[src/trunk]: src handle different flavors of date(1)

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

details:   https://anonhg.NetBSD.org/src/rev/eb26a1f5f086
branches:  trunk
changeset: 1021324:eb26a1f5f086
user:      christos <christos%NetBSD.org@localhost>
date:      Wed May 26 21:58:58 2021 +0000

description:
handle different flavors of date(1)

diffstat:

 build.sh |  11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diffs (40 lines):

diff -r 03080cda929f -r eb26a1f5f086 build.sh
--- a/build.sh  Wed May 26 20:22:28 2021 +0000
+++ b/build.sh  Wed May 26 21:58:58 2021 +0000
@@ -1,5 +1,5 @@
 #! /usr/bin/env sh
-#      $NetBSD: build.sh,v 1.350 2021/05/17 17:12:12 christos Exp $
+#      $NetBSD: build.sh,v 1.351 2021/05/26 21:58:58 christos Exp $
 #
 # Copyright (c) 2001-2011 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -1973,7 +1973,7 @@
        eval cat <<EOF ${makewrapout}
 #! ${HOST_SH}
 # Set proper variables to allow easy "make" building of a NetBSD subtree.
-# Generated from:  \$NetBSD: build.sh,v 1.350 2021/05/17 17:12:12 christos Exp $
+# Generated from:  \$NetBSD: build.sh,v 1.351 2021/05/26 21:58:58 christos Exp $
 # with these arguments: ${_args}
 #
 
@@ -2299,6 +2299,11 @@
        statusmsg "Rump build&link tests successful"
 }
 
+repro_date() {
+       # try the bsd date fail back the the linux one
+       (date -u -r "$1" 2> /dev/null) || date -u -d "@$1"
+}
+
 setup_mkrepro()
 {
        if [ ${MKREPRO-no} != "yes" ]; then
@@ -2350,7 +2355,7 @@
        done
 
        [ "${MKREPRO_TIMESTAMP}" != "0" ] || bomb "Failed to compute timestamp"
-       statusmsg2 "MKREPRO_TIMESTAMP" "$(TZ=UTC date -r ${MKREPRO_TIMESTAMP})"
+       statusmsg2 "MKREPRO_TIMESTAMP" "$(repro_date "${MKREPRO_TIMESTAMP}")"
        export MKREPRO MKREPRO_TIMESTAMP
 }