lei_mirror: delimit names by `\n' to improve die message

Attempting to clone a top-level manifest should work,
eventually.  But for now, make the list of git repos
more readable.

diff --git a/lib/PublicInbox/LeiMirror.pm b/lib/PublicInbox/LeiMirror.pm
index 1dbd4d0a36996ade295218ed6dc23449d3a3d129..ed8e4842c453336a3f96fe5c914262d31dbf5110 100644 (file)
--- a/lib/PublicInbox/LeiMirror.pm
+++ b/lib/PublicInbox/LeiMirror.pm
@@ -402,7 +402,7 @@ EOM
                clone_v1($self);
        } else {
                die "E: confused by <$uri>, possible matches:\n\t",
-                       join(', ', sort keys %$m), "\n";
+                       join("\n\t", sort keys %$m), "\n";
        }
        if (delete $self->{-culled_manifest}) { # set by clone_v2
                # write the smaller manifest if epochs were skipped so