+# === everything from here is adapted from debbugs, and should probably be merged
+# === back at some point
+
+my %_binarytosource;
+my %_binarytosourcecache = ();
+sub binarytosource {
+ my ($binname, $binver, $binarch) = @_;
+
+ # TODO: This gets hit a lot, especially from buggyversion() - probably
+ # need an extra cache for speed here.
+
+ if (tied %_binarytosource or
+ tie %_binarytosource, 'MLDBM',
+ $Debbugs::Packages::gBinarySourceMap, O_RDONLY) {
+ if (!exists($_binarytosourcecache{$binname})) {
+ $_binarytosourcecache{$binname} = \%{ $_binarytosource{$binname} };
+ }
+
+ if (defined $_binarytosourcecache{$binname} and
+ exists $_binarytosourcecache{$binname}{$binver}) {
+ if (defined $binarch) {
+ my $src = $_binarytosourcecache{$binname}{$binver}{$binarch};
+ return () unless defined $src; # not on this arch
+ # Copy the data to avoid tiedness problems.
+ return [@$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 $ar (keys %{$_binarytosourcecache{$binname}{$binver}}) {
+ my $src = $_binarytosourcecache{$binname}{$binver}{$ar};
+ next unless defined $src;
+ $uniq{$src->[0]}{$src->[1]} = 1;
+ }
+ my @uniq;
+ for my $sn (sort keys %uniq) {
+ push @uniq, [$sn, $_] for sort keys %{$uniq{$sn}};
+ }
+ return @uniq;
+ }
+ }
+ }
+
+ # No $gBinarySourceMap, or it didn't have an entry for this name and
+ # version.
+ return ();
+}
+
+my %_versionobj;
+sub buggyversion {
+ my ($bug, $ver, $status) = @_;
+ return '' unless defined $versionpkgdir;
+ my $src = getpkgsrc()->{$status->{package}};
+ $src = $status->{package} unless defined $src;
+
+ my $tree;
+ if (exists $_versionobj{$src}) {
+ $tree = $_versionobj{$src};
+ } else {
+ $tree = Debbugs::Versions->new(\&DpkgVer::vercmp);
+ my $srchash = substr $src, 0, 1;
+ if (open VERFILE, "< $versionpkgdir/$srchash/$src") {
+ $tree->load(\*VERFILE);
+ close VERFILE;
+ }
+ $_versionobj{$src} = $tree;
+ }
+
+ my @found = makesourceversions($status->{package}, undef,
+ @{$status->{found_versions}});
+ my @fixed = makesourceversions($status->{package}, undef,
+ @{$status->{fixed_versions}});
+
+ return $tree->buggy($ver, \@found, \@fixed);
+}
+
+sub getbugstatus {
+ my ($bug,$common_version,$common_dist) = @_;
+ my %status = %$bug;
+
+ my @versions;
+ if (defined $common_version) {
+ @versions = ($common_version);
+ } elsif (defined $common_dist) {
+ @versions = getversions($status{package}, $common_dist, $common_arch);
+ }
+
+ if (not @versions) {
+ $status{"pending"} = 'absent';
+ return \%status;
+ }
+
+ # TODO: This should probably be handled further out for efficiency and
+ # for more ease of distinguishing between pkg= and src= queries.
+ my @sourceversions = makesourceversions($status{package}, $common_arch,
+ @versions);
+
+ $status{"pending"} = 'pending';
+
+ if (@sourceversions) {
+ # Resolve bugginess states (we might be looking at multiple
+ # architectures, say). Found wins, then fixed, then absent.
+ my $maxbuggy = 'absent';
+ for my $version (@sourceversions) {
+ my $buggy = buggyversion($bugnum, $version, \%status);
+ if ($buggy eq 'found') {
+ $maxbuggy = 'found';
+ last;
+ } elsif ($buggy eq 'fixed' and $maxbuggy ne 'found') {
+ $maxbuggy = 'fixed';
+ }
+ }
+ if ($maxbuggy eq 'absent') {
+ $status{"pending"} = 'absent';
+ } elsif ($maxbuggy eq 'fixed') {
+ $status{"pending"} = 'done';
+ }
+ }
+
+ if (length($status{done}) and
+ (not @sourceversions or not @{$status{fixed_versions}})) {
+ $status{"pending"} = 'done';
+ }
+
+ return \%status;
+}
+
+my %_versions;
+my %_binversioncache = ();
+sub getversions {
+ my ($pkg, $dist, $arch) = @_;
+ return () unless defined $versionindex;
+ $dist = 'unstable' unless defined $dist;
+
+ unless (tied %_versions) {
+ tie %_versions, 'MLDBM', $versionindex, O_RDONLY
+ or die "can't open versions index: $!";
+ }
+
+ if (!exists($_binversioncache{$pkg})) {
+ $_binversioncache{$pkg} = \%{ $_versions{$pkg} };
+ }
+ #if ($pkg eq 'atlas3-base') {
+ # require Data::Dumper;
+ # print STDERR Data::Dumper::Dumper($_versions{$pkg});
+ #}
+
+ if (defined $arch and exists $_binversioncache{$pkg}{$dist}{$arch}) {
+ my $ver = $_binversioncache{$pkg}{$dist}{$arch};
+ if (defined($ver)) {
+ return $ver;
+ } else {
+ return ();
+ }
+ } else {
+ my %uniq;
+ for my $ar (keys %{$_binversioncache{$pkg}{$dist}}) {
+ $uniq{$_binversioncache{$pkg}{$dist}{$ar}} = 1 unless ($ar eq 'source' or $ar eq 'm68k' or $ar eq 'hurd-i386');
+ }
+ if (%uniq) {
+ return keys %uniq;
+ } elsif (exists $_binversioncache{$pkg}{$dist}{source}) {
+ # Maybe this is actually a source package with no corresponding
+ # binaries?
+ return $_binversioncache{$pkg}{$dist}{source};
+ } else {
+ return ();
+ }
+ }
+}
+
+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;
+}
+
+my %fields = (originator => 'submitter',
+ date => 'date',
+ subject => 'subject',
+ msgid => 'message-id',
+ 'package' => 'package',
+ keywords => 'tags',
+ done => 'done',
+ forwarded => 'forwarded-to',
+ mergedwith => 'merged-with',
+ severity => 'severity',
+ owner => 'owner',
+ found_versions => 'found-in',
+ fixed_versions => 'fixed-in',
+ blocks => 'blocks',
+ blockedby => 'blocked-by',
+ );
+
+# Fields which need to be RFC1522-decoded in format versions earlier than 3.
+my @rfc1522_fields = qw(originator subject done forwarded owner);
+
+sub readbug {
+ my ($location) = @_;
+ if (!open(S,$location)) { return undef; }
+
+ my %data;
+ my @lines;
+ my $version = 2;
+ local $_;
+
+ while (<S>) {
+ chomp;
+ push @lines, $_;
+ $version = $1 if /^Format-Version: ([0-9]+)/i;
+ }
+
+ # Version 3 is the latest format version currently supported.
+ return undef if $version > 3;
+
+ my %namemap = reverse %fields;
+ for my $line (@lines) {
+ if ($line =~ /(\S+?): (.*)/) {
+ my ($name, $value) = (lc $1, $2);
+ $data{$namemap{$name}} = $value if exists $namemap{$name};
+ }
+ }
+ for my $field (keys %fields) {
+ $data{$field} = '' unless exists $data{$field};
+ }
+
+ close(S);
+
+ $data{severity} = $gDefaultSeverity if $data{severity} eq '';
+ $data{found_versions} = [split ' ', $data{found_versions}];
+ $data{fixed_versions} = [split ' ', $data{fixed_versions}];
+
+ if ($version < 3) {
+ for my $field (@rfc1522_fields) {
+ $data{$field} = decode_rfc1522($data{$field});
+ }
+ }
+
+ return \%data;
+}
+
+sub check_worry {
+ my ($status) = @_;