57 lines
2.1 KiB
Ruby
57 lines
2.1 KiB
Ruby
# typed: false
|
|
# frozen_string_literal: true
|
|
|
|
module Homebrew
|
|
module Livecheck
|
|
module Strategy
|
|
# The `Launchpad` strategy identifies versions of software at
|
|
# launchpad.net by checking the main page for a project.
|
|
#
|
|
# Launchpad URLs take a variety of formats but all the current formats
|
|
# contain the project name as the first part of the URL path:
|
|
# * `https://launchpad.net/example/1.2/1.2.3/+download/example-1.2.3.tar.gz`
|
|
# * `https://launchpad.net/example/trunk/1.2.3/+download/example-1.2.3.tar.gz`
|
|
# * `https://code.launchpad.net/example/1.2/1.2.3/+download/example-1.2.3.tar.gz`
|
|
#
|
|
# The default regex identifies the latest version within an HTML element
|
|
# found on the main page for a project:
|
|
# ```html
|
|
# <div class="version">
|
|
# Latest version is 1.2.3
|
|
# </div>
|
|
# ```
|
|
#
|
|
# @api public
|
|
class Launchpad
|
|
# The `Regexp` used to determine if the strategy applies to the URL.
|
|
URL_MATCH_REGEX = /launchpad\.net/i.freeze
|
|
|
|
# Whether the strategy can be applied to the provided URL.
|
|
# @param url [String] the URL to match against
|
|
# @return [Boolean]
|
|
def self.match?(url)
|
|
URL_MATCH_REGEX.match?(url)
|
|
end
|
|
|
|
# Generates a URL and regex (if one isn't provided) and passes them
|
|
# to the `PageMatch#find_versions` method to identify versions in the
|
|
# content.
|
|
# @param url [String] the URL of the content to check
|
|
# @param regex [Regexp] a regex used for matching versions in content
|
|
# @return [Hash]
|
|
def self.find_versions(url, regex = nil)
|
|
%r{launchpad\.net/(?<project_name>[^/]+)}i =~ url
|
|
|
|
# The main page for the project on Launchpad
|
|
page_url = "https://launchpad.net/#{project_name}"
|
|
|
|
# The default regex is the same for all URLs using this strategy
|
|
regex ||= %r{class="[^"]*version[^"]*"[^>]*>\s*Latest version is (.+)\s*</}
|
|
|
|
Homebrew::Livecheck::Strategy::PageMatch.find_versions(page_url, regex)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|