]> git.donarmstrong.com Git - debbugs.git/blobdiff - bin/debbugs-loadsql
import getbuglocation in loadsql
[debbugs.git] / bin / debbugs-loadsql
index b36a4998747a22513eab8d0b2aeb8d1fb740aad7..fe9ce6b0177200f93940143fa34c52eb8f4b4523 100755 (executable)
@@ -17,10 +17,13 @@ debbugs-loadsql -- load debbugs sql database
 
 =head1 SYNOPSIS
 
-debbugs-loadsql [options]
+debbugs-loadsql [options] [subcommand]
 
+ Subcommands:
+  bugs help versions configuration
+  suites logs packages debinfo
  Options:
-  --quick, -q only load changed bugs
+  --quick, -q only load changed things
   --progress Show progress bar
   --service, -s service name
   --sysconfdir, -c postgresql service config dir
@@ -37,15 +40,45 @@ Display this manual
 
 =head2 bugs
 
-Add bugs
+Add bugs (subject, number, etc) to the database
+
+   --preload create all bugs first, then add information
 
 =head2 versions
 
-Add versions
+Add version descendant information (which version is based on which version) to
+the database
 
 =head2 maintainers
 
-Add source maintainers
+Add source maintainers to the BTS
+
+=head2 configuration
+
+Add debbugs configuration information (tags, severity, etc)
+
+=head2 suites
+
+Add suite information from ftp distribution
+
+  --ftpdists location of FTP mirror
+
+=head2 logs
+
+Add bug logs
+
+=head2 packages
+
+Add package information from the ftp archive
+
+  --ftpdists location of FTP mirror
+  --suites Suite to operate on
+
+=head2 debinfo
+
+Add package information from a debinfo file
+
+  --null -0 names of debinfo files are null separated
 
 =head1 OPTIONS
 
@@ -98,15 +131,33 @@ Display this manual.
 
 use vars qw($DEBUG);
 
-use Debbugs::Common qw(checkpid lockpid get_hashname getparsedaddrs getbugcomponent make_list getsourcemaintainers);
+# if we're running out of git, we want to use the git base directory as the
+# first INC directory. If you're not running out of git, or someone has given a
+# non-absolute INC, don't do that.
+use FindBin;
+use if (-d $FindBin::Bin.'/../.git/' && $INC[0] =~ m#^/#),
+    lib => $FindBin::Bin.'/../';
+
+use Debbugs::Common (qw(checkpid lockpid get_hashname getparsedaddrs),
+                    qw(getbugcomponent make_list getsourcemaintainers),
+                    qw(getbuglocation),
+                    qw(walk_bugs),
+                    qw(hash_slice open_compressed_file),);
 use Debbugs::Config qw(:config);
 use Debbugs::Status qw(read_bug split_status_fields);
 use Debbugs::Log;
 use Debbugs::DB;
-use Debbugs::DB::Load qw(load_bug handle_load_bug_queue);
+use Debbugs::DB::Load qw(:load_bug :load_package :load_suite);
 use DateTime;
 use File::stat;
-
+use File::Basename;
+use File::Spec;
+use File::Find;
+use IO::Dir;
+use IO::File;
+use IO::Uncompress::AnyUncompress;
+use Encode qw(decode_utf8);
+use List::AllUtils qw(natatime);
 
 my %options =
     (debug           => 0,
@@ -123,6 +174,7 @@ Getopt::Long::Configure('pass_through');
 GetOptions(\%options,
            'quick|q',
            'service|s=s',
+          'dsn=s',
            'sysconfdir|c=s',
            'progress!',
            'spool_dir|spool-dir=s',
@@ -138,17 +190,34 @@ $DEBUG = $options{debug};
 
 my %subcommands =
     ('bugs' => {function => \&add_bugs,
+               arguments => {'preload' => 0,
+                             'bugs=s@' => 0,
+                            },
                },
      'versions' => {function => \&add_versions,
                    },
      'debinfo' => {function => \&add_debinfo,
+                   arguments => {'0|null' => 0,
+                                'debinfo_dir|debinfo-dir=s' => 0,
+                               },
                   },
      'maintainers' => {function => \&add_maintainers,
                       },
      'configuration' => {function => \&add_configuration,
                         },
+     'suites' => {function => \&add_suite,
+                 arguments => {'ftpdists=s' => 1,
+                              },
+                 },
      'logs' => {function => \&add_logs,
                },
+     'bugs_and_logs' => {function => \&add_bugs_and_logs,
+                       },
+     'packages' => {function => \&add_packages,
+                   arguments => {'ftpdists=s' => 1,
+                                 'suites=s@' => 0,
+                                },
+                  },
      'help' => {function => sub {pod2usage({verbose => 2});}}
     );
 
@@ -192,6 +261,9 @@ if (not defined $subcommand) {
     pod2usage();
 }
 
+binmode(STDOUT,':encoding(UTF-8)');
+binmode(STDERR,':encoding(UTF-8)');
+
 my $opts =
     handle_subcommand_arguments(\@ARGV,$subcommands{$subcommand}{arguments});
 $subcommands{$subcommand}{function}->(\%options,$opts,$prog_bar,\%config,\@ARGV);
@@ -203,76 +275,63 @@ sub add_bugs {
 
     my $verbose = $options->{debug};
 
-    my $initialdir = "db-h";
-
-    if (defined $argv->[0] and $argv->[0] eq "archive") {
-        $initialdir = "archive";
+    my @dirs;
+    if (@{$argv}) {
+       @dirs = @{$argv};
+    } elsif (not defined $opts->{bugs}) {
+       @dirs = "db-h"
     }
-    my $s = db_connect($options);
+    $opts->{bugs} //= [];
 
-
-    my $time = 0;
-    my $start_time = time;
+    my $s = db_connect($options);
 
 
-    my @dirs = (@{$argv}?@{$argv} : $initialdir);
-    my $cnt = 0;
     my %tags;
     my %severities;
     my %queue;
-    my $tot_dirs = @{$argv}? @{$argv} : 0;
-    my $done_dirs = 0;
-    my $avg_subfiles = 0;
-    my $completed_files = 0;
-    while (my $dir = shift @dirs) {
-        printf "Doing dir %s ...\n", $dir if $verbose;
-
-        opendir(DIR, "$dir/.") or die "opendir $dir: $!";
-        my @subdirs = readdir(DIR);
-        closedir(DIR);
-
-        my @list = map { m/^(\d+)\.summary$/?($1):() } @subdirs;
-        $tot_dirs -= @dirs;
-        push @dirs, map { m/^(\d+)$/ && -d "$dir/$1"?("$dir/$1"):() } @subdirs;
-        $tot_dirs += @dirs;
-        if ($avg_subfiles == 0) {
-            $avg_subfiles = @list;
-        }
 
-        $p->target($avg_subfiles*($tot_dirs-$done_dirs)+$completed_files+@list) if $p;
-        $avg_subfiles = ($avg_subfiles * $done_dirs + @list) / ($done_dirs+1);
-        $done_dirs += 1;
-
-        for my $bug (@list) {
-            $completed_files++;
-            $p->update($completed_files) if $p;
-            print "Up to $cnt bugs...\n" if (++$cnt % 100 == 0 && $verbose);
-            my $stat = stat(getbugcomponent($bug,'summary',$initialdir));
-            if (not defined $stat) {
-                print STDERR "Unable to stat $bug $!\n";
-                next;
-            }
-            if ($options{quick}) {
-                my $rs = $s->resultset('Bug')->search({bug=>$bug})->single();
-                next if defined $rs and $stat->mtime < $rs->last_modified()->epoch();
-            }
-            my $data = read_bug(bug => $bug,
-                                location => $initialdir);
-            eval {
-                load_bug(db => $s,
-                         data => split_status_fields($data),
-                         tags => \%tags,
-                         severities => \%severities,
-                         queue => \%queue);
-            };
-            if ($@) {
-                use Data::Dumper;
-                print STDERR Dumper($data) if $DEBUG;
-                die "failure while trying to load bug $bug\n$@";
-            }
-        }
+    if ($opts->{preload}) {
+       my @bugs;
+       walk_bugs(dirs => [@dirs],
+                 bugs => $opts->{bugs},
+                 callback => sub {
+                     push @bugs,@_;
+                 },
+                 bugs_per_call => 10000
+                );
+       $s->resultset('Bug')->quick_insert_bugs(@bugs);
     }
-    $p->remove() if $p;
+    walk_bugs(dirs => [@dirs],
+             bugs => $opts->{bugs},
+              progress_bar => $p,
+              $verbose?(logging=>\*STDERR):(),
+              callback =>
+             sub {
+               my @bugs = @_;
+               my @bugs_to_update;
+               if ($options{quick}) {
+                   @bugs_to_update =
+                       bugs_to_update($s,@bugs);
+               } else {
+                   @bugs_to_update = @bugs;
+               }
+               eval {
+                 $s->txn_do(sub {
+                              for my $bug (@bugs_to_update) {
+                                load_bug(db => $s,
+                                         bug => $bug,
+                                         tags => \%tags,
+                                         severities => \%severities,
+                                         queue => \%queue);
+                              }
+                            });
+               };
+               if ($@) {
+                 die "failure while trying to load bug: $@";
+               }
+              },
+             bugs_per_call => 50
+             );
     handle_load_bug_queue(db => $s,
                           queue => \%queue);
 }
@@ -302,19 +361,21 @@ sub add_versions {
             my $sp;
             if (not defined $src_pkgs{$versions[$i][0]}) {
                 $src_pkgs{$versions[$i][0]} =
-                    $s->resultset('SrcPkg')->find_or_create({pkg => $versions[$i][0]});
+                    $s->resultset('SrcPkg')->
+                   get_or_create_src_pkg_id($versions[$i][0]);
             }
             $sp = $src_pkgs{$versions[$i][0]};
             # There's probably something wrong if the source package
             # doesn't exist, but we'll skip it for now
-            next unless defined $sp;
-            my $sv = $s->resultset('SrcVer')->find({src_pkg=>$sp->id(),
+            last if not defined $sp;
+            my $sv = $s->resultset('SrcVer')->find({src_pkg=>$sp,
                                                     ver => $versions[$i][1],
                                                    });
+           last if not defined $sv;
             if (defined $ancestor_sv and defined $sv and not defined $sv->based_on()) {
-                $sv->update({based_on => $ancestor_sv->id()})
+                $sv->update({based_on => $ancestor_sv})
             }
-            $ancestor_sv = $sv;
+            $ancestor_sv = $sv->id();
         }
         $p->update() if $p;
     }
@@ -325,44 +386,80 @@ sub add_debinfo {
     my ($options,$opts,$p,$config,$argv) = @_;
 
     my @files = @{$argv};
+    if (exists $opts->{debinfo_dir} and not @files) {
+       find(sub {
+                if (-f $_ and /\.debinfo$/) {
+                    push @files, $File::Find::name;
+                }
+            },
+            $opts->{debinfo_dir}
+           );
+    }
+    if (not @files) {
+       {
+          local $/ = "\n";
+           local $/ = "\0" if $opts->{0};
+           while (<STDIN>) {
+              s/\n$// unless $opts->{0};
+              s/\0$// if $opts->{0};
+               push @files, $_;
+           }
+       }
+    }
     return unless @files;
     my $s = db_connect($options);
-    my %arch;
     $p->target(scalar @files) if $p;
-    for my $file (@files) {
-        my $fh = IO::File->new($file,'r') or
-            die "Unable to open $file for reading: $!";
-        my $f_stat = stat($file);
-        while (<$fh>) {
-            chomp;
-            next unless length $_;
-            my ($binname, $binver, $binarch, $srcname, $srcver) = split;
-            # if $srcver is not defined, this is probably a broken
-            # .debinfo file [they were causing #686106, see commit
-            # 49c85ab8 in dak.] Basically, $binarch didn't get put into
-            # the file, so we'll fudge it from the filename.
-            if (not defined $srcver) {
-                ($srcname,$srcver) = ($binarch,$srcname);
-                ($binarch) = $file =~ /_([^\.]+)\.debinfo/;
-            }
-            my $sp = $s->resultset('SrcPkg')->find_or_create({pkg => $srcname});
-            my $sv = $s->resultset('SrcVer')->find_or_create({src_pkg =>$sp->id(),
-                                                              ver => $srcver});
-            my $arch;
-            if (defined $arch{$binarch}) {
-                $arch = $arch{$binarch};
-            } else {
-                $arch = $s->resultset('Arch')->find_or_create({arch => $binarch});
-                $arch{$binarch} = $arch;
-            }
-            my $bp = $s->resultset('BinPkg')->find_or_create({pkg => $binname});
-            $s->resultset('BinVer')->find_or_create({bin_pkg => $bp->id(),
-                                                     src_ver => $sv->id(),
-                                                     arch    => $arch->id(),
-                                                     ver        => $binver,
-                                                    });
-        }
-        $p->update() if $p;
+    my $it = natatime 100, @files;
+    while (my @v = $it->()) {
+       my %cache;
+       my @debinfos;
+FILE:  for my $file (@v) {
+           my $fh = IO::File->new($file,'r') or
+               die "Unable to open $file for reading: $!";
+           my $f_stat = stat($file);
+           my $ct_date = DateTime->from_epoch(epoch => $f_stat->ctime);
+           my @file_debinfos;
+           while (<$fh>) {
+               chomp;
+               next unless length $_;
+               my ($binname, $binver, $binarch, $srcname, $srcver) = split;
+               # if $srcver is not defined, this is probably a broken
+               # .debinfo file [they were causing #686106, see commit
+               # 49c85ab8 in dak.] Basically, $binarch didn't get put into
+               # the file, so we'll fudge it from the filename.
+               if (not defined $srcver) {
+                   ($srcname,$srcver) = ($binarch,$srcname);
+                   ($binarch) = $file =~ /_([a-z0-9-]+)\.debinfo/;
+               }
+               # It turns out that there are debinfo files which are horribly
+               # screwed up, and have junk in them. We need to discard them
+               # completely
+               if (not defined $srcname or
+                   not defined $srcver or
+                   not defined $binname or
+                   not defined $binver or
+                   not defined $binarch or
+                   $srcname !~ /^$config{package_name_re}$/o or
+                   $binname !~ /^$config{package_name_re}$/o or
+                   $srcver !~ /^$config{package_version_re}$/o or
+                   $binver !~ /^$config{package_version_re}$/o
+                  ) {
+                   print STDERR "malformed debinfo: $file\n$_\n";
+                   next FILE;
+               }
+               push @file_debinfos,
+                   [$binname,$binver,$binarch,$srcname,$srcver,$ct_date];
+           }
+           push @debinfos,
+               @file_debinfos;
+       }
+       $s->txn_do(
+           sub {
+               for my $di (@debinfos) {
+                   Debbugs::DB::Load::load_debinfo($s,@{$di}[0..5],\%cache);
+               }
+           });
+       $p->update($p->last_update()+@v) if $p;
     }
     $p->remove() if $p;
 }
@@ -371,53 +468,288 @@ sub add_maintainers {
     my ($options,$opts,$p,$config,$argv) = @_;
 
     my $s = db_connect($options);
-    my $maintainers = getsourcemaintainers();
-    $p->target(scalar keys %{$maintainers}) if $p;
-    for my $pkg (keys %{$maintainers}) {
-        my $maint = $maintainers->{$pkg};
-        # see if a maintainer already exists; if so, we don't do
-        # anything here
-        my $maint_r = $s->resultset('Maintainer')->
-            find({name => $maint});
-        if (not defined $maint_r) {
-            # get e-mail address of maintainer
-            my $addr = getparsedaddrs($maint);
-            my $e_mail = $addr->address();
-            my $full_name = $addr->phrase();
-            $full_name =~ s/^\"|\"$//g;
-            $full_name =~ s/^\s+|\s+$//g;
-            # find correspondent
-            my $correspondent = $s->resultset('Correspondent')->
-                find_or_create({addr => $e_mail});
-            if (length $full_name) {
-                my $c_full_name = $correspondent->find_or_create_related('correspondent_full_names',
-                                                                        {full_name => $full_name}) if length $full_name;
-                $c_full_name->update({last_seen => 'NOW()'});
-            }
-            $maint_r =
-                $s->resultset('Maintainer')->
-                find_or_create({name => $maint,
-                                correspondent => $correspondent,
-                               });
-        }
-        # add the maintainer to the source package for packages with
-        # no maintainer
-        $s->txn_do(sub {
-                      $s->resultset('SrcPkg')->search({pkg => $pkg})->
-                          search_related_rs('src_vers',{ maintainer => undef})->
-                          update_all({maintainer => $maint_r->id()});
-                  });
-        $p->update() if $p;
+    my $maintainers = getsourcemaintainers() // {};
+    $p->target(2) if $p;
+    ## get all of the maintainers, and add the missing ones
+    my $maints = $s->resultset('Maintainer')->
+       get_maintainers(values %{$maintainers});
+    $p->update() if $p;
+    my @svs = $s->resultset('SrcVer')->
+       search({maintainer => undef
+              },
+             {join => 'src_pkg',
+              group_by => 'me.src_pkg, src_pkg.pkg',
+              result_class => 'DBIx::Class::ResultClass::HashRefInflator',
+              columns => [qw(me.src_pkg src_pkg.pkg)],
+             }
+             )->all();
+    $p->target(2+@svs) if $p;
+    $p->update() if $p;
+    for my $sv (@svs) {
+       if (exists $maintainers->{$sv->{src_pkg}{pkg}}) {
+           my $pkg = $sv->{src_pkg}{pkg};
+           my $maint = $maints->
+              {$maintainers->{$pkg}};
+           $s->txn_do(sub {$s->resultset('SrcVer')->
+                               search({maintainer => undef,
+                                       'src_pkg.pkg' => $pkg
+                                      },
+                                     {join => 'src_pkg'}
+                                     )->update({maintainer => $maint})
+                                 });
+       }
+       $p->update() if $p;
     }
     $p->remove() if $p;
 }
 
 sub add_configuration {
     my ($options,$opts,$p,$config,$argv) = @_;
+
+    my $s = db_connect($options);
+
+    # tags
+    # add all tags
+    my %tags;
+    for my $tag (@{$config{tags}}) {
+       $tags{$tag} = 1;
+       $s->resultset('Tag')->find_or_create({tag => $tag});
+    }
+    # mark obsolete tags
+    for my $tag ($s->resultset('Tag')->search_rs()->all()) {
+       next if exists $tags{$tag->tag};
+       $tag->obsolete(1);
+       $tag->update;
+    }
+
+    # severities
+    my %sev_names;
+    my $order = -1;
+    for my $sev_name (($config{default_severity},@{$config{severity_list}})) {
+        # add all severitites
+        my $sev = $s->resultset('Severity')->find_or_create({severity => $sev_name});
+        # mark strong severities
+        if (grep {$_ eq $sev_name} @{$config{strong_severities}}) {
+            $sev->strong(1);
+        }
+        $sev->ordering($order);
+        $sev->update();
+        $order++;
+        $sev_names{$sev_name} = 1;
+    }
+    # mark obsolete severities
+    for my $sev ($s->resultset('Severity')->search_rs()->all()) {
+        next if exists $sev_names{$sev->severity()};
+        $sev->obsolete(1);
+        $sev->update();
+    }
+}
+
+sub add_suite {
+    my ($options,$opts,$p,$config,$argv) = @_;
+    # suites
+
+    my $s = db_connect($options);
+    my $dist_dir = IO::Dir->new($opts->{ftpdists});
+    my @dist_names =
+       grep { $_ !~ /^\./ and
+              -d $opts->{ftpdists}.'/'.$_ and
+              not -l $opts->{ftpdists}.'/'.$_
+          } $dist_dir->read;
+    while (my $dist = shift @dist_names) {
+       my $dist_dir = $opts->{ftpdists}.'/'.$dist;
+       my ($dist_info,$package_files) =
+           read_release_file($dist_dir.'/Release');
+       load_suite($s,$dist_info);
+    }
 }
 
 sub add_logs {
     my ($options,$opts,$p,$config,$argv) = @_;
+
+    chdir($config->{spool_dir}) or
+        die "chdir $config->{spool_dir} failed: $!";
+
+    my $verbose = $options->{debug};
+
+    my $initialdir = "db-h";
+
+    if (defined $argv->[0] and $argv->[0] eq "archive") {
+        $initialdir = "archive";
+    }
+    my $s = db_connect($options);
+
+    walk_bugs(dirs => [(@{$argv}?@{$argv} : $initialdir)],
+              progress_bar => $p,
+              bug_file => 'log',
+              $verbose?(logging => \*STDERR):(),
+              callback =>
+             sub {
+                  my $bug = shift;
+                 my $stat = stat(getbugcomponent($bug,'log',$initialdir));
+                  if (not defined $stat) {
+                      print STDERR "Unable to stat $bug $!\n";
+                      next;
+                  }
+                  if ($options{quick}) {
+                      my $rs = $s->resultset('Bug')->
+                         search({id=>$bug})->single();
+                      return if defined $rs and
+                         $stat->mtime <= $rs->last_modified()->epoch();
+                  }
+                  eval {
+                      load_bug_log(db => $s,
+                                   bug => $bug);
+                  };
+                  if ($@) {
+                      die "failure while trying to load bug log $bug\n$@";
+                  }
+              });
+}
+
+sub add_bugs_and_logs {
+    my ($options,$opts,$p,$config,$argv) = @_;
+
+    chdir($config->{spool_dir}) or
+        die "chdir $config->{spool_dir} failed: $!";
+
+    my $verbose = $options->{debug};
+
+    my $initialdir = "db-h";
+
+    if (defined $argv->[0] and $argv->[0] eq "archive") {
+        $initialdir = "archive";
+    }
+    my $s = db_connect($options);
+
+    my %tags;
+    my %severities;
+    my %queue;
+
+    walk_bugs(dirs => [(@{$argv}?@{$argv} : $initialdir)],
+              progress_bar => $p,
+              $verbose?(logging => \*STDERR):(),
+              callback =>
+             sub {
+                  my @bugs = @_;
+                 my @bugs_to_update;
+                 if ($options{quick}) {
+                     @bugs_to_update =
+                         bugs_to_update($s,@bugs);
+                 } else {
+                     @bugs_to_update = @bugs;
+                 }
+                 eval {
+                     $s->txn_do(sub {
+                                    for my $bug (@bugs_to_update) {
+                                        load_bug(db => $s,
+                                                 bug => $bug,
+                                                 tags => \%tags,
+                                                 severities => \%severities,
+                                                 queue => \%queue);
+                                    }
+                                });
+                 };
+                 if ($@) {
+                     die "failure while trying to load bug: $@";
+                 }
+                 for my $bug (@bugs) {
+                     my $stat = stat(getbugcomponent($bug,'log',$initialdir));
+                     if (not defined $stat) {
+                         print STDERR "Unable to stat $bug $!\n";
+                         next;
+                     }
+                     if ($options{quick}) {
+                         my $rs = $s->resultset('Bug')->
+                             search({id=>$bug})->single();
+                         return if defined $rs and
+                             $stat->mtime <= $rs->last_modified()->epoch();
+                     }
+                     eval {
+                         load_bug_log(db => $s,
+                                      bug => $bug);
+                     };
+                     if ($@) {
+                         die "failure while trying to load bug log $bug\n$@";
+                     }
+                 }
+              },
+             bugs_per_call => 50,
+            );
+    handle_load_bug_queue(db=>$s,
+                         queue => \%queue,
+                        );
+
+}
+
+sub add_packages {
+    my ($options,$opts,$p,$config,$argv) = @_;
+
+    my $dist_dir = IO::Dir->new($opts->{ftpdists});
+    my @dist_names =
+       grep { $_ !~ /^\./ and
+              -d $opts->{ftpdists}.'/'.$_ and
+              not -l $opts->{ftpdists}.'/'.$_
+          } $dist_dir->read;
+    my %s_p;
+    while (my $dist = shift @dist_names) {
+       my $dist_dir = $opts->{ftpdists}.'/'.$dist;
+       my ($dist_info,$package_files) =
+           read_release_file($dist_dir.'/Release');
+       $s_p{$dist_info->{Codename}} = $package_files;
+    }
+    my $tot = 0;
+    for my $suite (keys %s_p) {
+       for my $component (keys %{$s_p{$suite}}) {
+           $tot += scalar keys %{$s_p{$suite}{$component}};
+       }
+    }
+    $p->target($tot) if $p;
+    my $i = 0;
+    my $avg_pkgs = 0;
+    my $tot_suites = scalar keys %s_p;
+    my $done_suites=0;
+    my $completed_pkgs=0;
+    # parse packages files
+    for my $suite (keys %s_p) {
+       my @pkgs;
+       for my $component (keys %{$s_p{$suite}}) {
+           my @archs = keys %{$s_p{$suite}{$component}};
+           if (grep {$_ eq 'source'} @archs) {
+               @archs = ('source',grep {$_ ne 'source'} @archs);
+           }
+           for my $arch (@archs) {
+               my $pfh =  open_compressed_file($s_p{$suite}{$component}{$arch}) or
+                   die "Unable to open $s_p{$suite}{$component}{$arch} for reading: $!";
+               local $_;
+               local $/ = '';  # paragraph mode
+               while (<$pfh>) {
+                   my %pkg;
+                   for my $field (qw(Package Maintainer Version Source)) {
+                       /^\Q$field\E: (.*)/m;
+                       $pkg{$field} = $1;
+                   }
+                   next unless defined $pkg{Package} and
+                       defined $pkg{Version};
+                   push @pkgs,[$arch,$component,\%pkg];
+               }
+           }
+       }
+       my $s = db_connect($options);
+       if ($avg_pkgs==0) {
+           $avg_pkgs = @pkgs;
+       }
+        $p->target($avg_pkgs*($tot_suites-$done_suites-1)+
+                  $completed_pkgs+@pkgs) if $p;
+       load_packages($s,
+                     $suite,
+                     \@pkgs,
+                     $p);
+       $avg_pkgs=($avg_pkgs*$done_suites + @pkgs)/($done_suites+1);
+       $completed_pkgs += @pkgs;
+       $done_suites++;
+    }
+    $p->remove() if $p;
 }
 
 sub handle_subcommand_arguments {
@@ -457,10 +789,57 @@ sub db_connect {
     my ($options) = @_;
     # connect to the database; figure out how to handle errors
     # properly here.
-    my $s = Debbugs::DB->connect('dbi:Pg:service='.$options->{service}) or
+    my $s = Debbugs::DB->connect($options->{dsn} //
+                                $options->{service}) or
         die "Unable to connect to database: ";
 }
 
+sub read_release_file {
+    my ($file) = @_;
+    # parse release
+    my $rfh =  open_compressed_file($file) or
+       die "Unable to open $file for reading: $!";
+    my %dist_info;
+    my $in_sha1;
+    my %p_f;
+    while (<$rfh>) {
+       chomp;
+       if (s/^(\S+):\s*//) {
+           if ($1 eq 'SHA1'or $1 eq 'SHA256') {
+               $in_sha1 = 1;
+               next;
+           }
+           $dist_info{$1} = $_;
+       } elsif ($in_sha1) {
+           s/^\s//;
+           my ($sha,$size,$f) = split /\s+/,$_;
+           next unless $f =~ /(?:Packages|Sources)(?:\.gz|\.xz)$/;
+           next unless $f =~ m{^([^/]+)/([^/]+)/([^/]+)$};
+           my ($component,$arch,$package_source) = ($1,$2,$3);
+           $arch =~ s/binary-//;
+           next if exists $p_f{$component}{$arch};
+           $p_f{$component}{$arch} = File::Spec->catfile(dirname($file),$f);
+       }
+    }
+    return (\%dist_info,\%p_f);
+}
+
+
+sub bugs_to_update {
+    my ($s,@bugs) = @_;
+    my @bugs_to_update;
+    for my $bug (@bugs) {
+       my $stat = stat(getbugcomponent($bug,'summary',getbuglocation($bug,'summary')));
+       if (not defined $stat) {
+           print STDERR "Unable to stat $bug $!\n";
+           next;
+       }
+       my $rs = $s->resultset('Bug')->search({id=>$bug})->single();
+       next if defined $rs and $stat->mtime <= $rs->last_modified()->epoch();
+       push @bugs_to_update, $bug;
+    }
+    @bugs_to_update;
+}
 
 
 __END__