59 lines
1.3 KiB
Ruby
59 lines
1.3 KiB
Ruby
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module Unison
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class FilesystemWatcher
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class NoWatcherAvailable < StandardError ; end
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def initialize(paths, owner)
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@paths, @owner = paths, owner
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end
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def run
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require 'rbconfig'
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@watcher = Thread.new do
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while !Thread.current[:app]; sleep 0.1; end
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begin
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case RbConfig::CONFIG['host_os']
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when /(darwin|linux)/
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@watch = send("watcher_for_#{$1}")
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else
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raise NoWatcherAvailable.new
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end
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@watch.run
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rescue => e
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puts e.message
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puts e.backtrace.join("\n")
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exit
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end
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end
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@watcher[:paths] = @paths
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@watcher[:app] = @owner
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end
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def watcher_for_darwin
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require 'rb-fsevent'
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watch = FSEvent.new
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watch.watch Thread.current[:paths], :latency => 1.0 do |directories|
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Thread.current[:app] << directories
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end
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watch
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end
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def watcher_for_linux
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require 'rb-inotify'
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watch = INotify::Notifier.new
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Thread.current[:paths].each do |path|
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FileUtils.mkdir_p path
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watch.watch path, :recursive, :modify, :create, :delete do |event|
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Thread.current[:app] << event.absolute_name
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end
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end
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watch
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end
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end
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end
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