24 lines
795 B
Ruby
24 lines
795 B
Ruby
module Kernel
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# Require a library with fallback to RubyGems. Warnings during library
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# loading are silenced to increase signal/noise for application warnings.
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def require_library_or_gem(library_name)
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silence_warnings do
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begin
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require library_name
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rescue LoadError => cannot_require
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# 1. Requiring the module is unsuccessful, maybe it's a gem and nobody required rubygems yet. Try.
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begin
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require 'rubygems'
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rescue LoadError => rubygems_not_installed
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raise cannot_require
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end
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# 2. Rubygems is installed and loaded. Try to load the library again
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begin
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require library_name
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rescue LoadError => gem_not_installed
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raise cannot_require
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end
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end
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end
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end
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end |