Mercurial > octave
view build-aux/get-source-mtime.sh @ 31233:95fa3182f00c
maint: Merge stable to default.
author | Markus Mützel <markus.muetzel@gmx.de> |
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date | Mon, 19 Sep 2022 13:14:16 +0200 |
parents | 796f54d4ddbf |
children | 597f3ee61a48 |
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#! /bin/sh ######################################################################## ## ## Copyright (C) 2017-2022 The Octave Project Developers ## ## See the file COPYRIGHT.md in the top-level directory of this ## distribution or <https://octave.org/copyright/>. ## ## This file is part of Octave. ## ## Octave is free software: you can redistribute it and/or modify it ## under the terms of the GNU General Public License as published by ## the Free Software Foundation, either version 3 of the License, or ## (at your option) any later version. ## ## Octave is distributed in the hope that it will be useful, but ## WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ## GNU General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with Octave; see the file COPYING. If not, see ## <https://www.gnu.org/licenses/>. ## ######################################################################## # Generate a timestamp that best represents the last modification time # of this source tree. The time value is printed on stdout in units of # time_t. If a reasonable representation of the source tree last # modification time can't be determined, then the current system time is # printed instead. A valid time_t value is always printed on stdout. set -e PERL=${PERL:-perl} SED=${SED:-sed} if [ $# -ne 1 ]; then echo "usage: get-source-mtime.sh SRCDIR" 1>&2 exit 1 fi srcdir="$1" ## A user's ~/.hgrc may redefine or add default options to any hg subcommand, ## potentially altering its behavior and possibly its standard output. Always ## run hg subcommands with configuration variables set to ensure that the ## user's preferences do not influence the expected behavior. hg_safe () { cmd=$1; shift hg --config alias.${cmd}=${cmd} --config defaults.${cmd}= ${cmd} "$@" } if [ x"$SOURCE_DATE_EPOCH" != x ]; then # Allow the source modification time to be overridden by SOURCE_DATE_EPOCH t=$SOURCE_DATE_EPOCH elif [ -d $srcdir/.hg ]; then t=$( cd $srcdir && hg_safe log --rev . --template '{date|hgdate}' ) t=$( echo $t | $SED -n 's/^\([0-9]\+\) .*/\1/p' ) elif [ -f $srcdir/HG-ID ]; then t=$( $PERL -e '@s = stat($ARGV[0]); print($s[9]) if @s;' $srcdir/HG-ID ) elif [ -f $srcdir/configure ]; then t=$( $PERL -e '@s = stat($ARGV[0]); print($s[9]) if @s;' $srcdir/configure ) fi if [ x"$t" = x ]; then t=$( date +%s ) fi echo $t