70 lines
1.7 KiB
Ruby
70 lines
1.7 KiB
Ruby
module Producer
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module Core
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class CLI
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ArgumentError = Class.new(::ArgumentError)
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OPTIONS_USAGE = '[-v] [-n] [-t host.example]'.freeze
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USAGE = "Usage: #{File.basename $0} #{OPTIONS_USAGE} recipe_file".freeze
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EX_USAGE = 64
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EX_SOFTWARE = 70
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class << self
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def run!(arguments, stdin: $stdin, stdout: $stdout, stderr: $stderr)
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cli = new(arguments, stdin: stdin, stdout: stdout, stderr: stderr)
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begin
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cli.parse_arguments!
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cli.run
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rescue ArgumentError
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stderr.puts USAGE
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exit EX_USAGE
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rescue RuntimeError => e
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stderr.puts "#{e.class.name.split('::').last}: #{e.message}"
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exit EX_SOFTWARE
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end
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end
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end
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attr_reader :arguments, :stdin, :stdout, :stderr, :env
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def initialize(args, stdin: $stdin, stdout: $stdout, stderr: $stderr)
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@arguments = args
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@stdin = stdin
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@stdout = stdout
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@env = Env.new(input: stdin, output: stdout, error_output: stderr)
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end
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def parse_arguments!
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@arguments = arguments.each_with_index.inject([]) do |m, (e, i)|
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case e
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when '-v'
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env.verbose = true
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when '-n'
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env.dry_run = true
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when '-t'
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env.target = arguments.delete_at i + 1
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else
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m << e
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end
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m
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end
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fail ArgumentError unless arguments.any?
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end
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def run
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worker.process load_recipe.tasks
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env.cleanup
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end
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def load_recipe
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Recipe.evaluate_from_file(@arguments.first, env)
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end
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def worker
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Worker.new(env)
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end
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end
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end
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end
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