use Carp qw(croak);
use POSIX qw(strftime);
use PublicInbox::OverIdx;
+use PublicInbox::Spawn qw(spawn);
require PublicInbox::Git;
use Compress::Zlib qw(compress);
my $mids = mids($mime->header_obj);
$mid0 = $mids->[0] unless defined $mid0; # v1 compatibility
unless (defined $num) { # v1
- my $mm = $self->_msgmap_init;
- $num = $mm->mid_insert($mid0) || $mm->num_for($mid0);
+ $self->_msgmap_init;
+ $num = index_mm($self, $mime);
}
eval {
my $smsg = PublicInbox::SearchMsg->new($mime);
my ($self, $mime) = @_;
my $mid = mid_clean(mid_mime($mime));
my $mm = $self->{mm};
- my $num = $mm->mid_insert($mid);
- return $num if defined $num;
+ my $num;
+
+ if (defined $self->{regen_down}) {
+ $num = $mm->num_for($mid) and return $num;
+
+ while (($num = $self->{regen_down}--) > 0) {
+ if ($mm->mid_set($num, $mid) != 0) {
+ return $num;
+ }
+ }
+ } elsif (defined $self->{regen_up}) {
+ $num = $mm->num_for($mid) and return $num;
+
+ # this is to fixup old bugs due to add-remove-add
+ while (($num = ++$self->{regen_up})) {
+ if ($mm->mid_set($num, $mid) != 0) {
+ return $num;
+ }
+ }
+ }
+
+ $num = $mm->mid_insert($mid) and return $num;
# fallback to num_for since filters like RubyLang set the number
$mm->num_for($mid);
$self->{mm}->mid_delete(mid_clean(mid_mime($mime)));
}
-sub index_mm2 {
- my ($self, $mime, $bytes, $blob) = @_;
- my $num = $self->{mm}->num_for(mid_clean(mid_mime($mime)));
- add_message($self, $mime, $bytes, $num, $blob);
-}
-
-sub unindex_mm2 {
- my ($self, $mime) = @_;
- $self->{mm}->mid_delete(mid_clean(mid_mime($mime)));
- unindex_blob($self, $mime);
-}
-
sub index_both {
my ($self, $mime, $bytes, $blob) = @_;
my $num = index_mm($self, $mime);
$$max -= $bytes;
if ($$max <= 0) {
$$max = BATCH_BYTES;
- $batch_cb->($latest, 1);
+ $batch_cb->($latest);
}
}
# only for v1
-sub rlog {
+sub read_log {
my ($self, $log, $add_cb, $del_cb, $batch_cb) = @_;
my $hex = '[a-f0-9]';
my $h40 = $hex .'{40}';
my $bytes;
my $max = BATCH_BYTES;
local $/ = "\n";
+ my %D;
my $line;
+ my $newest;
+ my $mid = '20170114215743.5igbjup6qpsh3jfg@genre.crustytoothpaste.net';
while (defined($line = <$log>)) {
if ($line =~ /$addmsg/o) {
my $blob = $1;
+ delete $D{$blob} and next;
my $mime = do_cat_mail($git, $blob, \$bytes) or next;
+ my $mids = mids($mime->header_obj);
+ foreach (@$mids) {
+ warn "ADD $mid\n" if ($_ eq $mid);
+ }
batch_adjust(\$max, $bytes, $batch_cb, $latest);
$add_cb->($self, $mime, $bytes, $blob);
} elsif ($line =~ /$delmsg/o) {
my $blob = $1;
- my $mime = do_cat_mail($git, $blob, \$bytes) or next;
- batch_adjust(\$max, $bytes, $batch_cb, $latest);
- $del_cb->($self, $mime);
+ $D{$blob} = 1;
} elsif ($line =~ /^commit ($h40)/o) {
$latest = $1;
+ $newest ||= $latest;
+ }
+ }
+ # get the leftovers
+ foreach my $blob (keys %D) {
+ my $mime = do_cat_mail($git, $blob, \$bytes) or next;
+ my $mids = mids($mime->header_obj);
+ foreach (@$mids) {
+ warn "DEL $mid\n" if ($_ eq $mid);
}
+ $del_cb->($self, $mime);
}
- $batch_cb->($latest, 0);
+ $batch_cb->($latest, $newest);
}
sub _msgmap_init {
sub _git_log {
my ($self, $range) = @_;
- $self->{git}->popen(qw/log --reverse --no-notes --no-color
+ my $git = $self->{git};
+
+ if (index($range, '..') < 0) {
+ my $regen_max = 0;
+ # can't use 'rev-list --count' if we use --diff-filter
+ my $fh = $git->popen(qw(log --pretty=tformat:%h
+ --no-notes --no-color --no-renames
+ --diff-filter=AM), $range);
+ ++$regen_max while <$fh>;
+ my (undef, $max) = $self->{mm}->minmax;
+
+ if ($max && $max == $regen_max) {
+ # fix up old bugs in full indexes which caused messages to
+ # not appear in Msgmap
+ $self->{regen_up} = $max;
+ } else {
+ # normal regen is for for fresh data
+ $self->{regen_down} = $regen_max;
+ }
+ }
+
+ $git->popen(qw/log --no-notes --no-color --no-renames
--raw -r --no-abbrev/, $range);
}
+sub is_ancestor ($$$) {
+ my ($git, $cur, $tip) = @_;
+ return 0 unless $git->check($cur);
+ my $cmd = [ 'git', "--git-dir=$git->{git_dir}",
+ qw(merge-base --is-ancestor), $cur, $tip ];
+ my $pid = spawn($cmd);
+ defined $pid or die "spawning ".join(' ', @$cmd)." failed: $!";
+ waitpid($pid, 0) == $pid or die join(' ', @$cmd) .' did not finish';
+ $? == 0;
+}
+
+sub need_update ($$$) {
+ my ($self, $cur, $new) = @_;
+ my $git = $self->{git};
+ return 1 if $cur && !is_ancestor($git, $cur, $new);
+ my $range = $cur eq '' ? $new : "$cur..$new";
+ chomp(my $n = $git->qx(qw(rev-list --count), $range));
+ ($n eq '' || $n > 0);
+}
+
# indexes all unindexed messages (v1 only)
sub _index_sync {
my ($self, $opts) = @_;
my $tip = $opts->{ref} || 'HEAD';
my $reindex = $opts->{reindex};
my ($mkey, $last_commit, $lx, $xlog);
- $self->{git}->batch_prepare;
+ my $git = $self->{git};
+ $git->batch_prepare;
+
my $xdb = $self->begin_txn_lazy;
+ my $mm = _msgmap_init($self);
do {
$xlog = undef;
$mkey = 'last_commit';
$lx = '';
$mkey = undef if $last_commit ne '';
}
+
+ # use last_commit from msgmap if it is older or unset
+ my $lm = $mm->last_commit || '';
+ if (!$lm || ($lm && $lx && is_ancestor($git, $lm, $lx))) {
+ $lx = $lm;
+ }
+
$self->{over}->rollback_lazy;
$self->{over}->disconnect;
delete $self->{txn};
$xdb->cancel_transaction;
$xdb = _xdb_release($self);
- # ensure we leak no FDs to "git log"
+ # ensure we leak no FDs to "git log" with Xapian <= 1.2
my $range = $lx eq '' ? $tip : "$lx..$tip";
$xlog = _git_log($self, $range);
$xdb = $self->begin_txn_lazy;
} while ($xdb->get_metadata('last_commit') ne $last_commit);
- my $mm = _msgmap_init($self);
my $dbh = $mm->{dbh} if $mm;
- my $mm_only;
my $cb = sub {
- my ($commit, $more) = @_;
+ my ($commit, $newest) = @_;
if ($dbh) {
- $mm->last_commit($commit) if $commit;
+ if ($newest) {
+ my $cur = $mm->last_commit || '';
+ if (need_update($self, $cur, $newest)) {
+ $mm->last_commit($newest);
+ }
+ }
$dbh->commit;
}
- if (!$mm_only) {
- $xdb->set_metadata($mkey, $commit) if $mkey && $commit;
- $self->commit_txn_lazy;
+ if ($mkey && $newest) {
+ my $cur = $xdb->get_metadata($mkey);
+ if (need_update($self, $cur, $newest)) {
+ $xdb->set_metadata($mkey, $newest);
+ }
}
+ $self->commit_txn_lazy;
# let another process do some work... <
- if ($more) {
- if (!$mm_only) {
- $xdb = $self->begin_txn_lazy;
- }
+ if (!$newest) {
+ $xdb = $self->begin_txn_lazy;
$dbh->begin_work if $dbh;
}
};
- if ($mm) {
- $dbh->begin_work;
- my $lm = $mm->last_commit || '';
- if ($lm eq $lx) {
- # Common case is the indexes are synced,
- # we only need to run git-log once:
- rlog($self, $xlog, *index_both, *unindex_both, $cb);
- } else {
- # Uncommon case, msgmap and xapian are out-of-sync
- # do not care for performance (but git is fast :>)
- # This happens if we have to reindex Xapian since
- # msgmap is a frozen format and our Xapian format
- # is evolving.
- my $r = $lm eq '' ? $tip : "$lm..$tip";
-
- # first, ensure msgmap is up-to-date:
- my $mkey_prev = $mkey;
- $mkey = undef; # ignore xapian, for now
- my $mlog = _git_log($self, $r);
- $mm_only = 1;
- rlog($self, $mlog, *index_mm, *unindex_mm, $cb);
- $mm_only = $mlog = undef;
-
- # now deal with Xapian
- $mkey = $mkey_prev;
- $dbh = undef;
- rlog($self, $xlog, *index_mm2, *unindex_mm2, $cb);
- }
- } else {
- # user didn't install DBD::SQLite and DBI
- rlog($self, $xlog, *add_message, *unindex_blob, $cb);
- }
+ $dbh->begin_work;
+ read_log($self, $xlog, *index_both, *unindex_both, $cb);
}
sub DESTROY {