lei convert: explicitly allow --sort for inputs

LeiToMail can't sort v2 output, but sorting MH input (and
NNTP spool + mlmmj archives) numerically makes sense.

1 files changed, 8 insertions, 1 deletions

diff --git a/t/mh_reader.t b/t/mh_reader.t
index e8f69fa8..711fc8aa 100644
--- a/t/mh_reader.t
+++ b/t/mh_reader.t
@@ -101,7 +101,14 @@ test_lei(sub {
         lei_ok qw(index), 'mh:'.$stale;
         lei qw(q -f mboxrd), 's:msg 4';
         like $lei_out, qr/^Subject: msg 4\nStatus: RO\n\n\n/ms,
-                "message retrieved after `lei index'"
+                "message retrieved after `lei index'";
+
+        # ensure sort works for _input_ when output disallows sort
+        my $v2out = "$ENV{HOME}/v2-out";
+        lei_ok qw(convert -s sequence), "mh:$for_sort", '-o', "v2:$v2out";
+        my $git = PublicInbox::Git->new("$v2out/git/0.git");
+        chomp(my @l = $git->qx(qw(log --pretty=oneline --format=%s)));
+        is_xdeeply \@l, [1, 22, 333], 'sequence order preserved for v2';
 });
 
 done_testing;