feed: compile regexps only once

This avoids some runtime penalties associated with recompiling
a regexp based on a constant local variable.

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/PublicInbox/Feed.pm b/lib/PublicInbox/Feed.pm
index dd991532..3c0ec86d 100644
--- a/lib/PublicInbox/Feed.pm
+++ b/lib/PublicInbox/Feed.pm
@@ -168,14 +168,14 @@ sub each_recent_blob {
                         }
                 } elsif ($line =~ /$delmsg/o) {
                         $deleted{$1} = 1;
-                } elsif ($line =~ /^commit (${hex}{7,40})/) {
+                } elsif ($line =~ /^commit (${hex}{7,40})/o) {
                         push @commits, $1;
                 }
         }
 
         if ($last) {
                 while (my $line = <$log>) {
-                        if ($line =~ /^commit (${hex}{7,40})/) {
+                        if ($line =~ /^commit (${hex}{7,40})/o) {
                                 push @commits, $1;
                                 last;
                         }