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|
#!/usr/bin/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 (or INSECURE/DEPRECATED)
# depends => [ 'm_foo 1.2.0-1.3.0', ... ]
# conflicts => [ ]
# from => URL of source document
# }
my %url_seen;
sub parse_url;
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+/, $doc) {
s/^\s+//; # ignore whitespace at start
next if /^#/;
if (/^module (\S+) ([0-9.]+) (\S+)/) {
my($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 (m#^source (http://\S+)#) {
parse_url $1;
} else {
print "Unknown line in $src: $_\n";
}
}
}
open SRC, 'sources.list' or die "Could not open sources.list: $!";
while (<SRC>) {
next if /^\s*#/;
parse_url($_);
}
close SRC;
getmodules();
open my $verfile, 'src/version.sh' or die "Cannot determine inspircd version: $!";
$_ = join '', <$verfile>;
die "Cannot determine inspircd version" unless /InspIRCd-([0-9.]+)/;
$installed{core} = $1;
$modules{core}{$1} = {
url => 'NONE',
depends => [],
conflicts => [],
from => 'local file',
};
close $verfile;
for my $modname (@modlist) {
my $mod = "m_$modname";
my $modfile = "src/modules/$mod.cpp";
my $ver = getmodversion($modfile) || '0.0';
$installed{$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 @_;
my @a = split /\./, $a;
my @b = split /\./, $b;
push @a, 0 while $#a < $#b;
push @b, 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 $range;
if ($range =~ /(.*)-(.*)/) {
my($l,$h) = ($1,$2);
return 0 unless ver_cmp($ver, $l) >= 0;
return 0 unless ver_cmp($ver, $h) <= 0;
return 1;
}
return !ver_cmp($ver, $range);
}
sub find_mod_in_range {
my($mod,$vers) = @_;
my @versions = keys %{$modules{$mod}};
@versions = sort { ver_cmp() } @versions;
for my $ver (reverse @versions) {
return $ver if ver_in_range($ver, $vers);
}
return undef;
}
sub resolve_deps {
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+)(?: ([-0-9.]+))?/ 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 $depver required by $mod $ver";
}
}
for my $dep (@{$info->{conflicts}}) {
$dep =~ /^(\S+)(?: ([-0-9.]+))?/ 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 versions $depmod version $todo{depmod}";
}
}
}
if ($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, $vers);
unless ($ver) {
print "Cannot find suitable version of $mod\n";
exit 1;
}
$todo{$mod} = $ver;
}
} elsif ($action eq 'upgrade') {
for my $mod (keys %installed) {
next unless $mod =~ /^m_/;
$todo{$mod} = find_mod_in_range($mod);
}
} else {
die "Unknown action $action"
}
resolve_deps();
$| = 1; # immediate print of lines without \n
for my $mod (keys %installed) {
next if $todo{$mod};
print "Uninstalling $mod $installed{$mod}\n";
unlink "src/modules/$mod.cpp";
}
for my $mod (sort keys %todo) {
my $ver = $todo{$mod};
my $oldver = $installed{$mod};
my $url = $modules{$mod}{$ver}{url};
if ($url eq 'INSECURE') {
print "WARNING: Version $ver of $mod is insecure!\n";
next;
} elsif ($url eq 'DEPRECATED') {
print "Note: version $ver of $mod is deprecated\n";
next;
}
next if $oldver && $oldver eq $ver;
if ($oldver) {
print "Upgrading $mod from $oldver to $ver using $url"
} else {
print "Installing $mod $ver from $url";
}
my $stat = getstore($url, "src/modules/$mod.cpp");
if ($stat == 200) {
print " - done\n";
} else {
print " - HTTP $stat\n";
}
}
|
