melib/imap: expand special mailbox detection cases

melib/src/backends/imap.rs

@@ -1443,6 +1443,11 @@ impl ImapType {
         for l in lines {
             if let Ok(subscription) = protocol_parser::list_mailbox_result(&l).map(|(_, v)| v) {
                 if let Some(f) = mailboxes.get_mut(&subscription.hash()) {
+                    if f.special_usage() == SpecialUsageMailbox::Normal
+                        && subscription.special_usage() != SpecialUsageMailbox::Normal
+                    {
+                        f.set_special_usage(subscription.special_usage())?;
+                    }
                     f.is_subscribed = true;
                 }
             } else {

melib/src/backends/imap/protocol_parser.rs

@@ -425,9 +425,15 @@ pub fn list_mailbox_result(input: &[u8]) -> IResult<&[u8], ImapMailbox> {
                 } else if p.eq_ignore_ascii_case(b"\\Sent") {
                     let _ = f.set_special_usage(SpecialUsageMailbox::Sent);
                 } else if p.eq_ignore_ascii_case(b"\\Junk") {
+                    let _ = f.set_special_usage(SpecialUsageMailbox::Junk);
+                } else if p.eq_ignore_ascii_case(b"\\Trash") {
                     let _ = f.set_special_usage(SpecialUsageMailbox::Trash);
                 } else if p.eq_ignore_ascii_case(b"\\Drafts") {
                     let _ = f.set_special_usage(SpecialUsageMailbox::Drafts);
+                } else if p.eq_ignore_ascii_case(b"\\Flagged") {
+                    let _ = f.set_special_usage(SpecialUsageMailbox::Flagged);
+                } else if p.eq_ignore_ascii_case(b"\\Archive") {
+                    let _ = f.set_special_usage(SpecialUsageMailbox::Archive);
                 }
             }
             f.imap_path = path.to_string();