package Debbugs::Packages;
+use warnings;
use strict;
-# TODO: move config handling to a separate module
-my $config_path = '/etc/debbugs';
-require "$config_path/config";
-# Allow other modules to load config into their namespace.
-delete $INC{"$config_path/config"};
+use Debbugs::Config qw(:config :globals);
-use Exporter ();
-use vars qw($VERSION @ISA @EXPORT);
+use base qw(Exporter);
+use vars qw($VERSION @EXPORT_OK %EXPORT_TAGS @EXPORT);
BEGIN {
$VERSION = 1.00;
- @ISA = qw(Exporter);
- @EXPORT = qw(getpkgsrc getpkgcomponent getsrcpkgs
- binarytosource sourcetobinary);
+ @EXPORT = ();
+ %EXPORT_TAGS = (versions => [qw(getversions)],
+ mapping => [qw(getpkgsrc getpkgcomponent getsrcpkgs),
+ qw(binarytosource sourcetobinary makesourceversions)
+ ],
+ );
+ @EXPORT_OK = ();
+ Exporter::export_ok_tags(qw(versions mapping));
+ $EXPORT_TAGS{all} = [@EXPORT_OK];
}
use Fcntl qw(O_RDONLY);
-use MLDBM qw(DB_File);
+use MLDBM qw(DB_File Storable);
+use Storable qw(dclone);
+$MLDBM::DumpMeth = 'portable';
$MLDBM::RemoveTaint = 1;
=head1 NAME
my $_pkgsrc;
my $_pkgcomponent;
+my $_srcpkg;
sub getpkgsrc {
return $_pkgsrc if $_pkgsrc;
return {} unless defined $Debbugs::Packages::gPackageSource;
my %pkgsrc;
my %pkgcomponent;
+ my %srcpkg;
open(MM,"$Debbugs::Packages::gPackageSource")
or die("open $Debbugs::Packages::gPackageSource: $!");
my ($bin,$cmp,$src)=($1,$2,$3);
$bin =~ y/A-Z/a-z/;
$pkgsrc{$bin}= $src;
+ push @{$srcpkg{$src}}, $bin;
$pkgcomponent{$bin}= $cmp;
}
close(MM);
$_pkgsrc = \%pkgsrc;
$_pkgcomponent = \%pkgcomponent;
+ $_srcpkg = \%srcpkg;
return $_pkgsrc;
}
sub getsrcpkgs {
my $src = shift;
- return () if !$src;
- my %pkgsrc = %{getpkgsrc()};
- my @pkgs;
- foreach ( keys %pkgsrc ) {
- push @pkgs, $_ if $pkgsrc{$_} eq $src;
- }
- return @pkgs;
+ getpkgsrc() if not defined $_srcpkg;
+ return () if not defined $src or not exists $_srcpkg->{$src};
+ return @{$_srcpkg->{$src}};
}
=item binarytosource
tie %_binarytosource, 'MLDBM',
$Debbugs::Packages::gBinarySourceMap, O_RDONLY) {
# avoid autovivification
- if (exists $_binarytosource{$binname} and
- exists $_binarytosource{$binname}{$binver}) {
+ my $binary = $_binarytosource{$binname};
+ return () unless defined $binary;
+ my %binary = %{$binary};
+ if (exists $binary{$binver}) {
if (defined $binarch) {
- my $src = $_binarytosource{$binname}{$binver}{$binarch};
+ my $src = $binary{$binver}{$binarch};
return () unless defined $src; # not on this arch
# Copy the data to avoid tiedness problems.
- return [@$src];
+ return dclone($src);
} else {
# Get (srcname, srcver) pairs for all architectures and
# remove any duplicates. This involves some slightly tricky
# multidimensional hashing; sorry. Fortunately there'll
# usually only be one pair returned.
my %uniq;
- for my $ar (keys %{$_binarytosource{$binname}{$binver}}) {
- my $src = $_binarytosource{$binname}{$binver}{$ar};
+ for my $ar (keys %{$binary{$binver}}) {
+ my $src = $binary{$binver}{$ar};
next unless defined $src;
$uniq{$src->[0]}{$src->[1]} = 1;
}
tie %_sourcetobinary, 'MLDBM',
$Debbugs::Packages::gSourceBinaryMap, O_RDONLY) {
# avoid autovivification
- if (exists $_sourcetobinary{$srcname} and
- exists $_sourcetobinary{$srcname}{$srcver}) {
- my $bin = $_sourcetobinary{$srcname}{$srcver};
+ my $source = $_sourcetobinary{$srcname};
+ return () unless defined $source;
+ my %source = %{$source};
+ if (exists $source{$srcver}) {
+ my $bin = $source{$srcver};
return () unless defined $bin;
- # Copy the data to avoid tiedness problems.
return @$bin;
}
}
return map [$_, $srcver], @srcpkgs;
}
+=item getversions
+
+Returns versions of the package in a distribution at a specific
+architecture
+
+=cut
+
+my %_versions;
+sub getversions {
+ my ($pkg, $dist, $arch) = @_;
+ return () unless defined $gVersionIndex;
+ $dist = 'unstable' unless defined $dist;
+
+ unless (tied %_versions) {
+ tie %_versions, 'MLDBM', $gVersionIndex, O_RDONLY
+ or die "can't open versions index: $!";
+ }
+ my $version = $_versions{$pkg};
+ return () unless defined $version;
+ my %version = %{$version};
+
+ if (defined $arch and exists $version{$dist}{$arch}) {
+ my $ver = $version{$pkg}{$dist}{$arch};
+ return $ver if defined $ver;
+ return ();
+ } else {
+ my %uniq;
+ for my $ar (keys %{$version{$dist}}) {
+ $uniq{$version{$dist}{$ar}} = 1 unless $ar eq 'source';
+ }
+ if (%uniq) {
+ return keys %uniq;
+ } elsif (exists $version{$dist}{source}) {
+ # Maybe this is actually a source package with no corresponding
+ # binaries?
+ return $version{$dist}{source};
+ } else {
+ return ();
+ }
+ }
+}
+
+
+=item makesourceversions
+
+ @{$cgi_var{found}} = makesourceversions($cgi_var{package},undef,@{$cgi_var{found}});
+
+Canonicalize versions into source versions, which have an explicitly
+named source package. This is used to cope with source packages whose
+names have changed during their history, and with cases where source
+version numbers differ from binary version numbers.
+
+=cut
+
+my %_sourceversioncache = ();
+sub makesourceversions {
+ my $pkg = shift;
+ my $arch = shift;
+ my %sourceversions;
+
+ for my $version (@_) {
+ if ($version =~ m[/]) {
+ # Already a source version.
+ $sourceversions{$version} = 1;
+ } else {
+ my $cachearch = (defined $arch) ? $arch : '';
+ my $cachekey = "$pkg/$cachearch/$version";
+ if (exists($_sourceversioncache{$cachekey})) {
+ for my $v (@{$_sourceversioncache{$cachekey}}) {
+ $sourceversions{$v} = 1;
+ }
+ next;
+ }
+
+ my @srcinfo = binarytosource($pkg, $version, $arch);
+ unless (@srcinfo) {
+ # We don't have explicit information about the
+ # binary-to-source mapping for this version (yet). Since
+ # this is a CGI script and our output is transient, we can
+ # get away with just looking in the unversioned map; if it's
+ # wrong (as it will be when binary and source package
+ # versions differ), too bad.
+ my $pkgsrc = getpkgsrc();
+ if (exists $pkgsrc->{$pkg}) {
+ @srcinfo = ([$pkgsrc->{$pkg}, $version]);
+ } elsif (getsrcpkgs($pkg)) {
+ # If we're looking at a source package that doesn't have
+ # a binary of the same name, just try the same version.
+ @srcinfo = ([$pkg, $version]);
+ } else {
+ next;
+ }
+ }
+ $sourceversions{"$_->[0]/$_->[1]"} = 1 foreach @srcinfo;
+ $_sourceversioncache{$cachekey} = [ map { "$_->[0]/$_->[1]" } @srcinfo ];
+ }
+ }
+
+ return sort keys %sourceversions;
+}
+
+
+
=back
=cut