
which gpg2 &>/dev/null && GPG="gpg2"
[[ -n $GPG_AGENT_INFO || $GPG == "gpg2" ]] && GPG_OPTS+=( "--batch" "--use-agent" )

PREFIX="${PASSWORD_STORE_DIR:-$HOME/.password-store}"
X_SELECTION="${PASSWORD_STORE_X_SELECTION:-clipboard}"
CLIP_TIME="${PASSWORD_STORE_CLIP_TIME:-45}"

export GIT_DIR="${PASSWORD_STORE_GIT:-$PREFIX}/.git"
export GIT_WORK_TREE="${PASSWORD_STORE_GIT:-$PREFIX}"

#
# BEGIN helper functions
#

git_add_file() {
	[[ -d $GIT_DIR ]] || return
	git add "$1" || return
	[[ -n $(git status --porcelain "$1") ]] || return
	git_commit "$2"
}
git_commit() {
	local sign=""
	[[ -d $GIT_DIR ]] || return
	[[ $(git config --bool --get pass.signcommits) == "true" ]] && sign="-S"
	git commit $sign -m "$1"
}
yesno() {
	[[ -t 0 ]] || return 0
	local response
	read -r -p "$1 [y/N] " response
	[[ $response == [yY] ]] || exit 1
}
die() {
	echo "$@" >&2
	exit 1
}
set_gpg_recipients() {
	GPG_RECIPIENT_ARGS=( )
	GPG_RECIPIENTS=( )

	if [[ -n $PASSWORD_STORE_KEY ]]; then
		for gpg_id in $PASSWORD_STORE_KEY; do
			GPG_RECIPIENT_ARGS+=( "-r" "$gpg_id" )
			GPG_RECIPIENTS+=( "$gpg_id" )
		done
		return
	fi

	local current="$PREFIX/$1"
	while [[ $current != "$PREFIX" && ! -f $current/.gpg-id ]]; do
		current="${current%/*}"
	done
	current="$current/.gpg-id"

	if [[ ! -f $current ]]; then
		cat >&2 <<-_EOF
		Error: You must run:
		    $PROGRAM init your-gpg-id
		before you may use the password store.

		_EOF
		cmd_usage
		exit 1
	fi

	local gpg_id
	while read -r gpg_id; do
		GPG_RECIPIENT_ARGS+=( "-r" "$gpg_id" )
		GPG_RECIPIENTS+=( "$gpg_id" )
	done < "$current"
}

reencrypt_path() {
	local prev_gpg_recipients="" gpg_keys="" current_keys="" index passfile
	local groups="$($GPG --list-config --with-colons | grep "^cfg:group:.*")"
	while read -r -d "" passfile; do
		local passfile_dir="${passfile%/*}"
		passfile_dir="${passfile_dir#$PREFIX}"
		passfile_dir="${passfile_dir#/}"
		local passfile_display="${passfile#$PREFIX/}"
		passfile_display="${passfile_display%.gpg}"
		local passfile_temp="${passfile}.tmp.${RANDOM}.${RANDOM}.${RANDOM}.${RANDOM}.--"

		set_gpg_recipients "$passfile_dir"
		if [[ $prev_gpg_recipients != "${GPG_RECIPIENTS[*]}" ]]; then
			for index in "${!GPG_RECIPIENTS[@]}"; do
				local group="$(sed -n "s/^cfg:group:$(sed 's/[\/&]/\\&/g' <<<"${GPG_RECIPIENTS[$index]}"):\\(.*\\)\$/\\1/p" <<<"$groups" | head -n 1)"
				[[ -z $group ]] && continue
				IFS=";" eval 'GPG_RECIPIENTS+=( $group )' # http://unix.stackexchange.com/a/92190
				unset GPG_RECIPIENTS[$index]
			done
			gpg_keys="$($GPG --list-keys --with-colons "${GPG_RECIPIENTS[@]}" | sed -n 's/sub:[^:]*:[^:]*:[^:]*:\([^:]*\):[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[a-zA-Z]*e[a-zA-Z]*:.*/\1/p' | LC_ALL=C sort -u)"
		fi
		current_keys="$($GPG -v --no-secmem-warning --no-permission-warning --list-only --keyid-format long "$passfile" 2>&1 | cut -d ' ' -f 5 | LC_ALL=C sort -u)"

		if [[ $gpg_keys != "$current_keys" ]]; then
			echo "$passfile_display: reencrypting to ${gpg_keys//$'\n'/ }"
			$GPG -d "${GPG_OPTS[@]}" "$passfile" | $GPG -e "${GPG_RECIPIENT_ARGS[@]}" -o "$passfile_temp" "${GPG_OPTS[@]}" &&
			mv "$passfile_temp" "$passfile" || rm -f "$passfile_temp"
		fi
		prev_gpg_recipients="${GPG_RECIPIENTS[*]}"
	done < <(find "$1" -iname '*.gpg' -print0)
}
check_sneaky_paths() {
	local path
	for path in "$@"; do
		[[ $path =~ /\.\.$ || $path =~ ^\.\./ || $path =~ /\.\./ || $path =~ ^\.\.$ ]] && die "Error: You've attempted to pass a sneaky path to pass. Go home."
	done
}

#
# END helper functions
#

#
# BEGIN platform definable
#

clip() {
	# This base64 business is because bash cannot store binary data in a shell
	# variable. Specifically, it cannot store nulls nor (non-trivally) store
	# trailing new lines.
	local sleep_argv0="password store sleep on display $DISPLAY"
	pkill -f "^$sleep_argv0" 2>/dev/null && sleep 0.5
	local before="$(xclip -o -selection "$X_SELECTION" 2>/dev/null | base64)"
	echo -n "$1" | xclip -selection "$X_SELECTION" || die "Error: Could not copy data to the clipboard"
	(
		( exec -a "$sleep_argv0" sleep "$CLIP_TIME" )
		local now="$(xclip -o -selection "$X_SELECTION" | base64)"
		[[ $now != $(echo -n "$1" | base64) ]] && before="$now"

		# It might be nice to programatically check to see if klipper exists,
		# as well as checking for other common clipboard managers. But for now,
		# this works fine -- if qdbus isn't there or if klipper isn't running,
		# this essentially becomes a no-op.
		#
		# Clipboard managers frequently write their history out in plaintext,
		# so we axe it here:
		qdbus org.kde.klipper /klipper org.kde.klipper.klipper.clearClipboardHistory &>/dev/null

		echo "$before" | base64 -d | xclip -selection "$X_SELECTION"
	) 2>/dev/null & disown
	echo "Copied $2 to clipboard. Will clear in $CLIP_TIME seconds."
}
tmpdir() {
	[[ -n $SECURE_TMPDIR ]] && return
	local warn=1
	[[ $1 == "nowarn" ]] && warn=0
	local template="$PROGRAM.XXXXXXXXXXXXX"
	if [[ -d /dev/shm && -w /dev/shm && -x /dev/shm ]]; then
		SECURE_TMPDIR="$(mktemp -d "/dev/shm/$template")"
		remove_tmpfile() {
			rm -rf "$SECURE_TMPDIR"
		}
		trap remove_tmpfile INT TERM EXIT
	else
		[[ $warn -eq 1 ]] && yesno "$(cat <<-_EOF
		Your system does not have /dev/shm, which means that it may
		be difficult to entirely erase the temporary non-encrypted
		password file after editing.

		Are you sure you would like to continue?
		_EOF
		)"
		SECURE_TMPDIR="$(mktemp -d "${TMPDIR:-/tmp}/$template")"
		shred_tmpfile() {
			find "$SECURE_TMPDIR" -type f -exec $SHRED {} +
			rm -rf "$SECURE_TMPDIR"
		}
		trap shred_tmpfile INT TERM EXIT
	fi

}
GETOPT="getopt"
SHRED="shred -f -z"

source "$(dirname "$0")/platform/$(uname | cut -d _ -f 1 | tr '[:upper:]' '[:lower:]').sh" 2>/dev/null # PLATFORM_FUNCTION_FILE

#
# END platform definable
#


#
# BEGIN subcommand functions
#

cmd_version() {
	cat <<-_EOF
	============================================
	= pass: the standard unix password manager =
	=                                          =
	=                  v1.6.4                  =
	=                                          =
	=             Jason A. Donenfeld           =
	=               Jason@zx2c4.com            =
	=                                          =
	=      http://www.passwordstore.org/       =
	============================================
	_EOF
}

cmd_usage() {
	cmd_version
	echo
	cat <<-_EOF
	Usage:
	    $PROGRAM init [--path=subfolder,-p subfolder] gpg-id...
	        Initialize new password storage and use gpg-id for encryption.
	        Selectively reencrypt existing passwords using new gpg-id.
	    $PROGRAM [ls] [subfolder]
	        List passwords.
	    $PROGRAM find pass-names...
	    	List passwords that match pass-names.
	    $PROGRAM [show] [--clip,-c] pass-name
	        Show existing password and optionally put it on the clipboard.
	        If put on the clipboard, it will be cleared in $CLIP_TIME seconds.
	    $PROGRAM grep search-string
	        Search for password files containing search-string when decrypted.
	    $PROGRAM insert [--echo,-e | --multiline,-m] [--force,-f] pass-name
	        Insert new password. Optionally, echo the password back to the console
	        during entry. Or, optionally, the entry may be multiline. Prompt before
	        overwriting existing password unless forced.
	    $PROGRAM edit pass-name
	        Insert a new password or edit an existing password using ${EDITOR:-vi}.
	    $PROGRAM generate [--no-symbols,-n] [--clip,-c] [--in-place,-i | --force,-f] pass-name pass-length
	        Generate a new password of pass-length with optionally no symbols.
	        Optionally put it on the clipboard and clear board after $CLIP_TIME seconds.
	        Prompt before overwriting existing password unless forced.
	        Optionally replace only the first line of an existing file with a new password.
	    $PROGRAM rm [--recursive,-r] [--force,-f] pass-name
	        Remove existing password or directory, optionally forcefully.
	    $PROGRAM mv [--force,-f] old-path new-path
	        Renames or moves old-path to new-path, optionally forcefully, selectively reencrypting.
	    $PROGRAM cp [--force,-f] old-path new-path
	        Copies old-path to new-path, optionally forcefully, selectively reencrypting.
	    $PROGRAM git git-command-args...
	        If the password store is a git repository, execute a git command
	        specified by git-command-args.
	    $PROGRAM help
	        Show this text.
	    $PROGRAM version
	        Show version information.

	More information may be found in the pass(1) man page.
	_EOF
}

cmd_init() {
	local opts id_path=""
	opts="$($GETOPT -o p: -l path: -n "$PROGRAM" -- "$@")"
	local err=$?
	eval set -- "$opts"
	while true; do case $1 in
		-p|--path) id_path="$2"; shift 2 ;;
		--) shift; break ;;
	esac done

	[[ $err -ne 0 || $# -lt 1 ]] && die "Usage: $PROGRAM $COMMAND [--path=subfolder,-p subfolder] gpg-id..."
	[[ -n $id_path ]] && check_sneaky_paths "$id_path"
	[[ -n $id_path && ! -d $PREFIX/$id_path && -e $PREFIX/$id_path ]] && die "Error: $PREFIX/$id_path exists but is not a directory."

	local gpg_id="$PREFIX/$id_path/.gpg-id"

	if [[ $# -eq 1 && -z $1 ]]; then
		[[ ! -f "$gpg_id" ]] && die "Error: $gpg_id does not exist and so cannot be removed."
		rm -v -f "$gpg_id" || exit 1
		if [[ -d $GIT_DIR ]]; then
			git rm -qr "$gpg_id"
			git_commit "Deinitialize ${gpg_id}."
		fi
		rmdir -p "${gpg_id%/*}" 2>/dev/null
	else
		mkdir -v -p "$PREFIX/$id_path"
		printf "%s\n" "$@" > "$gpg_id"
		local id_print="$(printf "%s, " "$@")"
		echo "Password store initialized for ${id_print%, }"
		git_add_file "$gpg_id" "Set GPG id to ${id_print%, }."
	fi

	reencrypt_path "$PREFIX/$id_path"
	git_add_file "$PREFIX/$id_path" "Reencrypt password store using new GPG id ${id_print%, }."
}

cmd_show() {
	local opts clip=0
	opts="$($GETOPT -o c -l clip -n "$PROGRAM" -- "$@")"
	local err=$?
	eval set -- "$opts"
	while true; do case $1 in
		-c|--clip) clip=1; shift ;;
		--) shift; break ;;
	esac done

	[[ $err -ne 0 ]] && die "Usage: $PROGRAM $COMMAND [--clip,-c] [pass-name]"

	local path="$1"
	local passfile="$PREFIX/$path.gpg"
	check_sneaky_paths "$path"
	if [[ -f $passfile ]]; then
		if [[ $clip -eq 0 ]]; then
			exec $GPG -d "${GPG_OPTS[@]}" "$passfile"
		else
			local pass="$($GPG -d "${GPG_OPTS[@]}" "$passfile" | head -n 1)"
			[[ -n $pass ]] || exit 1
			clip "$pass" "$path"
		fi
	elif [[ -d $PREFIX/$path ]]; then
		if [[ -z $path ]]; then
			echo "Password Store"
		else
			echo "${path%\/}"
		fi
		tree -C -l --noreport "$PREFIX/$path" | tail -n +2 | sed 's/\.gpg\(\x1B\[[0-9]\+m\)\{0,1\}\( ->\|$\)/\1\2/g' # remove .gpg at end of line, but keep colors
	elif [[ -z $path ]]; then
		die "Error: password store is empty. Try \"pass init\"."
	else
		die "Error: $path is not in the password store."
	fi
}

cmd_find() {
	[[ -z "$@" ]] && die "Usage: $PROGRAM $COMMAND pass-names..."
	IFS="," eval 'echo "Search Terms: $*"'
	local terms="*$(printf '%s*|*' "$@")"
	tree -C -l --noreport -P "${terms%|*}" --prune --matchdirs --ignore-case "$PREFIX" | tail -n +2 | sed 's/\.gpg\(\x1B\[[0-9]\+m\)\{0,1\}\( ->\|$\)/\1\2/g'
}

cmd_grep() {
	[[ $# -ne 1 ]] && die "Usage: $PROGRAM $COMMAND search-string"
	local search="$1" passfile grepresults
	while read -r -d "" passfile; do
		grepresults="$($GPG -d "${GPG_OPTS[@]}" "$passfile" | grep --color=always "$search")"
		[ $? -ne 0 ] && continue
		passfile="${passfile%.gpg}"
		passfile="${passfile#$PREFIX/}"
		local passfile_dir="${passfile%/*}/"
		[[ $passfile_dir == "${passfile}/" ]] && passfile_dir=""
		passfile="${passfile##*/}"
		printf "\e[94m%s\e[1m%s\e[0m:\n" "$passfile_dir" "$passfile"
		echo "$grepresults"
	done < <(find -L "$PREFIX" -iname '*.gpg' -print0)
}

cmd_insert() {
	local opts multiline=0 noecho=1 force=0
	opts="$($GETOPT -o mef -l multiline,echo,force -n "$PROGRAM" -- "$@")"
	local err=$?
	eval set -- "$opts"
	while true; do case $1 in
		-m|--multiline) multiline=1; shift ;;
		-e|--echo) noecho=0; shift ;;
		-f|--force) force=1; shift ;;
		--) shift; break ;;
	esac done

	[[ $err -ne 0 || ( $multiline -eq 1 && $noecho -eq 0 ) || $# -ne 1 ]] && die "Usage: $PROGRAM $COMMAND [--echo,-e | --multiline,-m] [--force,-f] pass-name"
	local path="$1"
	local passfile="$PREFIX/$path.gpg"
	check_sneaky_paths "$path"

	[[ $force -eq 0 && -e $passfile ]] && yesno "An entry already exists for $path. Overwrite it?"

	mkdir -p -v "$PREFIX/$(dirname "$path")"
	set_gpg_recipients "$(dirname "$path")"

	if [[ $multiline -eq 1 ]]; then
		echo "Enter contents of $path and press Ctrl+D when finished:"
		echo
		$GPG -e "${GPG_RECIPIENT_ARGS[@]}" -o "$passfile" "${GPG_OPTS[@]}"
	elif [[ $noecho -eq 1 ]]; then
		local password password_again
		while true; do
			read -r -p "Enter password for $path: " -s password || exit 1
			echo
			read -r -p "Retype password for $path: " -s password_again || exit 1
			echo
			if [[ $password == "$password_again" ]]; then
				$GPG -e "${GPG_RECIPIENT_ARGS[@]}" -o "$passfile" "${GPG_OPTS[@]}" <<<"$password"
				break
			else
				echo "Error: the entered passwords do not match."
			fi
		done
	else
		local password
		read -r -p "Enter password for $path: " -e password
		$GPG -e "${GPG_RECIPIENT_ARGS[@]}" -o "$passfile" "${GPG_OPTS[@]}" <<<"$password"
	fi
	git_add_file "$passfile" "Add given password for $path to store."
}

cmd_edit() {
	[[ $# -ne 1 ]] && die "Usage: $PROGRAM $COMMAND pass-name"

	local path="$1"
	check_sneaky_paths "$path"
	mkdir -p -v "$PREFIX/$(dirname "$path")"
	set_gpg_recipients "$(dirname "$path")"
	local passfile="$PREFIX/$path.gpg"

	tmpdir #Defines $SECURE_TMPDIR
	local tmp_file="$(mktemp -u "$SECURE_TMPDIR/XXXXX")-${path//\//-}.txt"


	local action="Add"
	if [[ -f $passfile ]]; then
		$GPG -d -o "$tmp_file" "${GPG_OPTS[@]}" "$passfile" || exit 1
		action="Edit"
	fi
	${EDITOR:-vi} "$tmp_file"
	[[ -f $tmp_file ]] || die "New password not saved."
	$GPG -d -o - "${GPG_OPTS[@]}" "$passfile" | diff - "$tmp_file" &>/dev/null && die "Password unchanged."
	while ! $GPG -e "${GPG_RECIPIENT_ARGS[@]}" -o "$passfile" "${GPG_OPTS[@]}" "$tmp_file"; do
		yesno "GPG encryption failed. Would you like to try again?"
	done
	git_add_file "$passfile" "$action password for $path using ${EDITOR:-vi}."
}

cmd_generate() {
	local opts clip=0 force=0 symbols="-y" inplace=0
	opts="$($GETOPT -o ncif -l no-symbols,clip,in-place,force -n "$PROGRAM" -- "$@")"
	local err=$?
	eval set -- "$opts"
	while true; do case $1 in
		-n|--no-symbols) symbols=""; shift ;;
		-c|--clip) clip=1; shift ;;
		-f|--force) force=1; shift ;;
		-i|--in-place) inplace=1; shift ;;
		--) shift; break ;;
	esac done

	[[ $err -ne 0 || $# -ne 2 || ( $force -eq 1 && $inplace -eq 1 ) ]] && die "Usage: $PROGRAM $COMMAND [--no-symbols,-n] [--clip,-c] [--in-place,-i | --force,-f] pass-name pass-length"
	local path="$1"
	local length="$2"
	check_sneaky_paths "$path"
	[[ ! $length =~ ^[0-9]+$ ]] && die "Error: pass-length \"$length\" must be a number."
	mkdir -p -v "$PREFIX/$(dirname "$path")"
	set_gpg_recipients "$(dirname "$path")"
	local passfile="$PREFIX/$path.gpg"

	[[ $inplace -eq 0 && $force -eq 0 && -e $passfile ]] && yesno "An entry already exists for $path. Overwrite it?"

	local pass="$(pwgen -s $symbols $length 1)"
	[[ -n $pass ]] || exit 1
	if [[ $inplace -eq 0 ]]; then
		$GPG -e "${GPG_RECIPIENT_ARGS[@]}" -o "$passfile" "${GPG_OPTS[@]}" <<<"$pass"
	else
		local passfile_temp="${passfile}.tmp.${RANDOM}.${RANDOM}.${RANDOM}.${RANDOM}.--"
		if $GPG -d "${GPG_OPTS[@]}" "$passfile" | sed $'1c \\\n'"$(sed 's/[\/&]/\\&/g' <<<"$pass")"$'\n' | $GPG -e "${GPG_RECIPIENT_ARGS[@]}" -o "$passfile_temp" "${GPG_OPTS[@]}"; then
			mv "$passfile_temp" "$passfile"
		else
			rm -f "$passfile_temp"
			die "Could not reencrypt new password."
		fi
	fi
	local verb="Add"
	[[ $inplace -eq 1 ]] && verb="Replace"
	git_add_file "$passfile" "$verb generated password for ${path}."

	if [[ $clip -eq 0 ]]; then
		printf "\e[1m\e[37mThe generated password for \e[4m%s\e[24m is:\e[0m\n\e[1m\e[93m%s\e[0m\n" "$path" "$pass"
	else
		clip "$pass" "$path"
	fi
}

cmd_delete() {
	local opts recursive="" force=0
	opts="$($GETOPT -o rf -l recursive,force -n "$PROGRAM" -- "$@")"
	local err=$?
	eval set -- "$opts"
	while true; do case $1 in
		-r|--recursive) recursive="-r"; shift ;;
		-f|--force) force=1; shift ;;
		--) shift; break ;;
	esac done
	[[ $# -ne 1 ]] && die "Usage: $PROGRAM $COMMAND [--recursive,-r] [--force,-f] pass-name"
	local path="$1"
	check_sneaky_paths "$path"

	local passfile="$PREFIX/${path%/}"
	if [[ ! -d $passfile ]]; then
		passfile="$PREFIX/$path.gpg"
		[[ ! -f $passfile ]] && die "Error: $path is not in the password store."
	fi

	[[ $force -eq 1 ]] || yesno "Are you sure you would like to delete $path?"

	rm $recursive -f -v "$passfile"
	if [[ -d $GIT_DIR && ! -e $passfile ]]; then
		git rm -qr "$passfile"
		git_commit "Remove $path from store."
	fi
	rmdir -p "${passfile%/*}" 2>/dev/null
}

cmd_copy_move() {
	local opts move=1 force=0
	[[ $1 == "copy" ]] && move=0
	shift
	opts="$($GETOPT -o f -l force -n "$PROGRAM" -- "$@")"
	local err=$?
	eval set -- "$opts"
	while true; do case $1 in
		-f|--force) force=1; shift ;;
		--) shift; break ;;
	esac done
	[[ $# -ne 2 ]] && die "Usage: $PROGRAM $COMMAND [--force,-f] old-path new-path"
	check_sneaky_paths "$@"
	local old_path="$PREFIX/${1%/}"
	local new_path="$PREFIX/$2"
	local old_dir="$old_path"

	if [[ ! -d $old_path ]]; then
		old_dir="${old_path%/*}"
		old_path="${old_path}.gpg"
		[[ ! -f $old_path ]] && die "Error: $1 is not in the password store."
	fi

	mkdir -p -v "${new_path%/*}"
	[[ -d $old_path || -d $new_path || $new_path =~ /$ ]] || new_path="${new_path}.gpg"

	local interactive="-i"
	[[ ! -t 0 || $force -eq 1 ]] && interactive="-f"

	if [[ $move -eq 1 ]]; then
		mv $interactive -v "$old_path" "$new_path" || exit 1
		[[ -e "$new_path" ]] && reencrypt_path "$new_path"

		if [[ -d $GIT_DIR && ! -e $old_path ]]; then
			git rm -qr "$old_path"
			git_add_file "$new_path" "Rename ${1} to ${2}."
		fi
		rmdir -p "$old_dir" 2>/dev/null
	else
		cp $interactive -r -v "$old_path" "$new_path" || exit 1
		[[ -e "$new_path" ]] && reencrypt_path "$new_path"
		git_add_file "$new_path" "Copy ${1} to ${2}."
	fi
}

cmd_git() {
	if [[ $1 == "init" ]]; then
		git "$@" || exit 1
		git_add_file "$PREFIX" "Add current contents of password store."

		echo '*.gpg diff=gpg' > "$PREFIX/.gitattributes"
		git_add_file .gitattributes "Configure git repository for gpg file diff."
		git config --local diff.gpg.binary true
		git config --local diff.gpg.textconv "$GPG -d ${GPG_OPTS[*]}"
	elif [[ -d $GIT_DIR ]]; then
		tmpdir nowarn #Defines $SECURE_TMPDIR. We don't warn, because at most, this only copies encrypted files.
		export TMPDIR="$SECURE_TMPDIR"
		git "$@"
	else
		die "Error: the password store is not a git repository. Try \"$PROGRAM git init\"."
	fi
}

#
# END subcommand functions
#

PROGRAM="${0##*/}"
COMMAND="$1"

case "$1" in
	init) shift;			cmd_init "$@" ;;
	help|--help) shift;		cmd_usage "$@" ;;
	version|--version) shift;	cmd_version "$@" ;;
	show|ls|list) shift;		cmd_show "$@" ;;
	find|search) shift;		cmd_find "$@" ;;
	grep) shift;			cmd_grep "$@" ;;
	insert|add) shift;		cmd_insert "$@" ;;
	edit) shift;			cmd_edit "$@" ;;
	generate) shift;		cmd_generate "$@" ;;
	delete|rm|remove) shift;	cmd_delete "$@" ;;
	rename|mv) shift;		cmd_copy_move "move" "$@" ;;
	copy|cp) shift;			cmd_copy_move "copy" "$@" ;;
	git) shift;			cmd_git "$@" ;;
	*) COMMAND="show";		cmd_show "$@" ;;
esac
exit 0