33 lines
842 B
Ruby
33 lines
842 B
Ruby
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module Mutant
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class Reporter
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class CLI
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# Interface to the optionally present tput binary
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class Tput
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include Adamantium, Concord::Public.new(:available, :prepare, :restore)
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private_class_method :new
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capture = lambda do |command|
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stdout, _stderr, exitstatus = Open3.capture3(command)
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stdout if exitstatus.success?
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end
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reset = capture.('tput reset')
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save = capture.('tput sc') if reset
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restore = capture.('tput rc') if save
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clean = capture.('tput ed') if restore
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UNAVAILABLE = new(false, nil, nil)
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INSTANCE =
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if save && restore && clean
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new(true, reset + save, restore + clean)
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else
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UNAVAILABLE
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end
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end # TPUT
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end # CLI
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end # Reporter
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end # Mutant
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