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-rw-r--r--lib/PublicInbox/LeiExportKw.pm31
-rw-r--r--lib/PublicInbox/LeiToMail.pm9
-rw-r--r--lib/PublicInbox/NetWriter.pm10
-rw-r--r--xt/net_writer-imap.t18
4 files changed, 51 insertions, 17 deletions
diff --git a/lib/PublicInbox/LeiExportKw.pm b/lib/PublicInbox/LeiExportKw.pm
index db4f7441..5ad33959 100644
--- a/lib/PublicInbox/LeiExportKw.pm
+++ b/lib/PublicInbox/LeiExportKw.pm
@@ -59,15 +59,28 @@ sub export_kw_md { # LeiMailSync->each_src callback
         $self->{lei}->child_error(1, "link($orig, $dst) ($oidhex): $e");
 }
 
+sub export_kw_imap { # LeiMailSync->each_src callback
+        my ($oidbin, $id, $self, $mic) = @_;
+        my $oidhex = unpack('H*', $oidbin);
+        my $sto_kw = $self->{lse}->oid_keywords($oidhex) or return;
+        $self->{imap_mod_kw}->($self->{nwr}, $mic, $id, [ keys %$sto_kw ]);
+}
+
 # overrides PublicInbox::LeiInput::input_path_url
 sub input_path_url {
         my ($self, $input, @args) = @_;
         my $lms = $self->{lms} //= $self->{lse}->lms;
         $lms->lms_begin;
-        if ($input =~ s/\Amaildir://i) {
+        if ($input =~ /\Amaildir:(.+)/i) {
+                my $mdir = $1;
                 require PublicInbox::LeiToMail; # kw2suffix
-                $lms->each_src("maildir:$input", \&export_kw_md, $self, $input);
-        }
+                $lms->each_src($input, \&export_kw_md, $self, $mdir);
+        } elsif ($input =~ m!\Aimaps?://!) {
+                my $uri = PublicInbox::URIimap->new($input);
+                my $mic = $self->{nwr}->mic_for_folder($uri);
+                $lms->each_src($$uri, \&export_kw_imap, $self, $mic);
+                $mic->expunge;
+        } else { die "BUG: $input not supported" }
         $lms->lms_commit;
 }
 
@@ -137,11 +150,6 @@ EOF
         if (my @ro = grep(!/\A(?:maildir|imaps?):/, @folders)) {
                 return $lei->fail("cannot export to read-only folders: @ro");
         }
-        if (my $net = $lei->{net}) {
-                require PublicInbox::NetWriter;
-                bless $net, 'PublicInbox::NetWriter';
-        }
-        undef $lms;
         my $m = $opt->{mode} // 'merge';
         if ($m eq 'merge') { # default
                 $self->{-merge_kw} = 1;
@@ -151,6 +159,13 @@ EOF
 --mode=$m not supported (`set' or `merge')
 EOM
         }
+        if (my $net = $lei->{net}) {
+                require PublicInbox::NetWriter;
+                $self->{nwr} = bless $net, 'PublicInbox::NetWriter';
+                $self->{imap_mod_kw} = $net->can($self->{-merge_kw} ?
+                                        'imap_add_kw' : 'imap_set_kw');
+        }
+        undef $lms;
         my $ops = {};
         $lei->{auth}->op_merge($ops, $self) if $lei->{auth};
         $self->{-wq_nr_workers} = $j // 1; # locked
diff --git a/lib/PublicInbox/LeiToMail.pm b/lib/PublicInbox/LeiToMail.pm
index b9d4c856..f3c03969 100644
--- a/lib/PublicInbox/LeiToMail.pm
+++ b/lib/PublicInbox/LeiToMail.pm
@@ -307,11 +307,12 @@ sub _imap_write_cb ($$) {
         my $dedupe = $lei->{dedupe};
         $dedupe->prepare_dedupe if $dedupe;
         my $append = $lei->{net}->can('imap_append');
-        my $mic = $lei->{net}->mic_get($self->{uri});
-        my $folder = $self->{uri}->mailbox;
+        my $uri = $self->{uri};
+        my $mic = $lei->{net}->mic_get($uri);
+        my $folder = $uri->mailbox;
+        $uri->uidvalidity($mic->uidvalidity($folder));
         my $lse = $lei->{lse}; # may be undef
         my $sto = $lei->{opt}->{'mail-sync'} ? $lei->{sto} : undef;
-        my $out = $lei->{ovv}->{dst};
         sub { # for git_to_mail
                 my ($bref, $smsg, $eml) = @_;
                 $mic // return $lei->fail; # mic may be undef-ed in last run
@@ -327,7 +328,7 @@ sub _imap_write_cb ($$) {
                 # imap_append returns UID if IMAP server has UIDPLUS extension
                 ($sto && $uid =~ /\A[0-9]+\z/) and
                         $sto->ipc_do('set_sync_info',
-                                        $smsg->{blob}, $out, $uid + 0);
+                                        $smsg->{blob}, $$uri, $uid + 0);
                 ++$lei->{-nr_write};
         }
 }
diff --git a/lib/PublicInbox/NetWriter.pm b/lib/PublicInbox/NetWriter.pm
index 2032a1fd..8ec7f85c 100644
--- a/lib/PublicInbox/NetWriter.pm
+++ b/lib/PublicInbox/NetWriter.pm
@@ -26,10 +26,20 @@ sub imap_append {
                 die "APPEND $folder: $@";
 }
 
+# updates $uri with UIDVALIDITY
 sub mic_for_folder {
         my ($self, $uri) = @_;
         my $mic = $self->mic_get($uri) or die "E: not connected: $@";
         $mic->select($uri->mailbox) or return;
+        my $uidval;
+        for ($mic->Results) {
+                /^\* OK \[UIDVALIDITY ([0-9]+)\].*/ or next;
+                $uidval = $1;
+                last;
+        }
+        $uidval //= $mic->uidvalidity($uri->mailbox) or
+                die "E: failed to get uidvalidity from <$uri>: $@";
+        $uri->uidvalidity($uidval);
         $mic;
 }
 
diff --git a/xt/net_writer-imap.t b/xt/net_writer-imap.t
index 1298b958..0e6d4831 100644
--- a/xt/net_writer-imap.t
+++ b/xt/net_writer-imap.t
@@ -157,12 +157,20 @@ test_lei(sub {
 
         lei_ok qw(import -F eml), $f, \'import local copy w/o keywords';
 
+        lei_ok 'ls-mail-sync'; diag $lei_out;
+        lei_ok 'import', $$folder_uri; # populate mail_sync.sqlite3
+        lei_ok qw(tag +kw:seen +kw:answered +kw:flagged), $f;
+        lei_ok 'ls-mail-sync'; diag $lei_out;
+        chomp(my $uri_val = $lei_out);
+        lei_ok 'export-kw', $uri_val;
         $mic = $nwr->mic_for_folder($folder_uri);
-        # dummy set to ensure second set_kw clobbers
-        $nwr->imap_set_kw($mic, $uid[0], [ qw(seen answered flagged) ]
-                        )->expunge or BAIL_OUT "expunge $@";
-        $nwr->imap_set_kw($mic, $uid[0], [ 'seen' ]
-                        )->expunge or BAIL_OUT "expunge $@";
+        my $flags = $mic->flags($uid[0]);
+        is_deeply([sort @$flags], [ qw(\\Answered \\Flagged \\Seen) ],
+                'IMAP flags set by export-kw') or diag explain($flags);
+
+        # ensure this imap_set_kw clobbers
+        $nwr->imap_set_kw($mic, $uid[0], [ 'seen' ])->expunge or
+                BAIL_OUT "expunge $@";
         $mic = undef;
         @res = ();
         $nwr->imap_each($folder_uri, $imap_slurp_all, \@res);