12 unless Redwood::VERSION == BIN_VERSION
15 Error: version mismatch!
16 The sup executable is at version #{BIN_VERSION.inspect}.
17 The sup libraries are at version #{Redwood::VERSION.inspect}.
19 Is your development environment conflicting with rubygems?
24 $opts = Trollop::options do
25 version "sup v#{Redwood::VERSION}"
27 Sup is a curses-based email client.
34 opt :list_hooks, "List all hooks and descriptions, and quit."
35 opt :no_threads, "Turn off threading. Helps with debugging. (Necessarily disables background polling for new messages.)"
36 opt :no_initial_poll, "Don't poll for new messages when starting."
37 opt :search, "Search for this query upon startup", :type => String
38 opt :compose, "Compose message to this recipient upon startup", :type => String
41 Redwood::HookManager.register "startup", <<EOS
47 Redwood::HookManager.register "shutdown", <<EOS
48 Executes when sup is shutting down. May be run when sup is crashing,
49 so don\'t do anything too important. Run before the label, contacts,
56 Redwood::HookManager.print_hooks
60 Thread.abort_on_exception = true # make debugging possible
64 global_keymap = Keymap.new do |k|
65 k.add :quit_ask, "Quit Sup, but ask first", 'q'
66 k.add :quit_now, "Quit Sup immediately", 'Q'
67 k.add :help, "Show help", '?'
68 k.add :roll_buffers, "Switch to next buffer", 'b'
69 k.add :roll_buffers_backwards, "Switch to previous buffer", 'B'
70 k.add :kill_buffer, "Kill the current buffer", 'x'
71 k.add :list_buffers, "List all buffers", ';'
72 k.add :list_contacts, "List contacts", 'C'
73 k.add :redraw, "Redraw screen", :ctrl_l
74 k.add :search, "Search all messages", '\\', 'F'
75 k.add :search_unread, "Show all unread messages", 'U'
76 k.add :list_labels, "List labels", 'L'
77 k.add :poll, "Poll for new messages", 'P'
78 k.add :compose, "Compose new message", 'm', 'c'
79 k.add :nothing, "Do nothing", :ctrl_g
80 k.add :recall_draft, "Edit most recent draft message", 'R'
81 k.add :show_inbox, "Show the Inbox buffer", 'I'
84 ## the following magic enables wide characters when used with a ruby
85 ## ncurses.so that's been compiled against libncursesw. (note the w.) why
86 ## this works, i have no idea. much like pretty much every aspect of
87 ## dealing with curses. cargo cult programming at its best.
89 ## BSD users: if libc.so.6 is not found, try installing compat6x.
92 extend DL.const_defined?(:Importer) ? DL::Importer : DL::Importable
93 setlocale_lib = case Config::CONFIG['arch']
94 when /darwin/; "libc.dylib"
95 when /cygwin/; "cygwin1.dll"
99 debug "dynamically loading setlocale() from #{setlocale_lib}"
102 extern "void setlocale(int, const char *)"
103 debug "setting locale..."
104 LibC.setlocale(6, "") # LC_ALL == 6
105 rescue RuntimeError => e
106 warn "cannot dlload setlocale(); ncurses wide character support probably broken."
107 warn "dlload error was #{e.class}: #{e.message}"
108 if Config::CONFIG['arch'] =~ /bsd/
109 warn "BSD variant detected. You may have to install a compat6x package to acquire libc."
118 Ncurses.stdscr.keypad 1
119 Ncurses.use_default_colors
126 return unless $cursing
131 module_function :start_cursing, :stop_cursing
136 rescue Index::LockError => e
141 h.say Index.fancy_lock_error_message_for(e)
143 case h.ask("Should I ask that process to kill itself? ")
144 when /^\s*y(es)?\s*$/i
145 h.say "Ok, suggesting seppuku..."
146 FileUtils.touch Redwood::SUICIDE_FN
147 sleep SuicideManager::DELAY * 2
148 FileUtils.rm_f Redwood::SUICIDE_FN
149 h.say "Let's try that again."
153 Ok, giving up. If the process crashed and left a stale lockfile, you
154 can fix this by manually deleting #{Index.lockfile}.
164 trap("TERM") { |x| SuicideManager.please_die! }
165 trap("WINCH") { |x| BufferManager.sigwinch_happened! }
167 if(s = Redwood::SourceManager.source_for DraftManager.source_name)
168 DraftManager.source = s
170 debug "no draft source, auto-adding..."
171 Redwood::SourceManager.add_source DraftManager.new_source
174 if(s = Redwood::SourceManager.source_for SentManager.source_uri)
175 SentManager.source = s
177 Redwood::SourceManager.add_source SentManager.default_source
180 HookManager.run "startup"
182 debug "starting curses"
183 Redwood::Logger.remove_sink $stderr
186 bm = BufferManager.init
187 Colormap.new.populate_colormap
189 debug "initializing log buffer"
190 lmode = Redwood::LogMode.new "system log"
191 lmode.on_kill { Logger.clear! }
192 Logger.add_sink lmode
193 Logger.force_message "Welcome to Sup! Log level is set to #{Logger.level}."
195 debug "initializing inbox buffer"
196 imode = InboxMode.new
197 ibuf = bm.spawn "Inbox", imode
199 debug "ready for interaction!"
203 Redwood::SourceManager.usual_sources.each do |s|
204 next unless s.respond_to? :connect
205 reporting_thread("call #connect on #{s}") do
208 rescue SourceError => e
209 error "fatal error loading from #{s}: #{e.message}"
212 end unless $opts[:no_initial_poll]
214 imode.load_threads :num => ibuf.content_height, :when_done => lambda { |num| reporting_thread("poll after loading inbox") { sleep 1; PollManager.poll } unless $opts[:no_threads] || $opts[:no_initial_poll] }
217 ComposeMode.spawn_nicely :to_default => $opts[:compose]
220 unless $opts[:no_threads]
223 Index.start_lock_update_thread
227 SearchResultsMode.spawn_from_query $opts[:search]
230 until Redwood::exceptions.nonempty? || SuicideManager.die?
232 Ncurses.nonblocking_getch
233 rescue Interrupt => e
234 raise if BufferManager.ask_yes_or_no "Die ungracefully now?"
235 BufferManager.draw_screen
240 if BufferManager.sigwinch_happened?
241 debug "redrawing screen on sigwinch"
242 BufferManager.completely_redraw_screen
248 ## this is ncurses's way of telling us it's detected a refresh.
249 ## since we have our own sigwinch handler, we don't do anything.
259 bm.resolve_input_with_keymap c, global_keymap
261 rescue InputSequenceAborted
266 break if bm.kill_all_buffers_safely
268 if bm.ask_yes_or_no "Really quit?"
269 break if bm.kill_all_buffers_safely
272 curmode = bm.focus_buf.mode
273 bm.spawn_unless_exists("<help for #{curmode.name}>") { HelpMode.new curmode, global_keymap }
276 when :roll_buffers_backwards
277 bm.roll_buffers_backwards
279 bm.kill_buffer_safely bm.focus_buf
281 bm.spawn_unless_exists("buffer list", :system => true) { BufferListMode.new }
283 b, new = bm.spawn_unless_exists("Contact List") { ContactListMode.new }
284 b.mode.load_in_background if new
286 query = BufferManager.ask :search, "search all messages: "
287 next unless query && query !~ /^\s*$/
288 SearchResultsMode.spawn_from_query query
290 SearchResultsMode.spawn_from_query "is:unread"
292 labels = LabelManager.all_labels.map { |l| LabelManager.string_for l }
293 user_label = bm.ask_with_completions :label, "Show threads with label (enter for listing): ", labels
294 unless user_label.nil?
296 bm.spawn_unless_exists("Label list") { LabelListMode.new } if user_label && user_label.empty?
298 LabelSearchResultsMode.spawn_nicely user_label
302 ComposeMode.spawn_nicely
304 reporting_thread("user-invoked poll") { PollManager.poll }
306 case Index.num_results_for :label => :draft
308 bm.flash "No draft messages."
311 Index.each_id_by_date(:label => :draft) { |mid, builder| m = builder.call }
312 r = ResumeMode.new(m)
313 BufferManager.spawn "Edit message", r
316 b, new = BufferManager.spawn_unless_exists("All drafts") { LabelSearchResultsMode.new [:draft] }
317 b.mode.load_threads :num => b.content_height if new
320 BufferManager.raise_to_front ibuf
321 when :nothing, InputSequenceAborted
323 bm.completely_redraw_screen
325 bm.flash "Unknown keypress '#{c.to_character}' for #{bm.focus_buf.mode.name}."
331 bm.kill_all_buffers if SuicideManager.die?
332 rescue Exception => e
333 Redwood::record_exception e, "main"
335 unless $opts[:no_threads]
336 PollManager.stop if PollManager.instantiated?
337 SuicideManager.stop if PollManager.instantiated?
338 Index.stop_lock_update_thread
341 HookManager.run "shutdown"
345 Redwood::Logger.remove_all_sinks!
346 Redwood::Logger.add_sink $stderr, false
347 debug "stopped cursing"
349 if SuicideManager.instantiated? && SuicideManager.die?
350 info "I've been ordered to commit seppuku. I obey!"
353 if Redwood::exceptions.empty?
354 debug "no fatal errors. good job, william."
357 error "oh crap, an exception"
363 unless Redwood::exceptions.empty?
364 File.open(File.join(BASE_DIR, "exception-log.txt"), "w") do |f|
365 Redwood::exceptions.each do |e, name|
366 f.puts "--- #{e.class.name} from thread: #{name}"
367 f.puts e.message, e.backtrace
371 ----------------------------------------------------------------
372 I'm very sorry. It seems that an error occurred in Sup. Please
373 accept my sincere apologies. If you don't mind, please send the
374 contents of ~/.sup/exception-log.txt and a brief report of the
375 circumstances to sup-talk at rubyforge dot orgs so that I might
376 address this problem. Thank you!
380 ----------------------------------------------------------------
382 Redwood::exceptions.each do |e, name|
383 puts "--- #{e.class.name} from thread: #{name}"
384 puts e.message, e.backtrace