update copyrights for 2021

[public-inbox.git] / lib / PublicInbox / LeiToMail.pm

diff --git a/lib/PublicInbox/LeiToMail.pm b/lib/PublicInbox/LeiToMail.pm
index 5b80eb2706ac0fba9d5f756b178b09638e09f38d..851c015bee36847f8e640dbdee0743e76c2afd0f 100644 (file)
--- a/lib/PublicInbox/LeiToMail.pm
+++ b/lib/PublicInbox/LeiToMail.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 all contributors <meta@public-inbox.org>
+# Copyright (C) 2020-2021 all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 
 # Writes PublicInbox::Eml objects atomically to a mbox variant or Maildir
@@ -231,10 +231,11 @@ sub _mbox_write_cb ($$$$) {
        if ($dst eq '/dev/stdout') {
                $out = $lei->{1};
        } else { # TODO: mbox locking (but mairix doesn't...)
-               if (!$lei->{opt}->{augment} && -f $dst and !unlink($dst)) {
+               my $mode = -p $dst ? '>' : '+>>';
+               if (-f _ && !$lei->{opt}->{augment} and !unlink($dst)) {
                        die "unlink $dst: $!" if $! != ENOENT;
                }
-               open $out, '+>>', $dst or die "open $dst: $!";
+               open $out, $mode, $dst or die "open $dst: $!";
                # Perl does SEEK_END even with O_APPEND :<
                $seekable = seek($out, 0, SEEK_SET);
                die "seek $dst: $!\n" if !$seekable && $! != ESPIPE;