44 lines
1.1 KiB
Ruby
44 lines
1.1 KiB
Ruby
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(:prepare, :restore)
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private_class_method :new
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# Detected tput support
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#
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# @return [Tput]
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# if tput support is present
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#
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# @return [nil]
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# otherwise
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def self.detect
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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') || capture('tput cd') if restore
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new(reset + save, restore + clean) if clean
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end
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# Capture output
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#
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# @param [String] command
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# command to run
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#
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# @return [String]
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# stdout of command on success
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#
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# @return [nil]
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# otherwise
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def self.capture(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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private_class_method :capture
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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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