improve on clean-old: basically use make show=MAKESUMFILES to figure out

which files are needed.

Also, do some tricky find in mystuff to try to figure out which files are
actually needed for local work.

infrastructure/fetch/clean-old

@@ -3,7 +3,7 @@
 # This script actually produces another shell-script that you may edit
 # before executing.
 
-# $OpenBSD: clean-old,v 1.3 2007/05/26 20:20:38 espie Exp $
+# $OpenBSD: clean-old,v 1.4 2008/05/15 10:12:28 espie Exp $
 #
 # Copyright (c) 2000 Marc Espie.
 # 
@@ -32,21 +32,30 @@ set -e
 : ${PORTSDIR=/usr/ports}
 : ${DISTDIR=${PORTSDIR}/distfiles}
 : ${TMPDIR=/tmp}
-if [ ! -f $DISTDIR/Makefile ]
-then
-	echo >&2 "missing $DISTDIR/Makefile, run make mirror-maker first"
-	exit 1
-fi
-cd $DISTDIR
-
+: ${MAKE=make}
 TMP1=`mktemp $TMPDIR/list.XXXXXXXXXX` || exit 1
-trap 'rm -f $TMP1 $TMP2' 0 1 2 3 5 10 15
+#trap 'rm -f $TMP1 $TMP2' 0 1 2 3 5 10 15
 TMP2=`mktemp ${TMPDIR}/list.XXXXXXXXXX` || exit 1
-touch force$$
-make -f Makefile -k FETCH=echo F=force$$ all|sort -u >$TMP1
-rm force$$
+{
+cd $PORTSDIR
+${MAKE} show=MAKESUMFILES ECHO_MSG=:
+if cd 2>/dev/null $PORTSDIR/mystuff
+then
+    find . -type f -name Makefile|while read i
+    	do
+		if fgrep -i bsd.port.mk $i
+		then
+			( cd `dirname $i` 
+			${MAKE} show=MAKESUMFILES ECHO_MSG=:  || true
+		    	)
+		fi
+	done
+fi
+}|tr ' ' "\n"|sort -u >$TMP1
+cd $DISTDIR
 find . -type f -print|sed -e 's,^\./,,' |grep -v '^Makefile$' |sort -u >$TMP2
 echo "#! /bin/sh"
 echo "cd $DISTDIR"
-diff -u $TMP1 $TMP2|tail +3|grep '^\+'|sed -e 's,^\+,rm ,'|sed -e 's,&,\\&,g'
+diff -u $TMP1 $TMP2|tail +3|grep '^\+'| \
+	sed -e 's,^\+,rm ,' -e 's,[[&()],\\&,g' -e 's,],\\&,g'
 rm $TMP1 $TMP2