lei export-kw: skip read-only IMAP folders

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

diff --git a/lib/PublicInbox/LeiExportKw.pm b/lib/PublicInbox/LeiExportKw.pm
index 756d0e9c0a4d0d5831ad761cd046ea041394e37b..0ecfb7829772b68875c579c6c9901ba1d34b2610 100644 (file)
--- a/lib/PublicInbox/LeiExportKw.pm
+++ b/lib/PublicInbox/LeiExportKw.pm
@@ -67,7 +67,17 @@ sub input_path_url {
                $self->{lms}->each_src($input, \&export_kw_md, $self, $mdir);
        } elsif ($input =~ m!\Aimaps?://!i) {
                my $uri = PublicInbox::URIimap->new($input);
-               if (my $mic = $self->{nwr}->mic_for_folder($uri)) {
+               my $mic = $self->{nwr}->mic_for_folder($uri);
+               if ($mic && !$self->{nwr}->can_store_flags($mic)) {
+                       my $m = "$input does not support PERMANENTFLAGS";
+                       if (defined $self->{lei}->{opt}->{all}) {
+                               $self->{lei}->qerr("# $m");
+                       } else { # set error code if user explicitly requested
+                               $self->{lei}->child_error(0, "E: $m");
+                       }
+                       return;
+               }
+               if ($mic) {
                        $self->{lms}->each_src($$uri, \&export_kw_imap,
                                                $self, $mic);
                        $mic->expunge;