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executable file 333 lines (299 sloc) 8.158 kB
#!/usr/bin/env perl
use strict;
use warnings FATAL => qw(all);
use LWP::Simple;
use make::configure;
our @modlist;
my %installed;
# $installed{name} = $version
my %modules;
# $modules{$name}{$version} = {
# url => URL of this version
# depends => [ 'm_foo 1.2.0-1.3.0', ... ]
# conflicts => [ ]
# from => URL of source document
# mask => Reason for not installing (INSECURE/DEPRECATED)
# description => some string
# }
my %url_seen;
sub parse_url;
# retrieve and parse entries from sources.list
sub parse_url {
my $src = shift;
return if $url_seen{$src};
$url_seen{$src}++;
my $doc = get($src);
die "Could not retrieve $_" unless defined $doc;
my $mod;
for (split /\n+/, $doc) {
s/^\s+//; # ignore whitespace at start
next if /^#/;
if (/^module (\S+) (\S+) (\S+)/) {
my($name, $ver, $url) = ($1,$2,$3);
if ($modules{$name}{$ver}) {
my $origsrc = $modules{$name}{$ver}{from};
warn "Overriding module $name $ver defined from $origsrc with one from $src";
}
$mod = {
from => $src,
url => $url,
depends => [],
conflicts => [],
};
$modules{$name}{$ver} = $mod;
} elsif (/^depends (.*)/) {
push @{$mod->{depends}}, $1;
} elsif (/^conflicts (.*)/) {
push @{$mod->{conflicts}}, $1;
} elsif (/^description (.*)/) {
$mod->{description} = $1;
} elsif (/^mask (.*)/) {
$mod->{mask} = $1;
} elsif (m#^source (http://\S+)#) {
parse_url $1;
} else {
print "Unknown line in $src: $_\n";
}
}
}
# hash of installed module versions from our mini-database, key (m_foobar) to version (00abacca..).
my %mod_versions;
# useless helper stub
sub getmodversion {
my ($file) = @_;
return $mod_versions{$file};
}
# read in installed versions
if (-e '.modulemanager')
{
open SRC, '.modulemanager' or die ".modulemanager exists but i can't read it: $!";
while (<SRC>)
{
s/\n//;
(my $mod, my $ver) = split(/ /, $_);
$mod_versions{$mod} = $ver;
}
close SRC;
}
# read in external URL sources
open SRC, 'sources.list' or die "Could not open sources.list: $!";
while (<SRC>) {
next if /^\s*#/;
parse_url($_);
}
close SRC;
getmodules(1);
# determine core version
`./src/version.sh` =~ /InspIRCd-([0-9.]+)/ or die "Cannot determine inspircd version";
$installed{core} = $1;
for my $mod (keys %modules) {
MODVER: for my $mver (keys %{$modules{$mod}}) {
for my $dep (@{$modules{$mod}{$mver}{depends}}) {
next unless $dep =~ /^core (.*)/;
if (!ver_in_range($installed{core}, $1)) {
delete $modules{$mod}{$mver};
next MODVER;
}
}
}
delete $modules{$mod} unless %{$modules{$mod}};
}
$modules{core}{$1} = {
url => 'NONE',
depends => [],
conflicts => [],
from => 'local file',
};
# set up core module list
for my $modname (@modlist) {
my $mod = "m_$modname";
my $modfile = "src/modules/$mod.cpp";
my $ver = getmodversion($mod) || '0.0';
$ver =~ s/\$Rev: (.*) \$/$1/; # for storing revision in SVN
$installed{$mod} = $ver;
next if $modules{$mod}{$ver};
$modules{$mod}{$ver} = {
url => 'NONE',
depends => [],
conflicts => [],
from => 'local file',
};
}
my %todo = %installed;
sub ver_cmp {
($a,$b) = @_ if @_;
if ($a !~ /^[0-9.]+$/ or $b !~ /^[0-9.]+$/)
{
# not a valid version number, don't try to sort
return $a ne $b;
}
# else it's probably a numerical type version.. i.e. 1.0
my @a = split /\./, $a;
my @b = split /\./, $b;
push @a, 0 while $#a < $#b;
push @b, ($_[2] || 0) while $#b < $#a;
for my $i (0..$#a) {
my $d = $a[$i] <=> $b[$i];
return $d if $d;
}
return 0;
}
sub ver_in_range {
my($ver, $range) = @_;
return 1 unless defined $range;
my($l,$h) = ($range, $range);
if ($range =~ /(.*)-(.*)/) {
($l,$h) = ($1,$2);
}
return 0 if $l && ver_cmp($ver, $l) < 0;
return 0 if $h && ver_cmp($ver, $h, 9999) > 0;
return 1;
}
sub find_mod_in_range {
my($mod, $vers, $force) = @_;
my @versions = keys %{$modules{$mod}};
@versions = sort { -ver_cmp() } @versions;
for my $ver (@versions) {
next if $modules{$mod}{$ver}{mask} && !$force;
return $ver if ver_in_range($ver, $vers);
}
return undef;
}
sub resolve_deps {
my($trial) = @_;
my $tries = 100;
my $changes = 'INIT';
my $fail = undef;
while ($changes && $tries) {
$tries--;
$changes = '';
$fail = undef;
my @modsnow = sort keys %todo;
for my $mod (@modsnow) {
my $ver = $todo{$mod};
my $info = $modules{$mod}{$ver} or die "no dependency information on $mod $ver";
for my $dep (@{$info->{depends}}) {
$dep =~ /^(\S+)(?: (\S+))?/ or die "Bad dependency $dep from $info->{from}";
my($depmod, $depvers) = ($1,$2);
next if $todo{$depmod} && ver_in_range($todo{$depmod}, $depvers);
# need to install a dependency
my $depver = find_mod_in_range($depmod, $depvers);
if (defined $depver) {
$todo{$depmod} = $depver;
$changes .= " $mod-$ver->$depmod-$depver";
} else {
$fail ||= "Could not find module $depmod $depvers required by $mod $ver";
}
}
for my $dep (@{$info->{conflicts}}) {
$dep =~ /^(\S+)(?: (\S+))?/ or die "Bad dependency $dep from $info->{from}";
my($depmod, $depvers) = ($1,$2);
next unless $todo{$depmod} && ver_in_range($todo{$depmod}, $depvers);
# if there are changes this round, maybe the conflict won't come up after they are resolved.
$fail ||= "Cannot install: module $mod ($ver) conflicts with $depmod version $todo{$depmod}";
}
}
}
if ($trial) {
return !($changes || $fail);
}
if ($changes) {
print "Infinite dependency loop:$changes\n";
exit 1;
}
if ($fail) {
print "$fail\n";
exit 1;
}
}
my $action = lc shift @ARGV;
if ($action eq 'install') {
for my $mod (@ARGV) {
my $vers = $mod =~ s/=([-0-9.]+)// ? $1 : undef;
$mod = lc $mod;
unless ($modules{$mod}) {
print "Cannot find module $mod\n";
exit 1;
}
my $ver = find_mod_in_range($mod, $vers, $vers ? 1 : 0);
unless ($ver) {
print "Cannot find suitable version of $mod\n";
exit 1;
}
$todo{$mod} = $ver;
}
} elsif ($action eq 'upgrade') {
my @installed = sort keys %installed;
for my $mod (@installed) {
next unless $mod =~ /^m_/;
my %saved = %todo;
$todo{$mod} = find_mod_in_range($mod);
if (!resolve_deps(1)) {
%todo = %saved;
}
}
} elsif ($action eq 'list') {
my @all = sort keys %modules;
for my $mod (@all) {
my @vers = sort { ver_cmp() } keys %{$modules{$mod}};
my $desc = '';
for my $ver (@vers) {
# latest defined description wins
$desc = $modules{$mod}{$ver}{description} || $desc;
}
next if @vers == 1 && $modules{$mod}{$vers[0]}{url} eq 'NONE';
my $instver = $installed{$mod} || '';
my $vers = join ' ', map { $_ eq $instver ? "\e[1m$_\e[m" : $_ } @vers;
print "$mod ($vers) - $desc\n";
}
} else {
print <<ENDUSAGE
Use: $0 <action> <args>
Action is one of the following
install install new modules
upgrade upgrade installed modules
list lists available modules
For installing a package, specify its name or name=version to force the
installation of a specific version.
ENDUSAGE
;exit 1;
}
resolve_deps(0);
$| = 1; # immediate print of lines without \n
print "Processing changes for $action...\n";
for my $mod (keys %installed) {
next if $todo{$mod};
print "Uninstalling $mod $installed{$mod}\n";
unlink "src/modules/$mod.cpp";
}
my $count = scalar keys %todo;
print "Checking $count items...\n";
for my $mod (sort keys %todo) {
my $ver = $todo{$mod};
my $oldver = $installed{$mod};
if ($modules{$mod}{$ver}{mask}) {
print "Module $mod $ver is masked: $modules{$mod}{$ver}{mask}\n";
}
next if $oldver && $oldver eq $ver;
my $url = $modules{$mod}{$ver}{url};
if ($oldver) {
print "Upgrading $mod from $oldver to $ver using $url"
} else {
print "Installing $mod $ver from $url";
}
$mod_versions{$mod} = $ver;
my $stat = getstore($url, "src/modules/$mod.cpp");
if ($stat == 200) {
print " - done\n";
} else {
print " - HTTP $stat\n";
}
}
# write database of installed versions
open SRC, '>.modulemanager' or die "can't write installed versions to .modulemanager, won't be able to track upgrades properly: $!";
foreach my $key (keys %mod_versions)
{
print SRC "$key $mod_versions{$key}\n";
}
close SRC;
print "Finished!\n";
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