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|
#!/bin/bash
# local is well supported
# shellcheck disable=3043
set -eu
# TODO: use custom-1 somehow
# pick up configuration
FUZL_PROMPT=${FUZL_PROMPT:-fuzl}
FUZL_ICON=${FUZL_ICON:-}
FUZL_CLI_ARGS=${FUZL_CLI_ARGS:-$@}
fuzl_try() {
[ "$1" == "--" ] && shift 1
if ! { stderr=$(
set +x
eval "$*" 2>&1 1>&3
); } 3>&1; then
fuzl_notification "$* failed :(" "${stderr:--}" -c error
exit 1
fi
}
export FUZL_MENU_FILTER=filter
export FUZL_MENU_PASSWORD=passw
export FUZL_MENU_MESSAGE=msg
export FUZL_MENU_INPUT=input
# Shows a menu
fuzl_menu() {
local form="$1"
shift 1
local prompt options_list maxw
# If a prompt_icon is provided, prepend it.
prompt="$FUZL_PROMPT "
[ -n "$FUZL_ICON" ] && prompt="$FUZL_ICON $FUZL_PROMPT "
options_list=$(cat)
maxw=$(echo -e "$prompt\n$options_list" | wc -L)
[ "$maxw" -lt 15 ] && maxw=15
[ "$maxw" -gt 150 ] && maxw=100
case "$form" in
"$FUZL_MENU_FILTER") # Selection menu with a list of options passed via STDIN
echo -ne "$options_list" | fuzzel -d -w "$maxw" -p "$prompt" "$@"
;;
"$FUZL_MENU_PASSWORD") # Password input menu (minimalist)
echo -n | fuzzel -d -w "$maxw" -p "$prompt" --password
;;
"$FUZL_MENU_MESSAGE") # Message box menu (no input bar)
echo -ne "$options_list" | fuzzel -d -w "$maxw" -p "$prompt" "$@"
;;
"$FUZL_MENU_INPUT") # Text input menu (no list view)
echo -n | fuzzel -d -p "$prompt" "$@" --lines 0
;;
esac
}
FUZL_NOTIFICATION_ID=
fuzl_notification() {
local summary="${1:?missing summary}"
local body="${2:?missing body}"
shift 2
FUZL_NOTIFICATION_ID=$(
fyi "$@" -p -a "${FUZL_PROMPT}" "${FUZL_PROMPT}: $summary" "$body" |
cut -d= -f2
)
}
fuzl_notification_cancel() {
fyi --close "$FUZL_NOTIFICATION_ID" || true
FUZL_NOTIFICATION_ID=
}
FUZL_LOADING_PID=
fuzl_loading() {
local summary="${1:?missing summary}"
echo -e "..." | FUZL_PROMPT="$summary" fuzl_menu $FUZL_MENU_MESSAGE &
FUZL_LOADING_PID=$!
}
fuzl_loading_cancel() {
local pgid
pgid="$(ps -o pgid= "$FUZL_LOADING_PID" || return)"
kill -- -"$pgid" || true
FUZL_LOADING_PID=
}
FUZL_ACTIONS=()
fuzl_action_reset() {
# reset actions
FUZL_ACTIONS=()
}
fuzl_action_add() {
local action="${1:?}" icon="${2:?}"
shift 2
# prevent multiple occurences
printf '%s\n' "${FUZL_ACTIONS[@]}" | grep -q "^$action" && return
FUZL_ACTIONS+=("${action}\t${icon}\t${*}")
}
fuzl_action_help() {
echo "usage: $FUZL_PROMPT [action]"
echo
for action in "${FUZL_ACTIONS[@]}"; do
echo -e " $action"
done
echo
exit 0
}
fuzl_action_menu() {
local action
# only actually ask if action wasn't provided on cli
action=${FUZL_CLI_ARGS}
if [[ "$action" == "--help" ]]; then
fuzl_action_help
fi
if test -z "$action"; then
action=$(printf '%s\n' "${FUZL_ACTIONS[@]}" |
FUZL_PROMPT="$FUZL_PROMPT: $*" fuzl_menu $FUZL_MENU_FILTER --with-nth='{2} {3..}' --accept-nth=1)
fi
fuzl_action_reset
if declare -f "${FUZL_PROMPT}_${action}" >/dev/null; then
eval "${FUZL_PROMPT}_${action}" "'$*'"
else
return 1
fi
}
# setup common debug helper
[ -z "${DEBUG:-}" ] || set -x
|
