dotfiles/dotlib/cattle.sh

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reset-elapsed() {
(( last_cmd_at = SECONDS ))
}
ping-timer() {
kill -USR1 "$reaper_pid"
}
slay-reaper() {
kill -KILL "$reaper_pid"
}
cd() {
command cd "$@"
printf %s "$PWD" > /tmp/iterm2-prev-dir.txt
}
{
trap "" INT
trap reset-elapsed USR1
last_cmd_at=0
while sleep 1; do
(( elapsed = SECONDS - last_cmd_at ))
if (( elapsed > 600 )); then
kill -KILL "$$"
exit
fi
done
} &
reaper_pid=$! PROMPT_COMMAND+=(ping-timer)
trap slay-reaper EXIT
if [[ -f /tmp/iterm2-prev-dir.txt ]]; then
dir=$(</tmp/iterm2-prev-dir.txt)
if [[ -d $dir ]]; then
command cd "$dir"
fi
unset dir
fi