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-rw-r--r--lib/PublicInbox/ExtSearchIdx.pm66
1 files changed, 53 insertions, 13 deletions
diff --git a/lib/PublicInbox/ExtSearchIdx.pm b/lib/PublicInbox/ExtSearchIdx.pm
index 026e1377..bfe39891 100644
--- a/lib/PublicInbox/ExtSearchIdx.pm
+++ b/lib/PublicInbox/ExtSearchIdx.pm
@@ -19,7 +19,7 @@ use v5.10.1;
 use parent qw(PublicInbox::ExtSearch PublicInbox::Lock);
 use Carp qw(croak carp);
 use PublicInbox::Search;
-use PublicInbox::SearchIdx qw(crlf_adjust prepare_stack);
+use PublicInbox::SearchIdx qw(crlf_adjust prepare_stack is_ancestor);
 use PublicInbox::OverIdx;
 use PublicInbox::MID qw(mids);
 use PublicInbox::V2Writable;
@@ -119,6 +119,7 @@ sub do_xpost ($$) {
                 $self->{oidx}->add_xref3($docid, $xnum, $oid, $xibx->eidx_key);
                 $idx->shard_add_eidx_info($docid, $oid, $xibx, $eml);
         } else { # 'd'
+                $self->{oidx}->remove_xref3($docid, $oid, $xibx->eidx_key);
                 $idx->shard_remove_eidx_info($docid, $oid, $xibx, $eml);
         }
 }
@@ -176,14 +177,35 @@ sub do_step ($) { # main iterator for adding messages to the index
         do_finalize($req);
 }
 
+sub _blob_missing ($) { # called when req->{cur_smsg}->{blob} is bad
+        my ($req) = @_;
+        my $smsg = $req->{cur_smsg} or die 'BUG: {cur_smsg} missing';
+        my $self = $req->{self};
+        my $xref3 = $self->{oidx}->get_xref3($smsg->{num});
+        my @keep = grep(!/:$smsg->{blob}\z/, @$xref3);
+        if (@keep) {
+                $keep[0] =~ /:([a-f0-9]{40,}+)\z/ or
+                        die "BUG: xref $keep[0] has no OID";
+                my $oidhex = $1;
+                $self->{oidx}->remove_xref3($smsg->{num}, $smsg->{blob});
+                my $upd = $self->{oidx}->update_blob($smsg, $oidhex);
+                my $saved = $self->{oidx}->get_art($smsg->{num});
+        } else {
+                $self->{oidx}->delete_by_num($smsg->{num});
+        }
+}
+
 sub ck_existing { # git->cat_async callback
         my ($bref, $oid, $type, $size, $req) = @_;
         my $smsg = $req->{cur_smsg} or die 'BUG: {cur_smsg} missing';
-        return if is_bad_blob($oid, $type, $size, $smsg->{blob});
-        my $cur = PublicInbox::Eml->new($bref);
-        if (content_hash($cur) eq $req->{chash}) {
-                push @{$req->{indexed}}, $smsg; # for do_xpost
-        } # else { index_unseen later }
+        if ($type eq 'missing') {
+                _blob_missing($req);
+        } elsif (!is_bad_blob($oid, $type, $size, $smsg->{blob})) {
+                my $cur = PublicInbox::Eml->new($bref);
+                if (content_hash($cur) eq $req->{chash}) {
+                        push @{$req->{indexed}}, $smsg; # for do_xpost
+                } # else { index_unseen later }
+        }
         do_step($req);
 }
 
@@ -281,15 +303,33 @@ sub eidx_sync { # main entry point
         PublicInbox::V2Writable::done($self);
 }
 
-sub update_last_commit {
+sub update_last_commit { # overrides V2Writable
         my ($self, $sync, $unit, $latest_cmt) = @_;
+        return unless defined $latest_cmt;
 
-        my $ALL = $self->git;
-        # while (scalar(@{$ALL->{inflight_c}}) || scalar(@{$ALL->{inflight}})) {
-                # $ALL->check_async_wait;
-                # $ALL->cat_async_wait;
-        # }
-        # TODO
+        $self->git->async_wait_all;
+        my $ibx = $sync->{ibx} or die 'BUG: {ibx} missing';
+        my $ekey = $ibx->eidx_key;
+        my $uv = $ibx->uidvalidity;
+        my $epoch = $unit->{epoch};
+        my $meta_key;
+        my $v = $ibx->version;
+        if ($v == 2) {
+                die 'No {epoch} for v2 unit' unless defined $epoch;
+                $meta_key = "lc-v2:$ekey//$uv;$epoch";
+        } elsif ($v == 1) {
+                die 'Unexpected {epoch} for v1 unit' if defined $epoch;
+                $meta_key = "lc-v1:$ekey//$uv";
+        } else {
+                die "Unsupported inbox version: $v";
+        }
+        my $last = $self->{oidx}->eidx_meta($meta_key);
+        if (defined $last && is_ancestor($unit->{git}, $last, $latest_cmt)) {
+                my @cmd = (qw(rev-list --count), "$last..$latest_cmt");
+                chomp(my $n = $unit->{git}->qx(@cmd));
+                return if $n ne '' && $n == 0;
+        }
+        $self->{oidx}->eidx_meta($meta_key, $latest_cmt);
 }
 
 sub idx_init { # similar to V2Writable