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27 lines
861 B
Ruby
27 lines
861 B
Ruby
# encoding: utf-8
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# author: Dominik Richter
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# author: Christoph Hartmann
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require 'shellwords'
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class CommandWrapper
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UNIX_SHELLS = %w{sh bash zsh ksh}.freeze
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def self.wrap(cmd, options)
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unless options.is_a?(Hash)
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raise 'All options for the command wrapper must be provided as a hash. '\
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"You entered: #{options.inspect}. Please consult the documentation."
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end
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wrap = options[:wrap]
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raise "Called command wrapper with wrap: #{wrap.inspect}. It must be called with a Proc." if !wrap.nil? && !wrap.is_a?(Proc)
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return wrap.call(cmd) unless wrap.nil?
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shell = options[:shell]
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raise "Don't know how to wrap commands for shell: #{shell.inspect}." unless UNIX_SHELLS.include?(shell)
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path = options[:path] || shell
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args = options[:args] || '-c'
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path.to_s + ' ' + args + ' ' + Shellwords.escape(cmd)
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end
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end
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