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# frozen_string_literal: true
module Gitlab
module DependencyLinker
class GemfileLinker < MethodLinker
class_attribute :package_keyword
self.package_keyword = :gem
self.file_type = :gemfile
GITHUB_REGEX = /(github:|:github\s*=>)\s*['"](?<name>[^'"]+)['"]/.freeze
GIT_REGEX = /(git:|:git\s*=>)\s*['"](?<name>#{URL_REGEX})['"]/.freeze
private
def link_dependencies
link_urls
link_packages
end
def link_urls
# Link `github: "user/repo"` to https://github.com/user/repo
link_regex(GITHUB_REGEX, &method(:github_url))
# Link `git: "https://gitlab.example.com/user/repo"` to https://gitlab.example.com/user/repo
link_regex(GIT_REGEX, &:itself)
# Link `source "https://rubygems.org"` to https://rubygems.org
link_method_call('source', URL_REGEX, &:itself)
end
def link_packages
packages = parse_packages
return if packages.blank?
packages.each do |package|
link_method_call('gem', package.name) do
external_url(package.name, package.external_ref)
end
end
end
def package_url(name)
"https://rubygems.org/gems/#{name}"
end
def parse_packages
parser = Gitlab::DependencyLinker::Parser::Gemfile.new(plain_text)
parser.parse(keyword: self.class.package_keyword)
end
end
end
end
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