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#!/usr/bin/perl -w
# Copyright (C) 2007-2010 Christoph Berg <myon@debian.org>
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
use strict;
use IPC::Open3;
use Hobbit;
$ENV{'PATH'} = '/bin:/sbin:/usr/bin:/usr/sbin';
$ENV{'LC_ALL'} = 'C';
delete @ENV{'IFS', 'CDPATH', 'ENV', 'BASH_ENV'};
my $bb = new Hobbit('apt');
my %packages;
open P, "dpkg --get-selections |" or die "dpkg: $!";
while (<P>) {
if (/^(\S+)\s+(\S+)/) {
next unless $2 eq "install" or $2 eq "hold";
$packages{$1} = $2;
}
}
close P;
my $pid = open3(\*IN, \*P, \*ERR, qw/xargs -r apt-cache policy/);
die "open2: $!" unless $pid;
if (!fork()) {
close P;
foreach my $p (sort keys %packages) {
print IN "$p\n";
}
close IN;
exit 0;
}
close IN;
close ERR;
my ($pkg, $inst, $cand, $pin, $pinprio, $in_dist, $dist, $has_repo);
my (@up, @upgrades, @sec, @security, @holdup, @holdupgrades, @holdsec, @holdsecurity, @no_repo, @no_repo_pinned);
sub try_pkg ()
{
if ($inst ne "(none)" and not $has_repo) {
if (defined $pin and $pinprio > 0) {
push @no_repo_pinned, "$pkg ($inst) $pinprio";
} elsif ($packages{$pkg} eq "hold") {
push @no_repo_pinned, "$pkg ($inst) hold";
} else {
push @no_repo, "$pkg ($inst)";
}
}
return if $inst eq $cand;
if ($packages{$pkg} eq "hold") {
if ($dist and $dist =~ /updates/) {
push @holdsec, $pkg;
push @holdsecurity, "$pkg ($inst $cand)";
} else {
push @holdup, $pkg;
push @holdupgrades, "$pkg ($inst $cand)";
}
return;
}
if ($dist and $dist =~ /updates/) {
push @sec, $pkg;
push @security, "$pkg ($inst $cand)";
} else {
push @up, $pkg;
push @upgrades, "$pkg ($inst $cand)";
}
}
while (<P>) {
if (/^(\S+):/) {
my $next_pkg = $1;
try_pkg () if $pkg;
$pkg = $next_pkg;
undef $dist;
undef $has_repo;
undef $pin;
undef $pinprio;
}
$inst = $1 if / +Installed: (.+)/;
$cand = $1 if / +Candidate: (.+)/;
$pin = $1 if / +Package pin: (.+)/ and $1 eq $inst;
if (/^[ *]+(\S+) (\d+)$/) {
$in_dist = ($1 eq $cand);
$pinprio = $2;
}
if ($in_dist and /^ +\d+ \S+ (\S+)/) { # 700 http://localhost lenny/main Packages
$dist .= "$1 ";
$has_repo = 1 if /http|ftp/;
}
}
try_pkg ();
close P;
waitpid $pid, 0;
sub pkgreport($$\@;\@) {
my ($title, $color, $longlist, $shortlist) = @_;
if (@{$longlist}) {
$bb->print("\n");
my $number = scalar @{$longlist};
$bb->color_line($color, "$title ($number):");
$bb->print(' apt-get install ' . join (' ', @{$shortlist})) if $shortlist;
$bb->print("\n");
foreach (@{$longlist}) { $bb->print(" $_\n"); }
}
}
pkgreport('Security updates', 'red', @security, @sec);
pkgreport('Other updates', 'yellow', @upgrades, @up);
pkgreport('Security updates on hold', 'green', @holdsecurity, @holdsec);
pkgreport('Other updates on hold', 'green', @holdupgrades, @holdup);
pkgreport('Packages not installed from apt repositories', 'yellow', @no_repo);
pkgreport('Pinned/held packages not installed from apt repositories', 'green', @no_repo_pinned);
$bb->print("\n");
# apt-get update will also exit with status 0 on some errors, and
# /var/lib/apt/lists/lock will be updated in any case. We suggest to use
# something like the following in /etc/cron.d/:
# 44 */4 * * * root apt-get update -qq > /var/lib/apt/update_output 2>&1 && [ ! -s /var/lib/apt/update_output ] && date -u > /var/lib/apt/update_success
# stamp files in order of decreasing usefulness
my @stamp_files = qw(/var/lib/apt/update_success /var/lib/apt/periodic/update-stamp /var/lib/apt/lists/lock);
my $last_update;
foreach my $stamp_file (@stamp_files) {
$last_update = -M $stamp_file;
last if $last_update;
}
my $updatecolor;
if ($last_update >= 7) {
$updatecolor = 'red';
} elsif ($last_update >= 1.5) {
$updatecolor = 'yellow';
} else {
$updatecolor = 'green';
}
$bb->color_line($updatecolor, sprintf("Last successful apt update: %.1f day(s) ago\n", $last_update));
# If /var/lib/apt/update_output is present, print its content
my $outputfile = '/var/lib/apt/update_output';
if (-s $outputfile) {
$bb->print("\n");
my $mtime = scalar localtime((stat $outputfile)[9]);
$bb->color_line('red', "Errors from $mtime:\n");
open F, $outputfile or die "$outputfile: $!";
while (<F>) {
$bb->print(" $_");
}
close F;
}
$bb->send;
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