searchidx: index "diff --git a/... b/..." headers

While we do detailed indexing of git diffs, the header itself
was failing and queries like 'nq:diff' would not work.

Noticed-by: Rob Herring <robh@kernel.org>

diff --git a/lib/PublicInbox/SearchIdx.pm b/lib/PublicInbox/SearchIdx.pm
index b886ce789b7943dfb5eb2c248bb62c6329e36acc..6e2e614c5085c7e45fa33ad06375a9137af1ee31 100644 (file)
--- a/lib/PublicInbox/SearchIdx.pm
+++ b/lib/PublicInbox/SearchIdx.pm
@@ -259,6 +259,7 @@ sub index_diff ($$$) {
                } elsif (m!^diff --git "?[^/]+/.+ "?[^/]+/.+\z!) {
                        # wait until "---" and "+++" to capture filenames
                        $in_diff = 1;
                } elsif (m!^diff --git "?[^/]+/.+ "?[^/]+/.+\z!) {
                        # wait until "---" and "+++" to capture filenames
                        $in_diff = 1;

+                       push @xnq, $_;

                # traditional diff:
                } elsif (m/^diff -(.+) (\S+) (\S+)$/) {
                        my ($opt, $fa, $fb) = ($1, $2, $3);
                # traditional diff:
                } elsif (m/^diff -(.+) (\S+) (\S+)$/) {
                        my ($opt, $fa, $fb) = ($1, $2, $3);