lei inspect: support "mid:" (and "m:") prefix

Using this to track down deduplication failures in -extindex...

1 files changed, 42 insertions, 11 deletions

diff --git a/lib/PublicInbox/LeiInspect.pm b/lib/PublicInbox/LeiInspect.pm
index 9a7900c7..574da7a7 100644
--- a/lib/PublicInbox/LeiInspect.pm
+++ b/lib/PublicInbox/LeiInspect.pm
@@ -98,22 +98,29 @@ sub inspect_docid ($$;$) {
         $ent;
 }
 
+sub dir2ibx ($$) {
+        my ($lei, $dir) = @_;
+        if (-f "$dir/ei.lock") {
+                require PublicInbox::ExtSearch;
+                PublicInbox::ExtSearch->new($dir);
+        } elsif (-f "$dir/inbox.lock" || -d "$dir/public-inbox") {
+                require PublicInbox::Inbox; # v2, v1
+                bless { inboxdir => $dir }, 'PublicInbox::Inbox';
+        } else {
+                $lei->fail("no (indexed) inbox or extindex at $dir");
+        }
+}
+
 sub inspect_num ($$) {
         my ($lei, $num) = @_;
         my ($docid, $ibx);
         my $ent = { num => $num };
         if (defined(my $dir = $lei->{opt}->{dir})) {
-                my $num2docid = $lei->{lse}->can('num2docid');
-                if (-f "$dir/ei.lock") {
-                        require PublicInbox::ExtSearch;
-                        $ibx = PublicInbox::ExtSearch->new($dir);
-                } elsif (-f "$dir/inbox.lock" || -d "$dir/public-inbox") {
-                        require PublicInbox::Inbox; # v2, v1
-                        $ibx = bless { inboxdir => $dir }, 'PublicInbox::Inbox';
+                $ibx = dir2ibx($lei, $dir) or return;
+                if ($ent->{xdb} = $ibx->xdb) {
+                        my $num2docid = $lei->{lse}->can('num2docid');
+                        $docid = $num2docid->($ibx, $num);
                 }
-                $ent->{xdb} = $ibx->xdb //
-                        return $lei->fail("no Xapian DB for $dir");
-                $docid = $num2docid->($ibx, $num);
         } else {
                 $ibx = $lei->{lse};
                 $lei->{lse}->xdb; # set {nshard} for num2docid
@@ -123,7 +130,29 @@ sub inspect_num ($$) {
                 my $smsg = $ibx->over->get_art($num);
                 $ent->{smsg} = { %$smsg } if $smsg;
         }
-        inspect_docid($lei, $docid, $ent);
+        defined($docid) ? inspect_docid($lei, $docid, $ent) : $ent;
+}
+
+sub inspect_mid ($$) {
+        my ($lei, $mid) = @_;
+        my ($ibx, $over);
+        my $ent = { mid => $mid };
+        if (defined(my $dir = $lei->{opt}->{dir})) {
+                my $num2docid = $lei->{lse}->can('num mid => [ $mid ] 2docid');
+                $ibx = dir2ibx($lei, $dir) or return;
+                # $ent->{xdb} = $ibx->xdb //
+                        # return $lei->fail("no Xapian DB for $dir");
+        } else {
+                $ibx = $lei->{lse};
+                $lei->{lse}->xdb; # set {nshard} for num2docid
+        }
+        if ($ibx && $ibx->over) {
+                my ($id, $prev);
+                while (my $smsg = $ibx->over->next_by_mid($mid, \$id, \$prev)) {
+                        push @{$ent->{smsg}}, { %$smsg }
+                }
+        }
+        $ent;
 }
 
 sub inspect1 ($$$) {
@@ -145,6 +174,8 @@ sub inspect1 ($$$) {
                 $ent = inspect_docid($lei, $1 + 0);
         } elsif ($item =~ m!\Anum:([0-9]+)\z!) {
                 $ent = inspect_num($lei, $1 + 0);
+        } elsif ($item =~ m!\A(?:mid|m):(.+)\z!) {
+                $ent = inspect_mid($lei, $1);
         } else { # TODO: more things
                 return $lei->fail("$item not understood");
         }