updated before-poll hook for offlineimap

[Gaute Hope <eg@gaute.vetsj.com>]

Greetings,

Here's an updated before-poll.rb hook for offlineimap working with
latest git. I'm suppressing some nasty python deprecation errors as
well.

before-poll.rb:
def offlineimap(*folders)
  cmd = "offlineimap -u Noninteractive.Basic 2>&1"
  cmd << " -f #{folders * ','}" unless folders.compact.empty?
  `#{cmd}`
end

def folder_names(sources)
  sources.map { |s| s.uri.split('/').last }
end

def inbox_sources(sources = SourceManager.sources)
  sources.find_all { |s| !s.archived? }.sort_by {|s| s.id }
end

if (@last_fetch || Time.at(0)) < Time.now - 120
  say "Running offlineimap..."
  # only check non-auto-archived sources on the first run
  log offlineimap(@last_fetch ? nil : folder_names(inbox_sources))
  say "Finished offlineimap."
end
@last_fetch = Time.now

Cheers, Gaute

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