about summary refs log tree commit homepage
path: root/lib/PublicInbox/ViewDiff.pm
diff options
context:
space:
mode:
Diffstat (limited to 'lib/PublicInbox/ViewDiff.pm')
-rw-r--r--lib/PublicInbox/ViewDiff.pm11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/PublicInbox/ViewDiff.pm b/lib/PublicInbox/ViewDiff.pm
index d22c80b9..5d391a13 100644
--- a/lib/PublicInbox/ViewDiff.pm
+++ b/lib/PublicInbox/ViewDiff.pm
@@ -202,6 +202,17 @@ sub flush_diff ($$$) {
                         $dctx = diff_header($dst, \$x, $ctx, \@top);
                 } elsif ($dctx) {
                         my $after = '';
+
+                        # Quiet "Complex regular subexpression recursion limit"
+                        # warning.  Perl will truncate matches upon hitting
+                        # that limit, giving us more (and shorter) scalars than
+                        # would be ideal, but otherwise it's harmless.
+                        #
+                        # We could replace the `+' metacharacter with `{1,100}'
+                        # to limit the matches ourselves to 100, but we can
+                        # let Perl do it for us, quietly.
+                        no warnings 'regexp';
+
                         for my $s (split(/((?:(?:^\+[^\n]*\n)+)|
                                         (?:(?:^-[^\n]*\n)+)|
                                         (?:^@@ [^\n]+\n))/xsm, $x)) {