www: load and use cindex join data

This is a major step in solving the problem of having to
manually associate hundreds/thousands of coderepos with
hundreds/thousands of public-inboxes to power solver
(and more).

1 files changed, 5 insertions, 1 deletions

diff --git a/lib/PublicInbox/SolverGit.pm b/lib/PublicInbox/SolverGit.pm
index 7cc10198..4e79f750 100644
--- a/lib/PublicInbox/SolverGit.pm
+++ b/lib/PublicInbox/SolverGit.pm
@@ -643,9 +643,13 @@ sub resolve_patch ($$) {
 # so user_cb never references the SolverGit object
 sub new {
         my ($class, $ibx, $user_cb, $uarg) = @_;
+        my $gits = $ibx ? $ibx->{-repo_objs} : undef;
+
+        # FIXME: cindex --join= is super-aggressive and may hit too many
+        $gits = [ @$gits[0..2] ] if $gits && @$gits > 3;
 
         bless { # $ibx is undef if coderepo only (see WwwCoderepo)
-                gits => $ibx ? $ibx->{-repo_objs} : undef,
+                gits => $gits,
                 user_cb => $user_cb,
                 uarg => $uarg,
                 # -cur_di, -qsp_err, -msg => temp fields for Qspawn callbacks