sup

A curses threads-with-tags style email client

sup.git

git clone https://supmua.dev/git/sup/
commit fea4150a5e4948d4f98ba2d88ba74ee459301d30
parent 9d19facb64020cb299af59c8d8e552c90a0021d1
Author: wmorgan <wmorgan@5c8cc53c-5e98-4d25-b20a-d8db53a31250>
Date:   Sun, 20 May 2007 23:43:15 +0000

added sup-sync-back

git-svn-id: svn://rubyforge.org/var/svn/sup/trunk@405 5c8cc53c-5e98-4d25-b20a-d8db53a31250

Diffstat:
M bin/sup-sync | 4 ++--
A bin/sup-sync-back | 124 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
M doc/TODO | 2 ++
M lib/sup/mbox/loader.rb | 16 +++++++++++++---
4 files changed, 141 insertions(+), 5 deletions(-)
diff --git a/bin/sup-sync b/bin/sup-sync
@@ -43,8 +43,8 @@ Usage:
   sup-sync [options] <source>*
 
 where <source>* is zero or more source URIs. If no sources are given,
-sync from all usual sources. All supported source URI schemes can
-be seen by running "sup-add --help".
+sync from all usual sources. Supported source URI schemes can be seen
+by running "sup-add --help".
 
 Options controlling WHICH messages sup-sync operates on:
 EOS
diff --git a/bin/sup-sync-back b/bin/sup-sync-back
@@ -0,0 +1,124 @@
+#!/usr/bin/env ruby
+
+require 'rubygems'
+require 'uri'
+require 'tempfile'
+require 'trollop'
+require "sup"
+
+## save a message 'm' to an open file pointer 'fp'
+def save m, fp
+  m.source.each_raw_full_message_line(m.source_info) { |l| fp.print l }
+end
+
+opts = Trollop::options do
+  version "sup-sync-back (sup #{Redwood::VERSION})"
+  banner <<EOS
+Partially synchronizes a message source with the Sup index by deleting
+or moving any messages from the source that are marked as deleted or
+spam in the Sup index.
+
+Currently only works with mbox sources.
+
+Usage:
+  sup-sync-back [options] <source>*
+
+where <source>* is zero or more source URIs. If no sources are given,
+sync back all usual sources.
+
+You probably want to run sup-sync --changed after this command.
+
+Options include:
+EOS
+  opt :delete_deleted, "Delete deleted messages.", :default => false, :short => "d"
+  opt :move_deleted, "Move deleted messages to a local mbox file.", :type => String, :short => :none
+  opt :delete_spam, "Delete spam messages.", :default => false, :short => "s"
+  opt :move_spam, "Move spam messages to a local mbox file.", :type => String, :short => :none
+  opt :verbose, "Print message ids as they're processed."
+  opt :dry_run, "Don't actually modify the index. Probably only useful with --verbose.", :short => "-n"
+  opt :version, "Show version information", :short => :none
+
+  conflicts :delete_deleted, :move_deleted
+  conflicts :delete_spam, :move_spam
+end
+
+Redwood::start
+index = Redwood::Index.new
+index.load
+
+sources = ARGV.map do |uri|
+  s = index.source_for(uri) or Trollop::die "Unknown source: #{uri}. Did you add it with sup-add first?"
+  s.is_a?(Redwood::MBox::Loader) or Trollop::die "#{uri} is not an mbox source."
+  s
+end
+
+unless opts[:dry_run]
+  deleted_fp = File.open(opts[:move_deleted], "a") if opts[:move_deleted] 
+  spam_fp = File.open(opts[:move_spam], "a") if opts[:move_spam]
+end
+
+begin
+  sources.each { |s| s.reset! }
+  
+  sources.each do |source|
+    $stderr.puts "Scanning #{source}..."
+    num_deleted = num_moved = num_scanned = 0
+    
+    out_fp = Tempfile.new "sup-sync-back-#{source.id}"
+    Redwood::PollManager.add_messages_from source do |m, offset, entry|
+      num_scanned += 1
+
+      if entry
+        labels = entry[:label].split.map { |x| x.intern }.to_boolean_h
+
+        if labels.member? :deleted
+          if opts[:delete_deleted]
+            puts "Dropping deleted message #{source}##{offset}" if opts[:verbose]
+            num_deleted += 1
+          elsif opts[:move_deleted] && labels.member?(:deleted)
+            puts "Moving deleted message #{source}##{offset}" if opts[:verbose]
+            save m, deleted_fp unless opts[:dry_run]
+            num_moved += 1
+          end
+
+        elsif labels.member? :spam
+          if opts[:delete_spam]
+            puts "Deleting spam message #{source}##{offset}" if opts[:verbose]
+            num_deleted += 1
+          elsif opts[:move_spam] && labels.member?(:spam)
+            puts "Moving spam message #{source}##{offset}" if opts[:verbose]
+            save m, spam_fp unless opts[:dry_run]
+            num_moved += 1
+          end
+        else
+          save m, out_fp unless opts[:dry_run]
+        end
+      else
+        save m, out_fp unless opts[:dry_run]
+      end
+
+      nil # don't actually add anything!
+    end
+    $stderr.puts "Scanned #{num_scanned}, deleted #{num_deleted}, moved #{num_moved} messages from #{source}."
+    out_fp.close unless opts[:dry_run]
+
+    unless opts[:dry_run]
+      deleted_fp.flush
+      spam_fp.flush
+      out_fp.close
+      FileUtils.mv out_fp.path, URI(source.uri).path
+    end
+  end
+
+  unless opts[:dry_run]
+    deleted_fp.close
+    spam_fp.close
+  end
+
+  $stderr.puts "Done. You should run sup-sync --changed #{sources.join(' ')}"
+rescue Exception => e
+  File.open("sup-exception-log.txt", "w") { |f| f.puts e.backtrace }
+  raise
+ensure
+  Redwood::finish
+end
diff --git a/doc/TODO b/doc/TODO
@@ -11,6 +11,8 @@ _ bugfix: readlock
 _ split out threading & message chunk parsing to a separate library
 _ decode RFC 2047 ("encoded word") headers
   - see: http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/101949, http://dev.rubyonrails.org/ticket/6807
+x add a sync-back tool that at least works for mboxes
+x thread by subject configurable in config.yaml
 x view as text command if the mime view command fails for an attachment
 x bugfix: attachment filenames sometimes not detected (filename=)
 x bugfix: rmail multipart error
diff --git a/lib/sup/mbox/loader.rb b/lib/sup/mbox/loader.rb
@@ -73,14 +73,24 @@ class Loader < Source
 
   def raw_full_message offset
     ret = ""
+    each_raw_full_message_line(offset) { |l| ret += l }
+    ret
+  end
+
+  ## apparently it's a million times faster to call this directly if
+  ## we're just moving messages around on disk, than reading things
+  ## into memory with raw_full_message.
+  ##
+  ## i hoped never to have to move shit around on disk but
+  ## sup-sync-back has to do it.
+  def each_raw_full_message_line offset
     @mutex.synchronize do
       @f.seek offset
-      @f.gets # skip mbox header
+      yield @f.gets
       until @f.eof? || (l = @f.gets) =~ BREAK_RE
-        ret += l
+        yield l
       end
     end
-    ret
   end
 
   def next