process_posts: stop when finished

app/post_downloader.rb

···
 require_relative 'models/user'
 
 class PostDownloader
-  attr_accessor :report
+  attr_accessor :report, :stop_when_empty
 
   def initialize
     @sky = Minisky.new(ENV['APPVIEW'] || 'public.api.bsky.app', nil)
···
       likes = queue.pop_batch
 
       if likes.empty?
-        sleep 1
-        next
+        if @stop_when_empty
+          return
+        else
+          sleep 1
+          next
+        end
       end
 
       @report&.update(queue: { length: queue.length })

lib/tasks/import.rake

···
 
   downloader = PostDownloader.new
   downloader.report = report
+  downloader.stop_when_empty = true
   downloader.import_from_queue(queue)
+
+  puts "\n\n\n\n\n"
 end