lei q: implement import-before default for --save

This makes "lei q --save" as safe as "lei q" to prevent against
accidental data loss when clobbering an existing output,

2 files changed, 4 insertions, 4 deletions

diff --git a/lib/PublicInbox/LeiToMail.pm b/lib/PublicInbox/LeiToMail.pm
index daa8084b..46a82a4b 100644
--- a/lib/PublicInbox/LeiToMail.pm
+++ b/lib/PublicInbox/LeiToMail.pm
@@ -375,7 +375,7 @@ sub _pre_augment_maildir {
 
 sub _do_augment_maildir {
         my ($self, $lei) = @_;
-        return if defined($lei->{opt}->{save});
+        return if ($lei->{opt}->{save} // 0) < 0;
         my $dst = $lei->{ovv}->{dst};
         my $lse = $lei->{opt}->{'import-before'} ? $lei->{lse} : undef;
         my $mdr = PublicInbox::MdirReader->new;
@@ -406,7 +406,7 @@ sub _imap_augment_or_delete { # PublicInbox::NetReader::imap_each cb
 
 sub _do_augment_imap {
         my ($self, $lei) = @_;
-        return if defined($lei->{opt}->{save});
+        return if ($lei->{opt}->{save} // 0) < 0;
         my $net = $lei->{net};
         my $lse = $lei->{opt}->{'import-before'} ? $lei->{lse} : undef;
         if ($lei->{opt}->{augment}) {
@@ -477,7 +477,7 @@ sub _do_augment_mbox {
         my ($self, $lei) = @_;
         return unless $self->{seekable};
         my $opt = $lei->{opt};
-        return if defined($opt->{save});
+        return if ($opt->{save} // 0) < 0;
         my $out = $lei->{1};
         my ($fmt, $dst) = @{$lei->{ovv}}{qw(fmt dst)};
         return unless -s $out;
diff --git a/lib/PublicInbox/LeiUp.pm b/lib/PublicInbox/LeiUp.pm
index 73286ea2..e4cbc825 100644
--- a/lib/PublicInbox/LeiUp.pm
+++ b/lib/PublicInbox/LeiUp.pm
@@ -38,7 +38,7 @@ sub lei_up {
         $lei->{lss} = $lss; # for LeiOverview->new
         my $lxs = $lei->lxs_prepare or return;
         $lei->ale->refresh_externals($lxs);
-        $lei->{opt}->{save} = 1;
+        $lei->{opt}->{save} = -1;
         $lei->_start_query;
 }