class Dependencies::Helpers::AptCachePolicy
Constants
- INSTALLED_VERSION_REGEX
Attributes
name[R]
Public Class Methods
new(name)
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# File lib/dependencies/helpers/apt_cache_policy.rb, line 10 def initialize(name) @name = name end
Public Instance Methods
installed?()
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# File lib/dependencies/helpers/apt_cache_policy.rb, line 18 def installed? !!installed_version end
installed_version()
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# File lib/dependencies/helpers/apt_cache_policy.rb, line 14 def installed_version version_from_policy_version_line(installed_version_line) end
Private Instance Methods
apt_cache_lines()
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# File lib/dependencies/helpers/apt_cache_policy.rb, line 38 def apt_cache_lines @apt_cache_lines ||= `apt-cache policy #{name}`.split("\n") end
installed_version_line()
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# File lib/dependencies/helpers/apt_cache_policy.rb, line 24 def installed_version_line apt_cache_lines.find { |line| line.match(/#{INSTALLED_VERSION_REGEX}/) } end
version_from_policy_version_line(line)
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# File lib/dependencies/helpers/apt_cache_policy.rb, line 28 def version_from_policy_version_line(line) return nil if line.nil? # E.g.: # Installed: 7.52.1-5+deb9u7 match = line.match(/#{INSTALLED_VERSION_REGEX}/) match.nil? ? nil : match[1] end