diff --git a/en/ports/Makefile b/en/ports/Makefile
index ebd82c7b3e..dcdd1a4925 100644
--- a/en/ports/Makefile
+++ b/en/ports/Makefile
@@ -1,63 +1,68 @@
-#	$Id: Makefile,v 1.22 1999-04-21 11:44:37 asami Exp $
+#	$Id: Makefile,v 1.23 1999-05-13 11:53:27 wosch Exp $
 
 .if exists(../Makefile.conf)
 .include "../Makefile.conf"
 .endif
 
 PORTINDEX=	perl5 ${.CURDIR}/portindex
 INDEX=		INDEX
 PINDEX=		ports/${INDEX}
 Y2K=		YEAR2000
 PY2K=		ports/${Y2K}
 
 COOKIE=		${INDEX} Makefile.gen
 
 .if exists(Makefile.gen)
 .include "Makefile.gen"
 .endif
 CLEANFILES+=	${DOCS} Makefile.gen ${INDEX} ${Y2K} packages.exists
+CLEANFILES+=	packages.exists.temp
 
 cvsindex= $${CVSROOT}/${PINDEX},v
 cvsy2k= $${CVSROOT}/${PY2K},v
 _ALLINSTALL= packages.exists ${INDEX} ${Y2K}
 
 .if defined(NOPORTSCVS)
 ${INDEX}: $${PORTSBASE}/${PINDEX}
 	cp ${PORTSBASE}/${PINDEX} ${INDEX}
 
 ${Y2K}: $${PORTSBASE}/${PY2K}
 	cp ${PORTSBASE}/${PY2K} ${Y2K}
 
 .else
 ${INDEX}: ${cvsindex}
 	cvs -QR co -p ${PINDEX} > ${INDEX}
 
 ${Y2K}: ${cvsy2k}
 	cvs -QR co -p ${PY2K} > ${Y2K}
 
 .endif
 
 # build the list of available packages only on the 
 # main FreeBSD machines
 hostname!= hostname
 
 .if defined(NOPORTSCVS)
 packages.exists:
 .else
 packages.exists: ${cvsindex} ${cvsy2k}
 .endif
 .if ${hostname} == "hub.freebsd.org" || ${hostname} == "freefall.freebsd.org"
-	sh ${.CURDIR}/packages > ${.TARGET}
+	@if sh ${.CURDIR}/packages > ${.TARGET}.temp; then \
+		mv ${.TARGET}.temp ${.TARGET}; \
+	else \
+		rm ${.TARGET}.temp; touch ${.TARGET}; \
+	fi;
 .else
 	touch ${.TARGET}
 .endif
 
 Makefile.gen: index.sgml .NOTMAIN
 	echo DOCS= *.sgml > Makefile.gen
 	${MAKE} ${MAKEFLAGS} ${.IMPSRC}
 
 index.sgml: ${INDEX} ${Y2K} packages.exists portindex ports.inc .NOTMAIN
 	rm -f *.sgml
 	${PORTINDEX} ${INDEX} ${Y2K}
 
 .include "../web.mk"