10 ## save a message 'm' to an open file pointer 'fp'
12 m.source.each_raw_message_line(m.source_info) { |l| fp.print l }
15 $stderr.puts "Error: #{msg}"
18 def has_any_from_source_with_label? index, source, label
19 query = { :source_id => source.id, :label => label, :limit => 1, :load_spam => true, :load_deleted => true, :load_killed => true }
20 not Enumerable::Enumerator.new(index, :each_id, query).map.empty?
23 opts = Trollop::options do
24 version "sup-sync-back (sup #{Redwood::VERSION})"
26 Drop or move messages from Sup sources that are marked as deleted or
27 spam in the Sup index.
29 Currently only works with mbox sources.
32 sup-sync-back [options] <source>*
34 where <source>* is zero or more source URIs. If no sources are given,
35 sync back all usual sources.
37 You almost certainly want to run sup-sync --changed after this command.
38 Running this does not change the index.
42 opt :drop_deleted, "Drop deleted messages.", :default => false, :short => "d"
43 opt :move_deleted, "Move deleted messages to a local mbox file.", :type => String, :short => :none
44 opt :drop_spam, "Drop spam messages.", :default => false, :short => "s"
45 opt :move_spam, "Move spam messages to a local mbox file.", :type => String, :short => :none
47 opt :with_dotlockfile, "Specific dotlockfile location (mbox files only).", :default => "/usr/bin/dotlockfile", :short => :none
48 opt :dont_use_dotlockfile, "Don't use dotlockfile to lock mbox files. Dangerous if other processes modify them concurrently.", :default => false, :short => :none
50 opt :verbose, "Print message ids as they're processed."
51 opt :dry_run, "Don't actually modify the index. Probably only useful with --verbose.", :short => "-n"
52 opt :version, "Show version information", :short => :none
54 conflicts :drop_deleted, :move_deleted
55 conflicts :drop_spam, :move_spam
58 unless opts[:drop_deleted] || opts[:move_deleted] || opts[:drop_spam] || opts[:move_spam]
60 Nothing to do. Please specify at least one of --drop-deleted, --move-deleted,
61 --drop-spam, or --move-spam.
68 index = Redwood::Index.new
71 deleted_fp, spam_fp = nil
73 deleted_fp = File.open(opts[:move_deleted], "a") if opts[:move_deleted]
74 spam_fp = File.open(opts[:move_spam], "a") if opts[:move_spam]
77 dotlockfile = opts[:with_dotlockfile] || "/usr/bin/dotlockfile"
82 sources = ARGV.map do |uri|
83 s = Redwood::SourceManager.source_for(uri) or die "unknown source: #{uri}. Did you add it with sup-add first?"
84 s.is_a?(Redwood::MBox::Loader) or die "#{uri} is not an mbox source."
89 sources = Redwood::SourceManager.usual_sources.select { |s| s.is_a? Redwood::MBox::Loader }
92 unless sources.all? { |s| s.file_path.nil? } || File.executable?(dotlockfile) || opts[:dont_use_dotlockfile]
94 can't execute dotlockfile binary: #{dotlockfile}. Specify --with-dotlockfile
95 if it's in a nonstandard location, or, if you want to live dangerously, try
96 --dont-use-dotlockfile
100 modified_sources = []
101 sources.each do |source|
102 $stderr.puts "Scanning #{source}..."
104 unless ((opts[:drop_deleted] || opts[:move_deleted]) && has_any_from_source_with_label?(index, source, :deleted)) || ((opts[:drop_spam] || opts[:move_spam]) && has_any_from_source_with_label?(index, source, :spam))
105 $stderr.puts "Nothing to do from this source; skipping"
110 num_dropped = num_moved = num_scanned = 0
112 out_fp = Tempfile.new "sup-sync-back-#{source.id}"
113 Redwood::PollManager.add_messages_from source do |m_old, m, offset|
117 labels = m_old.labels
119 if labels.member? :deleted
120 if opts[:drop_deleted]
121 puts "Dropping deleted message #{source}##{offset}" if opts[:verbose]
123 elsif opts[:move_deleted] && labels.member?(:deleted)
124 puts "Moving deleted message #{source}##{offset}" if opts[:verbose]
125 save m, deleted_fp unless opts[:dry_run]
129 elsif labels.member? :spam
131 puts "Dropping spam message #{source}##{offset}" if opts[:verbose]
133 elsif opts[:move_spam] && labels.member?(:spam)
134 puts "Moving spam message #{source}##{offset}" if opts[:verbose]
135 save m, spam_fp unless opts[:dry_run]
139 save m, out_fp unless opts[:dry_run]
142 save m, out_fp unless opts[:dry_run]
145 nil # don't actually add anything!
147 $stderr.puts "Scanned #{num_scanned}, dropped #{num_dropped}, moved #{num_moved} messages from #{source}."
148 modified_sources << source if num_dropped > 0 || num_moved > 0
149 out_fp.close unless opts[:dry_run]
151 unless opts[:dry_run] || (num_dropped == 0 && num_moved == 0)
152 deleted_fp.flush if deleted_fp
153 spam_fp.flush if spam_fp
154 unless opts[:dont_use_dotlockfile]
155 puts "Locking #{source.file_path}..."
156 system "#{opts[:dotlockfile]} -l #{source.file_path}"
157 puts "Writing #{source.file_path}..."
158 FileUtils.cp out_fp.path, source.file_path
159 puts "Unlocking #{source.file_path}..."
160 system "#{opts[:dotlockfile]} -u #{source.file_path}"
165 unless opts[:dry_run]
166 deleted_fp.close if deleted_fp
167 spam_fp.close if spam_fp
171 unless modified_sources.empty?
172 $stderr.puts "You should now run: sup-sync --changed #{modified_sources.join(' ')}"
174 rescue Exception => e
175 File.open("sup-exception-log.txt", "w") { |f| f.puts e.backtrace }