8a8b883450
they have LF at the end of the line on UN*X and CR/LF on Windows; hopefully this means that if a CR/LF version is checked in on Windows, the CRs will be stripped so that they show up only when checked out on Windows, not on UN*X. svn path=/trunk/; revision=11400
131 lines
3.4 KiB
Perl
Executable file
131 lines
3.4 KiB
Perl
Executable file
#!/usr/bin/perl -w
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#
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# Copyright 2004 Jörg Mayer (see AUTHORS file)
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#
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# $Id$
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#
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# Ethereal - Network traffic analyzer
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# By Gerald Combs <gerald@ethereal.com>
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# Copyright 1998 Gerald Combs
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# usage: ./make-version.pl
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#
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# If "version.conf" is present, it is parsed for configuration values.
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# Possible values are:
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#
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# enable - Enable or disable versioning. Zero (0) disables, nonzero
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# enables.
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# format - A strftime() formatted string to use as a template for the
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# version string.
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#
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# Default configuration:
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#
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# enable: 1
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# format: SVN %Y%m%d%H%M%S
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use strict;
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use Time::Local;
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use POSIX qw(strftime);
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my $version_file = 'svnversion.h';
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my $vconf_file = 'version.conf';
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my $last = 0;
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my %version_pref = ("enable" => 1, "format" => "SVN %Y%m%d%H%M%S");
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# Recursively find all SVN Entries files starting from the given directory,
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# and compute the modification time of the most recently modified Entries file.
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sub read_svn_info {
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my $line;
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open(SVNINFO, "svn info |") || return;
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while ($line = <SVNINFO>) {
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if ($line =~ /^Last Changed Date: (\d{4})-(\d\d)-(\d\d) (\d\d):(\d\d):(\d\d)/) {
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$last = timegm($6, $5, $4, $3, $2 - 1, $1);
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}
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}
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close SVNINFO;
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}
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# Print the SVN version to $version_file.
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# Don't change the file if it is not needed.
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sub print_svn_version
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{
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my $svn_version;
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my $needs_update = 1;
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if ($last) {
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$svn_version = "#define SVNVERSION \"" .
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strftime($version_pref{"format"}, gmtime($last)) .
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"\"\n";
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} else {
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$svn_version = "/* #define SVNVERSION \"\" */\n";
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}
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if (open(OLDVER, "<$version_file")) {
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if (<OLDVER> eq $svn_version) {
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print "$version_file is up-to-date.\n";
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$needs_update = 0;
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}
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close OLDVER;
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}
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if ($needs_update == 1) {
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# print "Updating $version_file so it contains:\n$svn_version";
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open(VER, ">$version_file") || die ("Cannot write to $version_file ($!)\n");
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print VER "$svn_version";
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close VER;
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print "$version_file has been updated.\n";
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}
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}
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# Read values from the configuration file, if it exists.
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sub get_config {
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open(FILE, "<$vconf_file") || print STDERR "Version configuration file $vconf_file not found. Using defaults.\n" && return 1;
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while (<FILE>) {
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chomp;
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next if (/^#/);
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next unless (/^(\w+):\s+(\S.*)/);
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$version_pref{$1} = $2;
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}
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close FILE;
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return 1;
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}
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##
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## Start of code
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##
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&get_config();
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if ($version_pref{"enable"} == 0) {
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print "Version tag disabled in $vconf_file.\n";
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} elsif (-d "./.svn") {
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print "This is a build from SVN (or a SVN snapshot), "
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. "SVN version tag will be computed.\n";
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&read_svn_info(".");
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} else {
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print "This is not a SVN build.\n";
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}
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# Now that we've computed everything, print the SVN version to $version_file
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&print_svn_version;
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__END__
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