[PATCH 07/15] lei_search: try harder to associate "lei index"-ed messages

[Eric Wong]

Allow checking for keyword changes if we have an known OID,
even if the blob isn't currently reachable.
---
 lib/PublicInbox/LeiSearch.pm | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/lib/PublicInbox/LeiSearch.pm b/lib/PublicInbox/LeiSearch.pm
index 3e046b2146c6..1fb38da1d7aa 100644
--- a/lib/PublicInbox/LeiSearch.pm
+++ b/lib/PublicInbox/LeiSearch.pm
@@ -7,7 +7,7 @@ use strict;
 use v5.10.1;
 use parent qw(PublicInbox::ExtSearch); # PublicInbox::Search->reopen
 use PublicInbox::Search qw(xap_terms);
-use PublicInbox::ContentHash qw(content_digest content_hash);
+use PublicInbox::ContentHash qw(content_digest content_hash git_sha);
 use PublicInbox::MID qw(mids mids_for_index);
 use Carp qw(croak);
 
@@ -118,6 +118,13 @@ sub xoids_for {
                }
        }
        $git->async_wait_all;
+
+       # it could be an 'lei index'-ed file that just got renamed
+       if (scalar(keys %$xoids) < ($min // 1) && defined($self->{topdir})) {
+               my $hex = git_sha(1, $eml)->hexdigest;
+               my @n = $overs[0]->blob_exists($hex);
+               for (@n) { $xoids->{$hex} //= $_ }
+       }
        scalar(keys %$xoids) ? $xoids : undef;
 }
 
@@ -129,6 +136,10 @@ sub kw_changed {
                my $xoids = xoids_for($self, $eml) // return;
                $docids //= [];
                @$docids = sort { $a <=> $b } values %$xoids;
+               if (!@$docids && $self->over) {
+                       my $bin = git_sha(1, $eml)->digest;
+                       @$docids = $self->over->oidbin_exists($bin);
+               }
        }
        for my $id (@$docids) {
                $cur_kw = eval { msg_keywords($self, $id) } and last;
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