lei q: disallow "\n" in argv[] elements

I don't expect this to be hit in real-world use via normal
interactive shells.  However, somebody could accidentally add
"\n" in languages (e.g. Perl, C) where it's easy to pass "\n"
in argv[].

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/PublicInbox/LeiQuery.pm b/lib/PublicInbox/LeiQuery.pm
index 352ee601..51ee3d9c 100644
--- a/lib/PublicInbox/LeiQuery.pm
+++ b/lib/PublicInbox/LeiQuery.pm
@@ -141,6 +141,7 @@ no query allowed on command-line with --stdin
                 PublicInbox::InputPipe::consume($self->{0}, \&qstr_add, $self);
                 return;
         }
+        chomp(@argv) and $self->qerr("# trailing `\\n' removed");
         $mset_opt{q_raw} = [ @argv ]; # copy
         $mset_opt{qstr} =
                 $self->{lse}->query_argv_to_string($self->{lse}->git, \@argv);