dotfiles/.local/bin/lfub

#!/bin/sh

set -e

UB_PID=0
UB_SOCKET=""
UB_PIDFILE="/tmp/ubpid.$(uuidgen)"

clean () {
    exec 3>&- 
    ueberzugpp cmd -s "$UB_SOCKET" -a exit
}

if [ -n "$SSH_CLIENT" ] || [ -n "$SSH_TTY" ]; then
    command lf "$@"
else
    [ ! -d "$XDG_CACHE_HOME/lf" ] && mkdir --parents "$XDG_CACHE_HOME/lf"
    ueberzugpp layer --silent --no-stdin --use-escape-codes --pid-file "$UB_PIDFILE"
    UB_PID=$(cat "$UB_PIDFILE")
    UB_SOCKET="/tmp/ueberzugpp-${UB_PID}.socket"
    rm "$UB_PIDFILE"
    export UB_PID UB_SOCKET
    trap clean HUP INT QUIT TERM PWR EXIT
    command lf "$@" 3>&-
fi