#!/bin/sh

# This is a wrapper script for lf that allows it to create image previews with
# ueberzugpp. This works in concert with the lf configuration file and the
# lf-cleaner script.

set -e

cleanup() {
  exec 3>&-
  rm "$FIFO_UEBERZUGPP"
}

if [ -n "$SSH_CLIENT" ] || [ -n "$SSH_TTY" ]; then
  lf "$@"
else
  [ ! -d "$HOME/.cache/lf" ] && mkdir -p "$HOME/.cache/lf"
  export FIFO_UEBERZUGPP="$HOME/.cache/lf/ueberzugpp-$$"
  mkfifo "$FIFO_UEBERZUGPP"
  ueberzugpp layer -s -p json <"$FIFO_UEBERZUGPP" &
  exec 3>"$FIFO_UEBERZUGPP"
  trap cleanup HUP INT QUIT TERM PWR EXIT
  lf "$@" 3>&-
fi