--- /dev/null
+#!/usr/bin/env ruby
+
+require 'rubygems'
+require 'trollop'
+require "sup"
+
+class Float
+ def to_s; sprintf '%.2f', self; end
+ def to_time_s
+ infinite? ? "unknown" : super
+ end
+end
+
+class Numeric
+ def to_time_s
+ i = to_i
+ sprintf "%d:%02d:%02d", i / 3600, (i / 60) % 60, i % 60
+ end
+end
+
+def time
+ startt = Time.now
+ yield
+ Time.now - startt
+end
+
+opts = Trollop::options do
+ version "sup-tweak-labels (sup #{Redwood::VERSION})"
+ banner <<EOS
+Batch modification of message state for messages already in the index.
+
+Usage:
+ sup-mangle-index [options] <source>*
+
+where <source>* is zero or more source URIs. Supported source URI schemes can
+be seen by running "sup-add --help".
+
+Options:
+EOS
+ opt :add, "One or more labels (comma-separated) to add to every message from the specified sources", :type => String
+ opt :remove, "One or more labels (comma-separated) to remove from every message from the specified sources, if those labels are present", :type => String
+
+ text <<EOS
+
+Other options:
+EOS
+ opt :verbose, "Print message ids as they're processed."
+ opt :all_sources, "Scan over all sources.", :short => :none
+ opt :dry_run, "Don't actually modify the index. Probably only useful with --verbose.", :short => "-n"
+ opt :version, "Show version information", :short => :none
+end
+
+add_labels = (opts[:add] || "").split(",").map { |l| l.intern }.uniq
+remove_labels = (opts[:remove] || "").split(",").map { |l| l.intern }.uniq
+
+Trollop::die "nothing to do: no labels to add or remove" if add_labels.empty? && remove_labels.empty?
+
+Redwood::start
+begin
+ index = Redwood::Index.new
+ index.load
+
+ source_ids =
+ if opts[:all_sources]
+ index.sources
+ else
+ ARGV.map do |uri|
+ index.source_for uri or Trollop::die "Unknown source: #{uri}. Did you add it with sup-add first?"
+ end
+ end.map { |s| s.id }
+ Trollop::die "nothing to do: no sources" if source_ids.empty?
+
+ query = "+(" + source_ids.map { |id| "source_id:#{id}" }.join(" ") + ")"
+ if add_labels.empty?
+ ## if all we're doing is removing labels, we can further restrict the
+ ## query to only messages with those labels
+ query += " +(" + remove_labels.map { |l| "label:#{l}" }.join(" ") + ")"
+ end
+
+ results = index.ferret.search query, :limit => :all
+ num_total = results.total_hits
+
+ $stderr.puts "Found #{num_total} documents across #{source_ids.length} sources. Scanning..."
+
+ num_changed = num_scanned = 0
+ last_info_time = start_time = Time.now
+ results.hits.each do |hit|
+ num_scanned += 1
+ id = hit.doc
+
+ m = index.build_message id
+ old_labels = m.labels.clone
+
+ m.labels += add_labels
+ m.labels -= remove_labels
+ m.labels = m.labels.uniq
+
+ unless m.labels.sort_by { |s| s.to_s } == old_labels.sort_by { |s| s.to_s }
+ num_changed += 1
+ puts "#{m.id}: {#{old_labels.join ','}} => {#{m.labels.join ','}}" if opts[:verbose]
+ index.sync_message m unless opts[:dry_run]
+ end
+
+ if Time.now - last_info_time > 60
+ last_info_time = Time.now
+ elapsed = last_info_time - start_time
+ pctdone = 100.0 * num_scanned.to_f / num_total.to_f
+ remaining = (100.0 - pctdone) * (elapsed.to_f / pctdone)
+ $stderr.puts "## #{num_scanned} (#{pctdone}%) read; #{elapsed.to_time_s} elapsed; #{remaining.to_time_s} remaining"
+ end
+ end
+ $stderr.puts "Scanned #{num_scanned} / #{num_total} messages and changed #{num_changed}."
+
+ unless num_changed == 0
+ $stderr.puts "Optimizing index..."
+ index.ferret.optimize unless opts[:dry_run]
+ end
+
+rescue Exception => e
+ File.open("sup-exception-log.txt", "w") { |f| f.puts e.backtrace }
+ raise
+ensure
+ index.save
+ Redwood::finish
+ index.unlock
+end
+