require 'rubygems'
require 'ncurses'
+require 'curses'
+require 'fileutils'
+require 'trollop'
require "sup"
+BIN_VERSION = "git"
+
+unless Redwood::VERSION == BIN_VERSION
+ $stderr.puts <<EOS
+
+Error: version mismatch!
+The sup executable is at version #{BIN_VERSION.inspect}.
+The sup libraries are at version #{Redwood::VERSION.inspect}.
+
+Is your development environment conflicting with rubygems?
+EOS
+ exit(-1)
+end
+
+$opts = Trollop::options do
+ version "sup v#{Redwood::VERSION}"
+ banner <<EOS
+Sup is a curses-based email client.
+
+Usage:
+ sup [options]
+
+Options are:
+EOS
+ opt :list_hooks, "List all hooks and descriptions, and quit."
+ opt :no_threads, "Turn off threading. Helps with debugging. (Necessarily disables background polling for new messages.)"
+ opt :no_initial_poll, "Don't poll for new messages when starting."
+ opt :search, "Search for this query upon startup", :type => String
+ opt :compose, "Compose message to this recipient upon startup", :type => String
+end
+
+Redwood::HookManager.register "startup", <<EOS
+Executes at startup
+No variables.
+No return value.
+EOS
+
+Redwood::HookManager.register "shutdown", <<EOS
+Executes when sup is shutting down. May be run when sup is crashing,
+so don\'t do anything too important. Run before the label, contacts,
+and people are saved.
+No variables.
+No return value.
+EOS
+
+if $opts[:list_hooks]
+ Redwood::HookManager.print_hooks
+ exit
+end
+
Thread.abort_on_exception = true # make debugging possible
module Redwood
global_keymap = Keymap.new do |k|
- k.add :quit, "Quit Redwood", 'q'
- k.add :help, "Show help", 'H', '?'
+ k.add :quit_ask, "Quit Sup, but ask first", 'q'
+ k.add :quit_now, "Quit Sup immediately", 'Q'
+ k.add :help, "Show help", '?'
k.add :roll_buffers, "Switch to next buffer", 'b'
k.add :roll_buffers_backwards, "Switch to previous buffer", 'B'
k.add :kill_buffer, "Kill the current buffer", 'x'
- k.add :list_buffers, "List all buffers", 'A'
+ k.add :list_buffers, "List all buffers", ';'
k.add :list_contacts, "List contacts", 'C'
k.add :redraw, "Redraw screen", :ctrl_l
- k.add :search, "Search messages", '/'
+ k.add :search, "Search all messages", '\\', 'F'
+ k.add :search_unread, "Show all unread messages", 'U'
k.add :list_labels, "List labels", 'L'
k.add :poll, "Poll for new messages", 'P'
- k.add :compose, "Compose new message", 'm'
+ k.add :compose, "Compose new message", 'm', 'c'
+ k.add :nothing, "Do nothing", :ctrl_g
k.add :recall_draft, "Edit most recent draft message", 'R'
+ k.add :show_inbox, "Show the Inbox buffer", 'I'
+end
+
+## the following magic enables wide characters when used with a ruby
+## ncurses.so that's been compiled against libncursesw. (note the w.) why
+## this works, i have no idea. much like pretty much every aspect of
+## dealing with curses. cargo cult programming at its best.
+##
+## BSD users: if libc.so.6 is not found, try installing compat6x.
+require 'dl/import'
+module LibC
+ extend DL.const_defined?(:Importer) ? DL::Importer : DL::Importable
+ setlocale_lib = case Config::CONFIG['arch']
+ when /darwin/; "libc.dylib"
+ when /cygwin/; "cygwin1.dll"
+ else; "libc.so.6"
+ end
+
+ debug "dynamically loading setlocale() from #{setlocale_lib}"
+ begin
+ dlload setlocale_lib
+ extern "void setlocale(int, const char *)"
+ debug "setting locale..."
+ LibC.setlocale(6, "") # LC_ALL == 6
+ rescue RuntimeError => e
+ warn "cannot dlload setlocale(); ncurses wide character support probably broken."
+ warn "dlload error was #{e.class}: #{e.message}"
+ if Config::CONFIG['arch'] =~ /bsd/
+ warn "BSD variant detected. You may have to install a compat6x package to acquire libc."
+ end
+ end
end
def start_cursing
Ncurses.noecho
Ncurses.cbreak
Ncurses.stdscr.keypad 1
+ Ncurses.use_default_colors
Ncurses.curs_set 0
Ncurses.start_color
+ $cursing = true
end
def stop_cursing
+ return unless $cursing
Ncurses.curs_set 1
Ncurses.echo
Ncurses.endwin
end
module_function :start_cursing, :stop_cursing
-Redwood::start
-Index.new.load
+Index.init
+begin
+ Index.lock
+rescue Index::LockError => e
+ require 'highline'
-if(s = Index.source_for DraftManager.source_name)
- DraftManager.source = s
-else
- Index.add_source DraftManager.new_source
-end
+ h = HighLine.new
+ h.wrap_at = :auto
+ h.say Index.fancy_lock_error_message_for(e)
-if(s = Index.source_for SentManager.source_name)
- SentManager.source = s
-else
- Index.add_source SentManager.new_source
+ case h.ask("Should I ask that process to kill itself? ")
+ when /^\s*y(es)?\s*$/i
+ h.say "Ok, suggesting seppuku..."
+ FileUtils.touch Redwood::SUICIDE_FN
+ sleep SuicideManager::DELAY * 2
+ FileUtils.rm_f Redwood::SUICIDE_FN
+ h.say "Let's try that again."
+ retry
+ else
+ h.say <<EOS
+Ok, giving up. If the process crashed and left a stale lockfile, you
+can fix this by manually deleting #{Index.lockfile}.
+EOS
+ exit
+ end
end
begin
- log "starting curses"
- start_cursing
+ Redwood::start
+ Index.load
+
+ trap("TERM") { |x| SuicideManager.please_die! }
+ trap("WINCH") { |x| BufferManager.sigwinch_happened! }
+
+ if(s = Redwood::SourceManager.source_for DraftManager.source_name)
+ DraftManager.source = s
+ else
+ debug "no draft source, auto-adding..."
+ Redwood::SourceManager.add_source DraftManager.new_source
+ end
- log "initializing colormap"
- Colormap.new do |c|
- c.add :status_color, Ncurses::COLOR_WHITE, Ncurses::COLOR_BLUE, Ncurses::A_BOLD
- c.add :index_old_color, Ncurses::COLOR_WHITE, Ncurses::COLOR_BLACK
- c.add :index_new_color, Ncurses::COLOR_WHITE, Ncurses::COLOR_BLACK,
- Ncurses::A_BOLD
- c.add :labellist_old_color, Ncurses::COLOR_WHITE, Ncurses::COLOR_BLACK
- c.add :labellist_new_color, Ncurses::COLOR_WHITE, Ncurses::COLOR_BLACK,
- Ncurses::A_BOLD
- c.add :twiddle_color, Ncurses::COLOR_BLUE, Ncurses::COLOR_BLACK
- c.add :label_color, Ncurses::COLOR_YELLOW, Ncurses::COLOR_BLACK
- c.add :message_patina_color, Ncurses::COLOR_BLACK, Ncurses::COLOR_GREEN
- c.add :mime_color, Ncurses::COLOR_CYAN, Ncurses::COLOR_BLACK
- c.add :quote_patina_color, Ncurses::COLOR_YELLOW, Ncurses::COLOR_BLACK
- c.add :sig_patina_color, Ncurses::COLOR_YELLOW, Ncurses::COLOR_BLACK
- c.add :quote_color, Ncurses::COLOR_YELLOW, Ncurses::COLOR_BLACK
- c.add :sig_color, Ncurses::COLOR_YELLOW, Ncurses::COLOR_BLACK
- c.add :to_me_color, Ncurses::COLOR_GREEN, Ncurses::COLOR_BLACK
- c.add :starred_color, Ncurses::COLOR_YELLOW, Ncurses::COLOR_BLACK,
- Ncurses::A_BOLD
- c.add :starred_patina_color, Ncurses::COLOR_YELLOW, Ncurses::COLOR_GREEN,
- Ncurses::A_BOLD
- c.add :snippet_color, Ncurses::COLOR_CYAN, Ncurses::COLOR_BLACK
- c.add :option_color, Ncurses::COLOR_WHITE, Ncurses::COLOR_BLACK
- c.add :tagged_color, Ncurses::COLOR_YELLOW, Ncurses::COLOR_BLACK,
- Ncurses::A_BOLD
- c.add :draft_notification_color, Ncurses::COLOR_RED, Ncurses::COLOR_BLACK,
- Ncurses::A_BOLD
+ if(s = Redwood::SourceManager.source_for SentManager.source_uri)
+ SentManager.source = s
+ else
+ Redwood::SourceManager.add_source SentManager.default_source
end
- log "initializing buffer manager"
- bm = BufferManager.new
+ HookManager.run "startup"
+
+ debug "starting curses"
+ Redwood::Logger.remove_sink $stderr
+ start_cursing
+
+ bm = BufferManager.init
+ Colormap.new.populate_colormap
+
+ debug "initializing log buffer"
+ lmode = Redwood::LogMode.new "system log"
+ lmode.on_kill { Logger.clear! }
+ Logger.add_sink lmode
+ Logger.force_message "Welcome to Sup! Log level is set to #{Logger.level}."
- log "initializing mail index buffer"
+ debug "initializing inbox buffer"
imode = InboxMode.new
- ibuf = bm.spawn "inbox", imode
+ ibuf = bm.spawn "Inbox", imode
- log "ready for (inter)action!"
- Logger.make_buf
+ debug "ready for interaction!"
bm.draw_screen
- imode.load_threads :num => ibuf.content_height, :when_done => lambda { reporting_thread { sleep 1; PollManager.poll } }
- PollManager.start_thread
+ Redwood::SourceManager.usual_sources.each do |s|
+ next unless s.respond_to? :connect
+ reporting_thread("call #connect on #{s}") do
+ begin
+ s.connect
+ rescue SourceError => e
+ error "fatal error loading from #{s}: #{e.message}"
+ end
+ end
+ end unless $opts[:no_initial_poll]
+
+ 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] }
+
+ if $opts[:compose]
+ ComposeMode.spawn_nicely :to_default => $opts[:compose]
+ end
+
+ unless $opts[:no_threads]
+ PollManager.start
+ SuicideManager.start
+ Index.start_lock_update_thread
+ end
+
+ if $opts[:search]
+ SearchResultsMode.spawn_from_query $opts[:search]
+ end
+
+ until Redwood::exceptions.nonempty? || SuicideManager.die?
+ c = begin
+ Ncurses.nonblocking_getch
+ rescue Interrupt => e
+ raise if BufferManager.ask_yes_or_no "Die ungracefully now?"
+ BufferManager.draw_screen
+ nil
+ end
+
+ if c.nil?
+ if BufferManager.sigwinch_happened?
+ debug "redrawing screen on sigwinch"
+ BufferManager.completely_redraw_screen
+ end
+ next
+ end
+
+ if c == 410
+ ## this is ncurses's way of telling us it's detected a refresh.
+ ## since we have our own sigwinch handler, we don't do anything.
+ next
+ end
- until $exception
- bm.draw_screen
- c = Ncurses.nonblocking_getch
bm.erase_flash
- if c == Ncurses::KEY_RESIZE
- bm.handle_resize
- elsif c
- unless bm.handle_input(c)
- x = global_keymap.action_for c
- case x
- when :quit
- break
- when :help
- curmode = bm.focus_buf.mode
- bm.spawn_unless_exists("<help for #{curmode.name}>") { HelpMode.new curmode, global_keymap }
- when :roll_buffers
- bm.roll_buffers
- when :roll_buffers_backwards
- bm.roll_buffers_backwards
- when :kill_buffer
- bm.kill_buffer bm.focus_buf if bm.focus_buf.mode.killable?
- when :list_buffers
- bm.spawn_unless_exists("Buffer List") { BufferListMode.new }
- when :list_contacts
- b = bm.spawn_unless_exists("Contact List") { ContactListMode.new }
- b.mode.load_in_background
- when :search
- text = bm.ask :search, "query: "
- next unless text && text !~ /^\s*$/
-
- begin
- qobj = Index.parse_user_query_string text
- short_text = text.length < 20 ? text : text[0 ... 20] + "..."
- log "built query from #{text.inspect}: #{qobj}"
- mode = SearchResultsMode.new qobj
- bm.spawn "search: \"#{short_text}\"", mode
- mode.load_threads :num => mode.buffer.content_height
- rescue Ferret::QueryParser::QueryParseException => e
- bm.flash "Couldn't parse query."
- end
- when :list_labels
- b = bm.spawn_unless_exists("Label List") { LabelListMode.new }
- b.mode.load_in_background
- when :compose
- mode = ComposeMode.new
- bm.spawn "New Message", mode
- mode.edit
- when :poll
- bm.raise_to_front PollManager.buffer
- reporting_thread { PollManager.poll }
- when :recall_draft
- case Index.num_results_for :label => :draft
- when 0
- bm.flash "No draft messages."
- when 1
- m = nil
- Index.each_id_by_date(:label => :draft) { |mid, builder| m = builder.call }
- r = ResumeMode.new(m)
- BufferManager.spawn "Edit message", r
- r.edit
- else
- b = BufferManager.spawn_unless_exists(:draft) do
- mode = LabelSearchResultsMode.new [:draft]
- end
- b.mode.load_threads :num => b.content_height
- end
- when :nothing
- when :redraw
- bm.completely_redraw_screen
+ action = begin
+ if bm.handle_input c
+ :nothing
+ else
+ bm.resolve_input_with_keymap c, global_keymap
+ end
+ rescue InputSequenceAborted
+ :nothing
+ end
+ case action
+ when :quit_now
+ break if bm.kill_all_buffers_safely
+ when :quit_ask
+ if bm.ask_yes_or_no "Really quit?"
+ break if bm.kill_all_buffers_safely
+ end
+ when :help
+ curmode = bm.focus_buf.mode
+ bm.spawn_unless_exists("<help for #{curmode.name}>") { HelpMode.new curmode, global_keymap }
+ when :roll_buffers
+ bm.roll_buffers
+ when :roll_buffers_backwards
+ bm.roll_buffers_backwards
+ when :kill_buffer
+ bm.kill_buffer_safely bm.focus_buf
+ when :list_buffers
+ bm.spawn_unless_exists("buffer list", :system => true) { BufferListMode.new }
+ when :list_contacts
+ b, new = bm.spawn_unless_exists("Contact List") { ContactListMode.new }
+ b.mode.load_in_background if new
+ when :search
+ query = BufferManager.ask :search, "search all messages: "
+ next unless query && query !~ /^\s*$/
+ SearchResultsMode.spawn_from_query query
+ when :search_unread
+ SearchResultsMode.spawn_from_query "is:unread"
+ when :list_labels
+ labels = LabelManager.all_labels.map { |l| LabelManager.string_for l }
+ user_label = bm.ask_with_completions :label, "Show threads with label (enter for listing): ", labels
+ unless user_label.nil?
+ if user_label.empty?
+ bm.spawn_unless_exists("Label list") { LabelListMode.new } if user_label && user_label.empty?
else
- bm.flash "Unknown key press '#{c.to_character}' for #{bm.focus_buf.mode.name}."
+ LabelSearchResultsMode.spawn_nicely user_label
end
end
+ when :compose
+ ComposeMode.spawn_nicely
+ when :poll
+ reporting_thread("user-invoked poll") { PollManager.poll }
+ when :recall_draft
+ case Index.num_results_for :label => :draft
+ when 0
+ bm.flash "No draft messages."
+ when 1
+ m = nil
+ Index.each_id_by_date(:label => :draft) { |mid, builder| m = builder.call }
+ r = ResumeMode.new(m)
+ BufferManager.spawn "Edit message", r
+ r.edit_message
+ else
+ b, new = BufferManager.spawn_unless_exists("All drafts") { LabelSearchResultsMode.new [:draft] }
+ b.mode.load_threads :num => b.content_height if new
+ end
+ when :show_inbox
+ BufferManager.raise_to_front ibuf
+ when :nothing, InputSequenceAborted
+ when :redraw
+ bm.completely_redraw_screen
+ else
+ bm.flash "Unknown keypress '#{c.to_character}' for #{bm.focus_buf.mode.name}."
end
+
+ bm.draw_screen
end
- bm.kill_all_buffers
+
+ bm.kill_all_buffers if SuicideManager.die?
rescue Exception => e
- $exception ||= e
+ Redwood::record_exception e, "main"
ensure
+ unless $opts[:no_threads]
+ PollManager.stop if PollManager.instantiated?
+ SuicideManager.stop if PollManager.instantiated?
+ Index.stop_lock_update_thread
+ end
+
+ HookManager.run "shutdown"
+
Redwood::finish
stop_cursing
-
- # don't ask me why, but sometimes it's necessary to print something
- # to stderr at this point or the exception doesn't get printed.
- # doesn't get printed. WHY?
+ Redwood::Logger.remove_all_sinks!
+ Redwood::Logger.add_sink $stderr, false
+ debug "stopped cursing"
- $stderr.puts " "
-end
+ if SuicideManager.instantiated? && SuicideManager.die?
+ info "I've been ordered to commit seppuku. I obey!"
+ end
-Index.save unless $exception # TODO: think about this
+ if Redwood::exceptions.empty?
+ debug "no fatal errors. good job, william."
+ Index.save
+ else
+ error "oh crap, an exception"
+ end
+
+ Index.unlock
+end
-if $exception
+unless Redwood::exceptions.empty?
+ File.open(File.join(BASE_DIR, "exception-log.txt"), "w") do |f|
+ Redwood::exceptions.each do |e, name|
+ f.puts "--- #{e.class.name} from thread: #{name}"
+ f.puts e.message, e.backtrace
+ end
+ end
$stderr.puts <<EOS
----------------------------------------------------------------
-I'm very sorry, but it seems that an error occurred in Sup.
-Please accept my sincere apologies. If you don't mind, please
-send the backtrace below and a brief report of the circumstances
-to wmorgan-sup at masanjin dot nets so that I might address this
-problem. Thank you!
+I'm very sorry. It seems that an error occurred in Sup. Please
+accept my sincere apologies. If you don't mind, please send the
+contents of ~/.sup/exception-log.txt and a brief report of the
+circumstances to sup-talk at rubyforge dot orgs so that I might
+address this problem. Thank you!
Sincerely,
William
----------------------------------------------------------------
-
-The problem was: #{$exception.message} (error type #{$exception.class.name})
-A backtrace follows:
EOS
- raise $exception
+ Redwood::exceptions.each do |e, name|
+ puts "--- #{e.class.name} from thread: #{name}"
+ puts e.message, e.backtrace
+ end
end
end
projects / sup / blobdiff