mirror of https://github.com/Evolix/chexpire.git
56 lines
1.0 KiB
Ruby
56 lines
1.0 KiB
Ruby
# Copyright (C) 2018 Colin Darie <colin@darie.eu>, 2018 Evolix <info@evolix.fr>
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# License: GNU AGPL-3+ (see full text in LICENSE file)
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class SystemCommand
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Result = Struct.new(:command, :exit_status, :stdout, :stderr)
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class NotAllowedError < StandardError; end
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attr_reader :program
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attr_reader :args
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attr_reader :logger
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def initialize(program, args, logger: NullLogger.new)
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@program = program
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@args = Array.wrap(args)
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@logger = logger
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end
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def execute
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logger.log :before_command, syscmd
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result = call(syscmd)
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logger.log :after_command, result
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result
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end
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def syscmd
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escaped_args = args.map { |arg|
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'"' + escape_arg(arg) + '"'
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}
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[program, escaped_args].join(" ")
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end
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private
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# :nocov:
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def call(cmd)
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pid, _, stdout, stderr = Open4.popen4 cmd
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_, status = Process.waitpid2 pid
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Result.new(
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syscmd,
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status.exitstatus || 255,
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stdout.read.strip,
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stderr.read.strip,
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)
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end
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# :nocov:
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def escape_arg(arg)
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arg.to_s.gsub('"') { '\"' }
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end
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end
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