Cannot sync from Apple’s iCloud servers

[rbugajewski]

Executing larch produces the following debug output:

larch --all --from-user 'foo@me.com' --from imaps://imap.mail.me.com --to-user 'foo@bar.com' --to imaps://localhost --from-pass '123' --to-pass '456' -V debug
[17:29:16] [debug] [<] updating mailboxes
[17:29:16] [debug] [<] connecting...
[17:29:17] [info] [<] connected to imap.mail.me.com on port 993 using SSL
[17:29:17] [fatal] Net::IMAP::ResponseParseError: unexpected token CRLF (cannot recover)
[17:29:17] [info] 0 message(s) copied, 0 failed, 0 deleted out of 0 total
[17:29:17] [debug] performing database maintenance

[rgrove]

What version of Ruby are you using?

This looks like a bug in Ruby's Net::IMAP stdlib (or possibly a bug in the iCloud IMAP server that Net::IMAP isn't handling gracefully). If you're using an old version of Ruby, upgrading might resolve it.