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Versions: 20
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Contents
module Licensee
module Matchers
class Cran < Licensee::Matchers::Package
attr_reader :file
# While we could parse the DESCRIPTION file, prefer
# a lenient regex for speed and security. Moar parsing moar problems.
LICENSE_FIELD_REGEX = /^license:\s*(.+)/i
PLUS_FILE_LICENSE_REGEX = /\s*\+\s*file\s+LICENSE$/i
GPL_VERSION_REGEX = /^GPL(?:-([23])|\s*\(\s*>=\s*([23])\s*\))$/i
private
# Returns the raw license string from the `license: ` field
# or `nil` if no license field is found
def license_field
return @license_field if defined? @license_field
match = @file.content.match LICENSE_FIELD_REGEX
@license_field = match ? match[1].downcase : nil
end
# returns the normalized GPL version, if the license is a GPL license
# Otherwise, returns `nil`
def gpl_version(license_key)
match = license_key.match GPL_VERSION_REGEX
match ? "gpl-#{(match[1] || match[2])}.0" : nil
end
# Normalizes the license field value to an SPDX ID
# Rerurns `nil` if no license is found
def license_property
return unless license_field
# Remove The common + file LICENSE text
license_key = license_field.sub(PLUS_FILE_LICENSE_REGEX, '')
gpl_version(license_key) || license_key
end
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems