forked from osmocom/wireshark
![Gerald Combs](/assets/img/avatar_default.png)
"c:/cygwin/lib/subversion/bin/", which is the current default location for Subversion 1.1.1 under Cygwin. If we still can't find "svn", simply return instead of exiting. svn path=/trunk/; revision=12856
249 lines
6.1 KiB
Perl
Executable file
249 lines
6.1 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 [-p] [--package-version]
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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
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# the version string. The sequence "%#" will substitute
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# the SVN revision number.
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# pkg_format - Like "format", but used for the package version.
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#
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# If run with the "-p" or "--package-version" argument, the
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# AM_INIT_AUTOMAKE macro in configure.in and the VERSION macro in
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# config.nmake will have the pkg_format template appended to the
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# version number. svnversion.h will _not_ be generated if either
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# argument is present.
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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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# pkg_format: -SVN-%#
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# am_init: 0
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# XXX - We're pretty dumb about the "%#" substitution, and about having
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# spaces in the package format.
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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 $version_string = "";
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my $package_string = "";
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my $vconf_file = 'version.conf';
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my $last = 0;
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my $revision = 0;
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my $pkg_version = 0;
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my %version_pref = (
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"enable" => 1,
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"format" => "SVN %Y%m%d%H%M%S",
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"pkg_format" => "-SVN-%#",
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);
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# Run "svn info". Parse out the most recent modification time and the
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# revision number.
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sub read_svn_info {
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my $line;
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my $version_format = $version_pref{"format"};
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my $package_format = $version_pref{"pkg_format"};
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# If any other odd paths pop up, put them here.
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my @svn_paths = ("", "c:/cygwin/lib/subversion/bin/");
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my $svn_cmd;
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my $svn_pid;
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foreach $svn_cmd (@svn_paths) {
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$svn_cmd .= "svn info";
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if ($svn_pid = open(SVNINFO, $svn_cmd . " |")) {
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print ("Fetching version with command \"$svn_cmd\".\n");
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last;
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}
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}
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if (! defined($svn_pid)) {
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print ("Unable to get SVN info.\n");
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return;
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}
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while ($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, $1);
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}
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if ($line =~ /^Revision: (\d+)/) {
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$revision = $1;
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}
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}
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close SVNINFO;
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if ($last && $revision) {
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$version_format =~ s/%#/$revision/;
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$version_string = strftime($version_format, gmtime($last));
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$package_format =~ s/%#/$revision/;
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$package_string = strftime($package_format, gmtime($last));
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}
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}
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# Read configure.in, then write it back out with an updated
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# "AM_INIT_AUTOMAKE" line.
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sub update_configure_in
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{
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my $line;
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my $contents = "";
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my $version = "";
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return if ($package_string eq "");
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open(CFGIN, "< configure.in") || die "Can't read configure.in!";
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while ($line = <CFGIN>) {
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if ($line =~ /^AM_INIT_AUTOMAKE\(ethereal, (\d+)\.(\d+).(\d+)/) {
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$line = "AM_INIT_AUTOMAKE\(ethereal, $1.$2.$3$package_string)\n";
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}
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$contents .= $line
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}
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open(CFGIN, "> configure.in") || die "Can't write configure.in!";
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print(CFGIN $contents);
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close(CFGIN);
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print "configure.in has been updated.\n";
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}
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# Read config.nmake, then write it back out with an updated
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# "VERSION" line.
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sub update_config_nmake
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{
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my $line;
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my $contents = "";
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my $version = "";
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return if ($package_string eq "");
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open(CFGIN, "< config.nmake") || die "Can't read config.nmake!";
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while ($line = <CFGIN>) {
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if ($line =~ /^VERSION=(\d+)\.(\d+).(\d+)/) {
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$line = "VERSION=$1.$2.$3$package_string\n";
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}
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$contents .= $line
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}
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open(CFGIN, "> config.nmake") || die "Can't write config.nmake!";
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print(CFGIN $contents);
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close(CFGIN);
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print "config.nmake has been updated.\n";
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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 $needs_update = 1;
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if ($pkg_version) { return; }
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if ($last && $revision) {
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$svn_version = "#define SVNVERSION \"" .
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$version_string . "\"\n";
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} else {
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$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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my $arg;
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# Get our command-line args
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foreach $arg (@ARGV) {
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if ($arg eq "-p" || $arg eq "--package-version") {
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$pkg_version = 1;
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}
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}
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if (! open(FILE, "<$vconf_file")) {
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print STDERR "Version configuration file $vconf_file not "
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. "found. Using defaults.\n";
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return 1;
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}
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while (<FILE>) {
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chomp;
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next if (/^#/);
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next unless (/^(\w+):\s+(\S.*)/);
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$version_pref{$1} = $2;
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}
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close FILE;
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return 1;
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}
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##
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## Start of code
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##
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&get_config();
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if (-d "./.svn") {
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print "This is a build from SVN (or a SVN snapshot).\n";
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&read_svn_info(".");
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if ($pkg_version) {
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print "Generating package version. Ignoring $version_file\n";
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&update_configure_in;
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&update_config_nmake;
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} elsif ($version_pref{"enable"} == 0) {
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print "Version tag disabled in $vconf_file.\n";
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} else {
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print "SVN version tag will be computed.\n";
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}
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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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&print_svn_version;
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__END__
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