57 lines
1.5 KiB
Ruby
57 lines
1.5 KiB
Ruby
module Ark
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class TarCommandBuilder
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def unpack
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"#{tar_binary} #{args} #{resource.release_file}#{strip_args}"
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end
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def dump
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"tar -mxf \"#{resource.release_file}\" -C \"#{resource.path}\""
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end
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def cherry_pick
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"#{tar_binary} #{args} #{resource.release_file} -C #{resource.path}#{strip_args} #{resource.creates}"
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end
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def initialize(resource)
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@resource = resource
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end
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private
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attr_reader :resource
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def node
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resource.run_context.node
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end
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def tar_binary
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@tar_binary ||= node['ark']['tar'] || case node['platform_family']
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when 'mac_os_x', 'freebsd'
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'/usr/bin/tar'
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when 'smartos'
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'/bin/gtar'
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else
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'/bin/tar'
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end
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end
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def args
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case resource.extension
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when /^(tar)$/ then 'xf'
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when /^(tar.gz|tgz)$/ then 'xzf'
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when /^(tar.bz2|tbz)$/ then 'xjf'
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when /^(tar.xz|txz)$/ then 'xJf'
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else raise unsupported_extension
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end
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end
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def strip_args
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resource.strip_components > 0 ? " --strip-components=#{resource.strip_components}" : ''
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end
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def unsupported_extension
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"Don't know how to expand #{resource.url} (extension: #{resource.extension})"
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end
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end
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end
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