Bash script to automatically set the permissions for Symfony2 based on the official docs (current version 2.8)

sf2-set-permissions.sh

#!/bin/bash
#
# script to automatically set the permission for the cache and logs folder
# for a new symfony2 project.
# original code taken from the documentation pages:
# http://symfony.com/doc/current/book/installation.html

BASEFOLDER="";
if [ "$1" != "" ]; then
    BASEFOLDER="$1";
else
    JSON=$(<composer.json); # echo "$JSON";
    VERSION=$(echo $JSON|php -r 'echo json_decode(file_get_contents("php://stdin"))->require->{"symfony/symfony"};')

    if [ $(echo $VERSION | cut -c 1-2) != "3" ]; then
        BASEFOLDER="app"
    else
        BASEFOLDER="var"
    fi
fi

if [ ! -d "$(pwd)/$BASEFOLDER" ]; then
    echo "folder $BASEFOLDER does not exist on PATH: $(pwd)"
    exit 1;
fi

## check to see if we are running as root first.
## Found at http://www.cyberciti.biz/tips/shell-root-user-check-script.html
if [ "$(id -u)" != "0" ]; then
    echo "This script must be run as root" 1>&2;
    exit 1;
fi

USER=$(whoami);
HTTPDUSER=$(ps axo user,comm | grep -E '[a]pache|[h]ttpd|[_]www|[w]ww-data|[n]ginx' | grep -v root | head -1 | cut -d\  -f1)
OS=$(uname -s)
CACHE="$BASEFOLDER/cache"
LOGS="$BASEFOLDER/logs"
FILENAME=$(pwd)

# Determine what the mount point for the path is:
MOUNT_POINT=$(df -P $FILENAME | tail -n 1 | awk '{print $6}')
# Get the mount options for the path:
MOUNT_OPTS=$(awk '$2=="'$MOUNT_POINT'" { print $4 }' /proc/mounts)
# Check to see if acl is one of the mount points:
#echo $MOUNT_OPTS | tr , \\\n | grep '^acl$' -q

`rm -rf var/cache/*`
`rm -rf var/logs/*`

if [ $? -eq 0 ]; then
    echo "ACLs enabled"

    case "$OS" in
        Darwin)
            echo 'Mac OS X'
            chmod +a "$HTTPDUSER allow delete,write,append,file_inherit,directory_inherit" $CACHE $LOGS;
            chmod +a "$USER allow delete,write,append,file_inherit,directory_inherit" $CACHE $LOGS;
            ;;

        Linux)
            echo 'Linux'
            setfacl -R -m u:"$HTTPDUSER":rwX -m u:$USR:rwX $CACHE $LOGS;
            setfacl -dR -m u:"$HTTPDUSER":rwX -m u:$USER:rwX $CACHE $LOGS;
            ;;

        CYGWIN*|MINGW32*|MSYS*)
            echo 'MS Windows'
            ;;
            
# Add here more strings to compare
# See https://en.wikipedia.org/wiki/Uname#Examples

        *)
            echo 'other OS' 
            ;;
    esac

    echo "permissions for $CACHE & $LOGS successfully set."

    exit 1;
else
    echo "ACLs disabled"
#    umask(0002)
    exit 1;
fi