lei add-external --mirror: respect client umask

While lei is intended for non-public mail and runs umask(077)
by default, externals are one area which can safely defer to
the user's umask.

Instead of sending it unconditionally with every command, only
have lei-daemon request it when necessary.

1 files changed, 2 insertions, 0 deletions

diff --git a/script/lei b/script/lei
index bc437798..8f6e8aac 100755
--- a/script/lei
+++ b/script/lei
@@ -122,6 +122,8 @@ while (1) {
                 $exec_cmd->(\@fds, split(/\0/, $1));
         } elsif ($buf eq '-WINCH') {
                 kill($buf, @parent); # for MUA
+        } elsif ($buf eq 'umask') {
+                send($sock, 'u'.pack('V', umask), MSG_EOR) or die "send: $!"
         } elsif ($buf =~ /\Ax_it ([0-9]+)\z/) {
                 $x_it_code ||= $1 + 0;
                 last;