Laravel Forge zero downtime deployment script

laravel-forge-deploy.sh

# stop script on error signal
set -e
SITE="example.com"
DEPL="/home/forge/deployments/${SITE}"

# create directory and any intermediate directories if don't exist
mkdir -p ${DEPL}
CUR="/home/forge/${SITE}"
NEW="${DEPL}/new"
BKP="${DEPL}/backup"

# Remove previous deployment folders
if [ -d ${NEW} ]; then
 rm -R ${NEW}
fi
if [ -d ${BKP} ]; then
 rm -R ${BKP}
fi
cp -R ${CUR} ${NEW}
cd ${NEW}
#####################################################################
# Insert the rest of your standard Forge deployment script below here
#####################################################################

#####################################################################
# Your standard Forge deployment should end above, or at least before 
# the switch, seriously. You're entering a world of pain, otherwise.
#####################################################################

# Switch (this will cause microseconds of downtime)
mv ${CUR} ${BKP}
mv ${NEW} ${CUR}