Log more if a folder does not exist

This commit reverts previous silencing of not found errors

Author: joeyates

lib/imap/backup/account/folder.rb

@@ -31,19 +31,12 @@ def initialize(client, name)
 
     # @raise any error that occurs more than 10 times
     def exist?
-      previous_level = Imap::Backup::Logger.logger.level
-      previous_debug = Net::IMAP.debug
-      Imap::Backup::Logger.logger.level = ::Logger::Severity::UNKNOWN
-      Net::IMAP.debug = false
       retry_on_error(errors: EXAMINE_RETRY_CLASSES) do
         examine
       end
       true
     rescue FolderNotFound
       false
-    ensure
-      Imap::Backup::Logger.logger.level = previous_level
-      Net::IMAP.debug = previous_debug
     end
 
     # Creates the folder on the server

lib/imap/backup/account/folder_backup.rb

@@ -22,11 +22,11 @@ def initialize(account:, folder:, refresh: false)
     # @raise [RuntimeError] if the configured download strategy is incorrect
     # @return [void]
     def run
+      Logger.logger.debug "[#{folder.name}] running backup"
+
       folder_ok = folder_ok?
       return if !folder_ok
 
-      Logger.logger.debug "[#{folder.name}] running backup"
-
       serializer.apply_uid_validity(folder.uid_validity)
 
       serializer.transaction do
@@ -46,7 +46,10 @@ def run
 
     def folder_ok?
       begin
-        return false if !folder.exist?
+        if !folder.exist?
+          Logger.logger.info "[#{folder.name}] skipping folder as it does not exist"
+          return false
+        end
       rescue Encoding::UndefinedConversionError
         message = "Skipping backup for '#{folder.name}' " \
                   "as it is not UTF-7 encoded correctly"