#! /bin/sh

# Usage: unify_config.sh <old variable> <new variable> [ <section> ]
# Example: unify_config.sh sys_default_domain web_host

old=$1
new=$2
sect=$3

if [ "$sect" = "" ] ; then
    newstr="forge_get_config('$new')"
else
    newstr="forge_get_config('$new', '$sect')"
fi

find_files () {
    ack-grep -l --php $old | grep -v common/include/config-vars.php
}

find_files | xargs perl -pi -e"
s/^\\s*global +\\\$$old *;//;
s/^(\\s*global) +\\\$$old *,/\\1 /;
s/^(\\s*global .*), *\\\$$old/\\1/;
s,\\\$GLOBALS\['$old'\](?"\!"\\s*=),$newstr,g;
s,\\\$GLOBALS\[$old\](?"\!"\\s*=),$newstr,g;
s,\\\$$old(?"\!"\\s*=),$newstr,g"