#!/bin/sh
#
# oldtouch, Jun 5 2004 - May 19 2009 Peter Csizmadia
#

if [ -z "$1" ]; then
	cat <<EOF
Usage: oldtouch files...
EOF
	exit 0
fi

is_svn_file() {
	[ -f "$1" ] || return 1
	[ -d "`dirname $1`/.svn" ] || return 1
	return 0
}

touch_svn_file() {
	field="Last Changed Date: "
	svn diff "$1" 2>/dev/null >/dev/null || return 1
	[ -z "`svn diff \"$1\"`" ] || return 1
	svndate=`LANG=C svn info "$1" 2>/dev/null | grep "^$field"|sed "s/^$field//;s/ (.*)$//"`
	[ -n "$svndate" ] || return 1
	date=`LANG=C /bin/ls -l --time-style=full-iso $1 | awk '{print $6,$7,$8}'|sed 's/\.[0-9]\+ / /'`
	[ "$svndate" != "$date" ] || return 1
	echo "touch -d \"$svndate\" \"$1\""
	touch -d "$svndate" "$1"
}

oldtouch() {
	for d in "$@"; do
		if [ -d "$d" ]; then
			echo "`pwd`/$d"
			(cd "$d"; oldtouch *)
			r=`ls -1t $d|head -1`
			if [ -n "$r" ]; then
				r="$d/$r"
				if [ "$d" -nt "$r" -o "$r" -nt "$d" ]; then
					echo "touch -r \"$r\" \"$d\""
					touch -r "$r" "$d"
				fi
			fi
		elif (echo "$d"|grep '\.zip$' >/dev/null); then
			zip -o "$d"
		elif is_svn_file "$d"; then
			touch_svn_file "$d"
		fi
	done
}

oldtouch "$@"