#!/bin/bash

trap ctrl_c INT TERM KILL

function ctrl_c () { kill -KILL $pid $$; }

path=$@

watchfolder=$(dirname $1)

command="node $path"

# echo

# echo if you want to understand what this script is doing, un-comment the line below.

# echo [watch-node $$] running $command and daemonizing, watching folder $watchfolder every 2 secs.

# echo

$command &

pid=$!

while [[ true ]]; do

if [[ `uname` == "Darwin" ]]; then

files=`find -L $watchfolder -type f -mtime -2s | grep -v "\.test\." | grep -v "models\.json"`

else

files=`find -L $watchfolder -type f -mmin $(echo 2/60 | bc -l) | grep -v "\.test\." | grep -v "models\.json"`

fi

if [[ $files != "" ]]

then

echo [watch-node $$] files changed [$files] killing $pid $command

kill -KILL $pid > /dev/null

echo [watch-node $$] new pid is $pid

fi

if ! ( ps -p $pid > /dev/null ); then

$command &

pid=$!

echo "[watch-node $$] process (re)started new pid $pid cmd: $command"

fi

sleep 2

done