Symfony2 mac cache-clearing/permission script

cc.sh

#!/bin/sh

mkdir -p app/cache app/logs app/sessions

rm -rf app/cache/*
rm -rf app/logs/*

HTTPDUSER=`ps aux | grep -E '[a]pache|[h]ttpd|[_]www|[w]ww-data|[n]ginx' | grep -v root | head -1 | cut -d\  -f1`
sudo chmod +a "$HTTPDUSER allow delete,write,append,file_inherit,directory_inherit" app/cache app/logs app/sessions
sudo chmod +a "`whoami` allow delete,write,append,file_inherit,directory_inherit" app/cache app/logs app/sessions

# Clear application caches, dump and install assets
app/console cache:clear --env=prod