1 files changed, 3 insertions, 0 deletions
diff --git a/lib/PublicInbox/LeiMirror.pm b/lib/PublicInbox/LeiMirror.pm
index ec2b56df..4c564c84 100644
--- a/lib/PublicInbox/LeiMirror.pm
+++ b/lib/PublicInbox/LeiMirror.pm
@@ -16,6 +16,7 @@ use Carp qw(croak);
  use URI;
  use PublicInbox::Config;
  use PublicInbox::Inbox;
+use PublicInbox::Git;
  use PublicInbox::LeiCurl;
  use PublicInbox::OnDestroy;
  use PublicInbox::SHA qw(sha256_hex sha1_hex);
@@ -275,6 +276,8 @@ sub fetch_args ($$) {
                          ($lei->{opt}->{jobs} // 1) > 1;
          push @cmd, '-v' if $lei->{opt}->{verbose};
          push(@cmd, '-p') if $lei->{opt}->{prune};
+        PublicInbox::Git::version() >= ((2 << 24) | (29 << 16)) and
+                push(@cmd, '--no-write-fetch-head');
          @cmd;
  }