#!/bin/sh
#
# /usr/local/bin/localezmangle
# Copyright 2001-2002 Jonas Smedegaard <dr@jones.dk>
#
# $Id: localezmangle,v 1.1 2002-12-03 00:50:45 jonas Exp $
#
# Extract, rename and auto-mangle eZ Publish 2.2.x templates and languages
#

#set -e

prg=`basename $0`

if [ -z "$1" -o -z "$2" -o -z "$3" ]; then
	echo "$prg: Extract, rename and auto-mangle eZ Publish 2.2.x templates and"
	echo "    languages"
	echo
	echo "Usage: $prg origname targetname targetdir [origdir [sedfile]]"
	echo
	echo "  origname:   String to search for in path + filename."
	echo "  targetname: Replacement string."
	echo "  targetdir:  Where to store mangled file hierarchy."
	echo "  origdir:    Where to look for files matching <origname>."
	echo
	echo "If <origname> is provided, it is considered a \"first run\":"
	echo "    <targetdir> is created, and files matching <origname> are copied"
	echo "    and renamed."
	echo "If <sedfile> not provided, the file <targetname>.sed in current dir"
	echo "    is attempted."
	echo
	echo "Example: $prg /default/ /mytemplate/ /tmp/my_ez_tpl /var/www/ezsite"
	exit 1
fi

origname=$1
targetname=$2
targetdir=$3
origdir=$4
sedrules=`basename $prg .sh`.`echo $targetname | sed 's/[^_[:alnum:]-]//g'`.sed

if [ ! -f $sedrules ]; then
	echo "Warning: sed rulesfile \"$sedrules\" not found. Rename only..."
fi

if [ -n "$origdir" -a -d "$origdir" ]; then
	# Isolate all template files
	for x in `cd $origdir && find * -type f | grep -v cache | grep "$origname"`; do mkdir -p $targetdir/`dirname $x`; cp -a $origdir/$x $targetdir/`dirname $x`; done
elif [ -d "$targetdir" ]; then
	echo "Notice: origdir not provided. Working with existing targetdir..."
else
	echo "Error: origdir not provided, and targetdir doesn't exist. Exiting...!"
	exit 1
fi

# rename origname to targetname (ignored on multiple runs)
for x in `cd $targetdir && find * -name "*$origname*"`; do
	mv $targetdir/$x $targetdir/`echo $x | sed "s	$origname	$targetname	g"`
done

if [ ! -f $sedrules ]; then
	exit 1
fi

# Use super-sed if available (wins a few seconds)
ssed=`which ssed`

# TODO: only touch file if mangled
for file in `find $targetdir -type f`; do
	if [ -n "$ssed" ]; then
		cat $file | $ssed -f $sedrules -i $file
	else
		cat $file | sed -f $sedrules > $file.tmp
		mv $file.tmp $file
	fi
done

echo "Done. Now patch manually with the .diff (if any)..."