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-rw-r--r--lib/PublicInbox/Git.pm2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/PublicInbox/Git.pm b/lib/PublicInbox/Git.pm
index 181026c7..a7ba57f9 100644
--- a/lib/PublicInbox/Git.pm
+++ b/lib/PublicInbox/Git.pm
@@ -185,7 +185,7 @@ sub cat_async_step ($$) {
         my $rbuf = delete($self->{cat_rbuf}) // \(my $new = '');
         my ($bref, $oid, $type, $size);
         my $head = my_readline($self->{in}, $rbuf);
-        if ($head =~ /^([0-9a-f]{40}) (\S+) ([0-9]+)$/) {
+        if ($head =~ /^([0-9a-f]{40,}) (\S+) ([0-9]+)$/) {
                 ($oid, $type, $size) = ($1, $2, $3 + 0);
                 $bref = my_read($self->{in}, $rbuf, $size + 1) or
                         fail($self, defined($bref) ? 'read EOF' : "read: $!");