[src/trunk]: src/usr.sbin/postinstall Terminate the obsole directory walking ...

[martin <martin%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/cff09457fb88
branches:  trunk
changeset: 809259:cff09457fb88
user:      martin <martin%NetBSD.org@localhost>
date:      Sat Jun 27 09:56:54 2015 +0000

description:
Terminate the obsole directory walking loop when we hit "/" or "."
(both relative to DESTDIR), I have seen it run into an endless loop with
_path=. when invoked from the top level make with some (valid) args.

diffstat:

 usr.sbin/postinstall/postinstall |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (20 lines):

diff -r 0256b9a62004 -r cff09457fb88 usr.sbin/postinstall/postinstall
--- a/usr.sbin/postinstall/postinstall  Sat Jun 27 08:29:56 2015 +0000
+++ b/usr.sbin/postinstall/postinstall  Sat Jun 27 09:56:54 2015 +0000
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# $NetBSD: postinstall,v 1.191 2015/03/31 07:57:57 martin Exp $
+# $NetBSD: postinstall,v 1.192 2015/06/27 09:56:54 martin Exp $
 #
 # Copyright (c) 2002-2008 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -500,7 +500,7 @@
        _path="${1#.}"
        [ -h "${DEST_DIR}${_path}" ] || \
                [ -e "${DEST_DIR}${_path}" ] || return 1
-       while [ "${_path}" != "/" ] ; do
+       while [ "${_path}" != "/" -a "${_path}" != "." ] ; do
                _dirname="$(dirname "${_path}" 2>/dev/null)"
                _basename="$(basename "${_path}" 2>/dev/null)"
                ls -fa "${DEST_DIR}${_dirname}" 2> /dev/null \