53 lines
1.1 KiB
Ruby
53 lines
1.1 KiB
Ruby
require 'rbconfig'
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module FSSM::Support
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class << self
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def backend
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@@backend ||= case
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when mac? && !jruby? && carbon_core?
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'FSEvents'
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when linux? && rb_inotify?
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'Inotify'
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else
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'Polling'
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end
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end
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def jruby?
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defined?(JRUBY_VERSION)
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end
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def mac?
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Config::CONFIG['target_os'] =~ /darwin/i
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end
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def linux?
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Config::CONFIG['target_os'] =~ /linux/i
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end
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def carbon_core?
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begin
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require 'osx/foundation'
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OSX.require_framework '/System/Library/Frameworks/CoreServices.framework/Frameworks/CarbonCore.framework'
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true
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rescue LoadError
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STDERR.puts("Warning: Unable to load CarbonCore. FSEvents will be unavailable.")
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false
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end
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end
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def rb_inotify?
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begin
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require 'rubygems'
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gem 'rb-inotify', '>= 0.3.0'
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require 'rb-inotify'
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true
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rescue LoadError, Gem::LoadError
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STDERR.puts("Warning: Unable to load rb-inotify >= 0.3.0. Inotify will be unavailable.")
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false
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end
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end
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end
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end
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