346 lines
8.9 KiB
Perl
Executable file
346 lines
8.9 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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# Wireshark - Network traffic analyzer
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# By Gerald Combs <gerald@wireshark.org>
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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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# svn_client - Use svn client i.s.o. ugly internal SVN file hack
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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_enable - Enable or disable package versioning.
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# pkg_format - Like "format", but used for the package version.
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# is_release - Specifies that we're building from a release tarball;
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# svnversion.h is not updated. This should be added only
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# to the *released* version.conf, not the one used to build
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# the release (IOW it should be added by automake's dist-hook).
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#
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# If run with the "-p" or "--package-version" argument, the
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# AC_INIT 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 (it will also not be generated if 'is_release' is set
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# in version.conf).
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#
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# Default configuration:
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#
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# enable: 1
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# svn_client: 1
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# format: SVN %Y%m%d%H%M%S
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# pkg_enable: 1
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# pkg_format: -SVN-%#
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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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use Getopt::Long;
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my $version_file = 'svnversion.h';
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my $package_string = "";
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my $vconf_file = 'version.conf';
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my $last_change = 0;
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my $revision = 0;
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my $repo_path = "unknown";
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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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"svn_client" => 1,
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"format" => "SVN %Y%m%d%H%M%S",
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"is_release" => 0,
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# Normal development builds
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"pkg_enable" => 1,
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"pkg_format" => "-SVN-%#",
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# Development releases
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#"pkg_enable" => 0,
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#"pkg_format" => "",
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);
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my $srcdir = ".";
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my $svn_info_cmd = "";
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$ENV{LANG} = "C"; # Ensure we run with correct locale
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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 = "";
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my $in_entries = 0;
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my $svn_name;
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my $repo_version;
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my $repo_root = undef;
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my $repo_url = undef;
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my $do_hack = 1;
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if ($version_pref{"pkg_enable"}) {
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$package_format = $version_pref{"pkg_format"};
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}
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if ($version_pref{"svn_client"}) {
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eval {
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use warnings "all";
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no warnings "all";
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$line = qx{$svn_info_cmd};
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if (defined($line)) {
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if ($line =~ /Last Changed Date: (\d{4})-(\d\d)-(\d\d) (\d\d):(\d\d):(\d\d)/) {
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$last_change = timegm($6, $5, $4, $3, $2 - 1, $1);
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}
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if ($line =~ /Last Changed Rev: (\d+)/) {
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$revision = $1;
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}
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if ($line =~ /URL: (\S+)/) {
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$repo_url = $1;
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}
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if ($line =~ /Repository Root: (\S+)/) {
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$repo_root = $1;
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}
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}
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1;
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};
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if ($last_change && $revision && $repo_url && $repo_root) {
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$do_hack = 0;
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}
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}
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# 'svn info' failed or the user really wants us to dig around in .svn/entries
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if ($do_hack) {
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# Start of ugly internal SVN file hack
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if (! open (ENTRIES, "< $srcdir/.svn/entries")) {
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print ("Unable to open $srcdir/.svn/entries\n");
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} else {
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# We need to find out whether our parser can handle the entries file
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$line = <ENTRIES>;
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chomp $line;
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if ($line eq '<?xml version="1.0" encoding="utf-8"?>') {
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$repo_version = "pre1.4";
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} elsif ($line =~ /^8$/) {
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$repo_version = "1.4";
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} else {
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$repo_version = "unknown";
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}
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if ($repo_version eq "pre1.4") {
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# The entries schema is flat, so we can use regexes to parse its contents.
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while ($line = <ENTRIES>) {
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if ($line =~ /<entry$/ || $line =~ /<entry\s/) {
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$in_entries = 1;
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$svn_name = "";
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}
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if ($in_entries) {
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if ($line =~ /name="(.*)"/) { $svn_name = $1; }
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if ($line =~ /committed-date="(\d{4})-(\d\d)-(\d\d)T(\d\d):(\d\d):(\d\d)/) {
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$last_change = timegm($6, $5, $4, $3, $2 - 1, $1);
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}
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if ($line =~ /revision="(\d+)"/) { $revision = $1; }
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}
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if ($line =~ /\/>/) {
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if (($svn_name eq "" || $svn_name eq "svn:this_dir") &&
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$last_change && $revision) {
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$in_entries = 0;
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last;
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}
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}
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# XXX - Fetch the repository root & URL
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}
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}
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close ENTRIES;
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}
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}
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# If we picked up the revision and modification time,
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# generate our strings.
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if ($revision && $last_change) {
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$version_format =~ s/%#/$revision/;
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$package_format =~ s/%#/$revision/;
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$package_string = strftime($package_format, gmtime($last_change));
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}
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if ($repo_url && $repo_root && index($repo_url, $repo_root) == 0) {
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$repo_path = substr($repo_url, length($repo_root));
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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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# "AC_INIT" 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 =~ /^AC_INIT\(wireshark, (\d+)\.(\d+).(\d+)/) {
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$line = "AC_INIT\(wireshark, $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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my $update_ve = 0;
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if ($package_string ne "") { $update_ve = 1; };
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open(CFGIN, "< config.nmake") || die "Can't read config.nmake!";
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while ($line = <CFGIN>) {
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if ($update_ve && $line =~ /^VERSION_EXTRA=/) {
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$line = "VERSION_EXTRA=$package_string\n";
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}
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if ($line =~ /^VERSION_BUILD=/ && int($revision) > 0) {
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$line = "VERSION_BUILD=$revision\n";
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}
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$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 || $version_pref{"is_release"} == 1) { return; }
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if ($last_change && $revision) {
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$svn_version = "#define SVNVERSION \"SVN Rev " .
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$revision . "\"\n" .
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"#define SVNPATH \"" . $repo_path . "\"\n";
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} else {
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$svn_version = "#define SVNVERSION \"SVN Rev Unknown\"\n" .
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"#define SVNPATH \"unknown\"\n";
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}
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if (open(OLDVER, "<$version_file")) {
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my $old_svn_version = <OLDVER> . <OLDVER>;
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if ($old_svn_version eq $svn_version) {
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$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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} else {
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print "$version_file is up-to-date.\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 $arg;
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# Get our command-line args
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GetOptions("package-version", \$pkg_version);
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if ($#ARGV >= 0) {
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$srcdir = $ARGV[0]
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}
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if (! open(FILE, "<$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} = $3;
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}
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close FILE;
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return 1;
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}
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##
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## Start of code
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##
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&get_config();
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if (-d "$srcdir/.svn") {
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$svn_info_cmd = "svn info $srcdir";
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} elsif (-d "$srcdir/.git/svn") {
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$svn_info_cmd = "(cd $srcdir; git svn info)";
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}
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if ($svn_info_cmd) {
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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 $vconf_file.\n";
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$last_change = 0;
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$revision = 0;
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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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