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-rw-r--r--lib/PublicInbox/CodeSearchIdx.pm2
-rw-r--r--lib/PublicInbox/SearchIdx.pm24
2 files changed, 12 insertions, 14 deletions
diff --git a/lib/PublicInbox/CodeSearchIdx.pm b/lib/PublicInbox/CodeSearchIdx.pm
index 3a30b5e5..54a2ba22 100644
--- a/lib/PublicInbox/CodeSearchIdx.pm
+++ b/lib/PublicInbox/CodeSearchIdx.pm
@@ -675,7 +675,7 @@ sub get_roots ($$) {
                 { 0 => $refs, 1 => $roots_fh }, \&index_repo, $self, $git)
 }
 
-# for PublicInbox::SearchIdx::patch_id and with_umask
+# for PublicInbox::SearchIdx `git patch-id' call and with_umask
 sub git { $_[0]->{git} }
 
 sub load_existing ($) { # for -u/--update
diff --git a/lib/PublicInbox/SearchIdx.pm b/lib/PublicInbox/SearchIdx.pm
index 9566b14d..32598b7c 100644
--- a/lib/PublicInbox/SearchIdx.pm
+++ b/lib/PublicInbox/SearchIdx.pm
@@ -22,7 +22,7 @@ use POSIX qw(strftime);
 use Fcntl qw(SEEK_SET);
 use Time::Local qw(timegm);
 use PublicInbox::OverIdx;
-use PublicInbox::Spawn qw(run_wait run_qx);
+use PublicInbox::Spawn qw(run_wait popen_rd);
 use PublicInbox::Git qw(git_unquote);
 use PublicInbox::MsgTime qw(msg_timestamp msg_datestamp);
 use PublicInbox::Address;
@@ -350,20 +350,13 @@ sub index_diff ($$$) {
         index_text($self, join("\n", @$xnq), 1, 'XNQ');
 }
 
-sub patch_id {
-        my ($self, $sref) = @_;
-        my $git = ($self->{ibx} // $self->{eidx} // $self)->git;
-        my $opt = { 0 => [ ':utf8', $sref ], 2 => \(my $err) };
-        my $id = run_qx($git->cmd(qw(patch-id --stable)), undef, $opt);
-        warn $err if $err;
-        $id =~ /\A([a-f0-9]{40,})/ ? $1 : undef;
-}
-
 sub index_body_text {
         my ($self, $doc, $sref) = @_;
-        if ($$sref =~ /^(?:diff|---|\+\+\+) /ms) {
-                my $id = patch_id($self, $sref);
-                $doc->add_term('XDFID'.$id) if defined($id);
+        my $rd;
+        if ($$sref =~ /^(?:diff|---|\+\+\+) /ms) { # start patch-id in parallel
+                my $git = ($self->{ibx} // $self->{eidx} // $self)->git;
+                $rd = popen_rd($git->cmd(qw(patch-id --stable)), undef,
+                                { 0 => [ ':utf8', $sref ] });
         }
 
         # split off quoted and unquoted blocks:
@@ -387,6 +380,11 @@ sub index_body_text {
                 }
                 undef $txt; # free memory
         }
+        if (defined $rd) { # reap `git patch-id'
+                (readline($rd) // '') =~ /\A([a-f0-9]{40,})/ and
+                        $doc->add_term('XDFID'.$1);
+                $rd->close or warn "W: git patch-id failed: \$?=$? (non-fatal)"
+        }
 }
 
 sub index_xapian { # msg_iter callback