265 lines
7.5 KiB
Plaintext
265 lines
7.5 KiB
Plaintext
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#! /usr/bin/perl
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$version="1.9.17"; # diverted from dpkg 1.9.17
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%kmap= ('optional','suggests',
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'recommended','recommends',
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'class','priority',
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'package_revision','revision');
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@fieldpri= ('Package',
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'Version',
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'Priority',
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'Section',
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'Essential',
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'Maintainer',
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'Pre-Depends',
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'Depends',
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'Recommends',
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'Suggests',
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'Conflicts',
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'Provides',
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'Replaces',
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'Architecture',
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'Filename',
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'Size',
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'MD5sum',
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'Description');
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$written=0;
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$i=100; grep($pri{$_}=$i--,@fieldpri);
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if ($#ARGV > -1 && $ARGV[0] eq "-m") {
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shift(@ARGV);
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$opt_medium = shift(@ARGV); }
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if ($#ARGV > -1 && $ARGV[0] eq "-a") {
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shift(@ARGV);
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$opt_arch = shift(@ARGV); }
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$#ARGV == 1 || $#ARGV == 2
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or die "Usage: dpkg-scanpackages [-m medium] [-a architecture ] binarypath overridefile [pathprefix] > Packages
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\te.g. dpkg-scanpackages -m 'Debian GNU/Linux -a i386 binary-i386' \\
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\t\tbinary-i386 /pub/debian/indices/override.hamm.gz \\
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\t\tdists/stable/ > binary-i386/Packages\n";
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($binarydir, $override, $pathprefix) = @ARGV;
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-d $binarydir or die "Binary dir $binarydir not found\n";
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-e $override or die "Override file $override not found\n";
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sub vercmp {
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($a,$b)=@_;
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return $vercache{$a,$b} if defined($vercache{$a,$b});
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system("dpkg --compare-versions $a le $b");
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$vercache{$a,$a}=$?;
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return $?;
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}
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# The extra slash causes symlinks to be followed.
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open(F,"find $binarydir/ -follow -name '*.deb' -print |")
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or die "Couldn't open pipe to find: $!\n";
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# Note: contrib and other sections are written as contrib/foo in
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# the overrides and control file
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($sectdir) = "$pathprefix/$binarydir" =~ m:dists/[^\\]+/([^/]+/):;
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$sectdir =~ s:(main|hamm)/::;
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while (<F>) {
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chomp($fn=$_);
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substr($fn,0,length($binarydir)) eq $binarydir
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or die "$fn not in binary dir $binarydir\n";
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$t= `dpkg-deb -I $fn control`;
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if ($t eq "") {
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warn "Couldn't call dpkg-deb on $fn: $!, skipping package\n";
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next;
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}
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if ($?) {
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warn "\`dpkg-deb -I $fn control' exited with $?, skipping package\n";
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next;
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}
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undef %tv;
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$o= $t;
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while ($t =~ s/^\n*(\S+):[ \t]*(.*(\n[ \t].*)*)\n//) {
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$k= lc $1; $v= $2;
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if (defined($kmap{$k})) { $k= $kmap{$k}; }
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if (@kn= grep($k eq lc $_, @fieldpri)) {
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@kn==1 || die $k;
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$k= $kn[0];
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}
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$v =~ s/\s+$//;
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$tv{$k}= $v;
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}
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$t =~ /^\n*$/
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or die "Unprocessed text from $fn control file; info:\n$o / $t\n";
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defined($tv{'Package'})
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or die "No Package field in control file of $fn\n";
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$p= $tv{'Package'}; delete $tv{'Package'};
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$arch=$tv{'Architecture'};
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if (defined($opt_arch)) {
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if ($arch =~ $opt_arch || $arch =~ "all") {
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# print(STDERR " ! Package $p ($fn) is for the correct architecture $opt_arch: $arch\n");
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} else {
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# print(STDERR " ! Package $p ($fn) is not for the correct architecture $opt_arch: $arch\n");
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next;
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}
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}
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if (defined($p1{$p})) {
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if (&vercmp($tv{'Version'}, $pv{$p,'Version'})) {
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print(STDERR " ! Package $p (filename $fn) is repeat but newer version;\n".
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" used that one and ignored data from $pfilename{$p} !\n")
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|| die $!;
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delete $p1{$p};
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for $k (keys %k1) {
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delete $pv{$p,$k};
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}
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} else {
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print(STDERR " ! Package $p (filename $fn) is repeat;\n".
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" ignored that one and using data from $pfilename{$p} !\n")
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|| die $!;
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next;
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}
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}
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print(STDERR " ! Package $p (filename $fn) has Filename field!\n") || die $!
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if defined($tv{'Filename'});
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$tv{'Filename'}= "$pathprefix$fn";
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open(C,"md5sum $fn |") || die "$fn $!";
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chop($_=<C>); close(C); $? and die "\`md5sum < $fn' exited with $?\n";
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/^[0-9a-f]{32}/ or die "Strange text from \`md5sum < $fn': \`$_'\n";
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s/\ .*$//;
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$tv{'MD5sum'}= $_;
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@stat= stat($fn) or die "Couldn't stat $fn: $!\n";
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$stat[7] or die "$fn is empty\n";
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$tv{'Size'}= $stat[7];
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if (length($tv{'Revision'})) {
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$tv{'Version'}.= '-'.$tv{'Revision'};
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delete $tv{'Revision'};
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}
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for $k (keys %tv) {
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$pv{$p,$k}= $tv{$k};
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$k1{$k}= 1;
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$p1{$p}= 1;
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}
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$_= substr($fn,length($binarydir));
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s#/[^/]+$##; s#^/*##;
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$psubdir{$p}= $_;
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$pfilename{$p}= $fn;
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}
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close(F);
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$? and warn "find exited with $?\n";
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select(STDERR); $= = 1000; select(STDOUT);
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format STDERR =
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^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
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$packages
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.
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sub writelist {
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$title= shift(@_);
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return unless @_;
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print(STDERR " $title\n") || die $!;
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$packages= join(' ',sort @_);
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while (length($packages)) { write(STDERR) || die $!; }
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print(STDERR "\n") || die $!;
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}
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@samemaint=();
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if ($override =~ /\.gz$/) {
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open(O, "zcat $override|")
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or die "Couldn't open override file $override: $!\n";
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} else {
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open(O, $override)
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or die "Couldn't open override file $override: $!\n";
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}
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while (<O>) {
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s/\#.*//;
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s/\s+$//;
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($p,$priority,$section,$maintainer)= split(/\s+/,$_,4);
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next unless defined($p1{$p});
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if (length($maintainer)) {
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if ($maintainer =~ m/\s*=\>\s*/) {
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$oldmaint= $`; $newmaint= $'; $debmaint= $pv{$p,'Maintainer'};
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if (!grep($debmaint eq $_, split(m:\s*//\s*:, $oldmaint))) {
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push(@changedmaint,
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" $p (package says $pv{$p,'Maintainer'}, not $oldmaint)\n");
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} else {
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$pv{$p,'Maintainer'}= $newmaint;
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}
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} elsif ($pv{$p,'Maintainer'} eq $maintainer) {
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push(@samemaint," $p ($maintainer)\n");
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} else {
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print(STDERR " * Unconditional maintainer override for $p *\n") || die $!;
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$pv{$p,'Maintainer'}= $maintainer;
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}
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}
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$pv{$p,'Priority'}= $priority;
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$pv{$p,'Section'}= $section;
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($sectioncut = $section) =~ s:^[^/]*/::;
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if (length($psubdir{$p}) && $section ne $psubdir{$p} &&
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$sectioncut ne $psubdir{$p}) {
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print(STDERR " !! Package $p has \`Section: $section',".
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" but file is in \`$psubdir{$p}' !!\n") || die $!;
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$ouches++;
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}
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$o1{$p}= 1;
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}
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close(O);
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print(STDERR "\n") || die $! if $ouches;
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$k1{'Maintainer'}= 1;
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$k1{'Priority'}= 1;
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$k1{'Section'}= 1;
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@missingover=();
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for $p (sort keys %p1) {
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if (!defined($o1{$p})) {
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push(@missingover,$p);
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}
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$r= "Package: $p\n";
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for $k (sort { $pri{$b} <=> $pri{$a} } keys %k1) {
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next unless length($pv{$p,$k});
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$r.= "$k: $pv{$p,$k}\n";
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}
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$r.= "X-Medium: $opt_medium\n" if (defined $opt_medium);
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$r.= "\n";
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$written++;
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$p1{$p}= 1;
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print(STDOUT $r) or die "Failed when writing stdout: $!\n";
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}
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close(STDOUT) or die "Couldn't close stdout: $!\n";
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@spuriousover= grep(!defined($p1{$_}),sort keys %o1);
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&writelist("** Packages in archive but missing from override file: **",
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@missingover);
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if (@changedmaint) {
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print(STDERR
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" ++ Packages in override file with incorrect old maintainer value: ++\n",
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@changedmaint,
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"\n") || die $!;
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}
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if (@samemaint) {
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print(STDERR
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" -- Packages specifying same maintainer as override file: --\n",
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@samemaint,
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"\n") || die $!;
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}
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if (@spuriousover) {
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print(STDERR
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" -- Packages in override file but not in archive: --\n",
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@spuriousover,
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"\n") || die $!;
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}
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print(STDERR " Wrote $written entries to output Packages file.\n") || die $!;
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