feed: deal with removed files

Sometimes we get spam and need to delete messages,
we must prevent errors on missing messages from propagating.

1 files changed, 5 insertions, 2 deletions

diff --git a/lib/PublicInbox/Feed.pm b/lib/PublicInbox/Feed.pm
index 1eaba6c2..646c85c9 100644
--- a/lib/PublicInbox/Feed.pm
+++ b/lib/PublicInbox/Feed.pm
@@ -291,8 +291,11 @@ sub dump_msg {
 
 sub do_cat_mail {
         my ($git, $path) = @_;
-        my $str = $git->cat_file("HEAD:$path");
-        Email::MIME->new($str);
+        my $mime = eval {
+                my $str = $git->cat_file("HEAD:$path");
+                Email::MIME->new($str);
+        };
+        $@ ? undef : $mime;
 }
 
 1;