set dev web permissions for wordpress site on ubuntu | wget "https://gist.github.com/mdrmike/ebb914947a0e36aac14e1d983a8e8b76/raw/1839ca600de1cd5802038aaa360f80cfe693bc9e/dev-perms-wp.sh"

dev-perms-wp.sh

#!/bin/bash -ex

# SETUP PERMISSIONS
VPATH=${1%/}
GROUP_WEBWORK=${2}
WEBSERVER="www-data"
HELP="\nHelp: This script is used to fix permissions\nPlease provide the following arguments:\n\t 1) Path to web root\n\t 2) Shared workgroup of website.  AKA group ownership\nNote: \"www-data\" (apache default) is assumed as the owner of the web files.\n\nUsage: [sudo] bash ${0##*/} [web_root_path] [group_name]\n"

[ -z "$VPATH" ] && VPATH=`pwd`                     # is null, use present dir
[ -z "$GROUP_WEBWORK" ] && GROUP_WEBWORK=webwork   # is null, set default

echo -e "\n\n\nNOTICE!!!"
echo -e "Changing permissions of: $VPATH"
echo -e "          and workgroup: $GROUP_WEBWORK\n"
echo -n "This action cannot be undone.  Proceed?  [y/N] "
read action
  if [ -z "${action}" ] || [[ "${action}" != [yY] ]]; then
    echo "Exiting ..."
    echo -e $HELP
    exit
  else
    echo -e "PROCEEDING ...\n\n"
  fi

cd $path;

# SETUP APACHE AS USER:GROUP
chown -R www-data:"$GROUP_WEBWORK" "$VPATH"

# How to read command:
# https://en.wikipedia.org/wiki/File_system_permissions#Symbolic_notation
# https://en.wikipedia.org/wiki/Chmod#Octal_modes

find "$VPATH" -type f | xargs chmod ug=r,o= #=440 #660 adds write
find "$VPATH" -type d | xargs chmod ug=rX,o= #=550 #770 adds write
find "$VPATH/wp-content" -type f | xargs chmod ug=rw,o= #=440 #660 adds write
find "$VPATH/wp-content" -type d | xargs chmod ug=rwX,o= #=550 #770 adds write
find "$VPATH" -type d | xargs chmod g+s # setgid: new files inherit parent dir perms