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-rw-r--r--lib/PublicInbox/LeiToMail.pm6
-rw-r--r--lib/PublicInbox/LeiUp.pm2
-rw-r--r--t/lei-q-save.t21
3 files changed, 25 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;
 }
 
diff --git a/t/lei-q-save.t b/t/lei-q-save.t
index 4e6ed642..5bc8fb74 100644
--- a/t/lei-q-save.t
+++ b/t/lei-q-save.t
@@ -10,6 +10,15 @@ $doc2->header_set('Date', PublicInbox::Smsg::date({ds => time - (86400 * 4)}));
 my $doc3 = eml_load('t/msg_iter-order.eml');
 $doc3->header_set('Date', PublicInbox::Smsg::date({ds => time - (86400 * 4)}));
 
+my $pre_existing = <<'EOF';
+From x Mon Sep 17 00:00:00 2001
+Message-ID: <import-before@example.com>
+Subject: pre-existing
+Date: Sat, 02 Oct 2010 00:00:00 +0000
+
+blah
+EOF
+
 test_lei(sub {
         my $home = $ENV{HOME};
         my $in = $doc1->as_string;
@@ -74,5 +83,17 @@ test_lei(sub {
                 'mbcl2 output shown despite unlink');
         lei_ok([qw(up mbcl2)], undef, { -C => $home, %$lei_opt });
         ok(-f "$home/mbcl2"  && -s _ == 0, 'up recreates on missing output');
+
+        open my $mb, '>', "$home/mbrd" or xbail "open $!";
+        print $mb $pre_existing;
+        close $mb or xbail "close: $!";
+        lei_ok(qw(q --save -o mboxrd:mbrd m:qp@example.com -C), $home);
+        chdir($dh) or xbail "fchdir . $!";
+        open $mb, '<', "$home/mbrd" or xbail "open $!";
+        is_deeply([grep(/pre-existing/, <$mb>)], [],
+                'pre-existing messsage gone w/o augment');
+        lei_ok(qw(q m:import-before@example.com));
+        is(json_utf8->decode($lei_out)->[0]->{'s'},
+                'pre-existing', '--save imported before clobbering');
 });
 done_testing;