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|
#!/usr/bin/perl -w
#
# Module: show_version
#
# **** License ****
# Version: VPL 1.0
#
# The contents of this file are subject to the Vyatta Public License
# Version 1.0 ("License"); you may not use this file except in
# compliance with the License. You may obtain a copy of the License at
# http://www.vyatta.com/vpl
#
# Software distributed under the License is distributed on an "AS IS"
# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
# the License for the specific language governing rights and limitations
# under the License.
#
# This code was originally developed by Vyatta, Inc.
# Portions created by Vyatta are Copyright (C) 2005, 2006, 2007 Vyatta, Inc.
# All Rights Reserved.
#
# Author: Rick Balocca
# Date: 2007
# Description:
#
# **** End License ****
#
use strict;
use warnings;
#
# Global hash of debians in the base install and now.
#
my $rHoH_base_debs;
my $rHoH_now_debs;
my $base = '/opt/vyatta/etc';
my $versionfile = "$base/version";
my $buildfile = "$base/build.txt";
my $debsfile = "$base/deb-versions.txt";
sub echo_file {
my ($file) = @_;
my @lines = ();
if (!(-e $file)) {
return @lines;
}
open(my $FH, '<', $file) or die "Unable to open [$file]\n";
@lines=<$FH>;
close($FH);
return @lines;
}
#
# convert the "dpkg -l" output have same format as deb-versions.txt
#
sub get_pkg_version {
my @lines = @_;
my @new_lines = ();
foreach my $line (@lines) {
if ($line =~ /^[D\|\+]/) {
next; # skip header
}
my ($status, $pkg, $version) = split(/[ \t\n]+/, $line, 4);
if ($status =~ /^i/) {
push(@new_lines, "$pkg $version");
}
}
return @new_lines;
}
sub read_pkg_file {
my @pkgs_list = @_;
my %HoH = ();
my ($name, $version);
foreach my $line (@pkgs_list) {
($name, $version) = split(/[ \t\n]+/, $line, 3);
$HoH{$name}{'version'} = $version;
}
return \%HoH;
}
sub show_added {
for my $name (sort keys %$rHoH_now_debs) {
if (!$rHoH_base_debs->{$name}) {
printf("Aii %-25s%-25s\n",
$name, $rHoH_now_debs->{$name}->{'version'});
}
}
}
sub show_deleted {
for my $name (sort keys %$rHoH_base_debs) {
if (!$rHoH_now_debs->{$name}) {
printf("X %-25s%-25s\n",
$name, $rHoH_base_debs->{$name}->{'version'});
}
}
}
sub show_upgraded_downgraded {
my ($up_down) = @_;
my ($symbol, $op, $ver_base, $ver_now, $cmd);
if ($up_down eq "upgraded") {
$symbol = "U";
$op = "lt";
} else {
$symbol = "D";
$op = "gt";
}
for my $name (sort keys %$rHoH_base_debs) {
if ($rHoH_now_debs->{$name}) {
$ver_base = $rHoH_base_debs->{$name}{'version'};
$ver_now = $rHoH_now_debs->{$name}{'version'};
if ($ver_base ne $ver_now) {
$cmd = "dpkg --compare-versions \"$ver_base\" $op \"$ver_now\"";
if (!system($cmd)) {
printf("%sii %-25s%-20s (baseline: %s)\n",
$symbol, $name, $ver_now, $ver_base);
}
}
}
}
}
sub show_upgraded {
show_upgraded_downgraded("upgraded");
}
sub show_downgraded {
show_upgraded_downgraded("downgraded");
}
sub show_all {
show_added();
show_deleted();
show_upgraded();
show_downgraded();
}
my %options = (
"added" => \&show_added,
"deleted", => \&show_deleted,
"upgraded" => \&show_upgraded,
"downgraded" => \&show_downgraded,
"all" => \&show_all,
);
#
# main
#
print(&echo_file($versionfile));
print(&echo_file($buildfile));
my $booted = `grep '^unionfs.*/filesystem.squashfs' /proc/mounts`;
if (defined($booted) && $booted ne "") {
$booted="livecd";
} else {
$booted="disk";
}
print "Booted From: $booted\n";
if (!(-e $debsfile)) {
exit 0;
}
print "\n";
$rHoH_base_debs = read_pkg_file(&echo_file($debsfile));
$rHoH_now_debs = read_pkg_file(get_pkg_version(`dpkg -l`));
if ($#ARGV == 0) {
if ($options{$ARGV[0]}) {
$options{$ARGV[0]}->();
} else {
print "Usage: showversion [added|deleted|upgraded|downgraded|all]\n";
exit 1;
}
}
# end of file
|
