[src/trunk]: src/etc To install 0-sized files, check if the destination alrea...

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

details:   https://anonhg.NetBSD.org/src/rev/b708419d52e9
branches:  trunk
changeset: 762132:b708419d52e9
user:      uebayasi <uebayasi%NetBSD.org@localhost>
date:      Wed Feb 16 15:52:51 2011 +0000

description:
To install 0-sized files, check if the destination already has one.
This avoids unnecessary updates (== timestamp changes in METALOG).

diffstat:

 etc/Makefile |  8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diffs (22 lines):

diff -r feb06f4faee6 -r b708419d52e9 etc/Makefile
--- a/etc/Makefile      Wed Feb 16 15:34:18 2011 +0000
+++ b/etc/Makefile      Wed Feb 16 15:52:51 2011 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile,v 1.384 2010/12/27 03:38:52 christos Exp $
+#      $NetBSD: Makefile,v 1.385 2011/02/16 15:52:51 uebayasi Exp $
 #      from: @(#)Makefile      8.7 (Berkeley) 5/25/95
 
 # Environment variables without default values:
@@ -338,8 +338,10 @@
                games games             664     /var/games/snake.log \
                games games             664     /var/games/tetris.scores
        ${_MKMSG_INSTALL} ${DESTDIR}${file}
-       ${ETC_INSTALL_FILE} -o ${owner} -g ${group} -m ${mode} \
-               /dev/null ${DESTDIR}${file}
+       if [ ! -e ${DESTDIR}${file} -o -s ${DESTDIR}${file} ]; then \
+               ${ETC_INSTALL_FILE} -o ${owner} -g ${group} -m ${mode} \
+                       /dev/null ${DESTDIR}${file}; \
+       else true; fi
 .endfor
 .for subdir in . defaults bluetooth iscsi mtree namedb pam.d powerd rc.d root skel ssh
        ${MAKEDIRTARGET} ${subdir} configinstall