f520301180
Co-authored-by: Sam Ford <1584702+samford@users.noreply.github.com> Co-authored-by: Thierry Moisan <thierry.moisan@gmail.com> Co-authored-by: Dawid Dziurla <dawidd0811@gmail.com> Co-authored-by: Maxim Belkin <maxim.belkin@gmail.com> Co-authored-by: Issy Long <me@issyl0.co.uk> Co-authored-by: Mike McQuaid <mike@mikemcquaid.com> Co-authored-by: Seeker <meaningseeking@protonmail.com>
59 lines
2.3 KiB
Ruby
59 lines
2.3 KiB
Ruby
# frozen_string_literal: true
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module Homebrew
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module Livecheck
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module Strategy
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# The `Gnome` strategy identifies versions of software at gnome.org by
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# checking the available downloads found in a project's `cache.json`
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# file.
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#
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# GNOME URLs generally follow a format like:
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# `https://download.gnome.org/sources/example/1.2/example-1.2.3.tar.xz`.
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#
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# The default regex restricts matching to filenames containing a version
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# with an even-numbered minor below 90, as these are stable releases.
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#
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# @api public
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class Gnome
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NICE_NAME = "GNOME"
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# The `Regexp` used to determine if the strategy applies to the URL.
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URL_MATCH_REGEX = /download\.gnome\.org/i.freeze
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# Whether the strategy can be applied to the provided URL.
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# @param url [String] the URL to match against
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# @return [Boolean]
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def self.match?(url)
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URL_MATCH_REGEX.match?(url)
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end
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# Generates a URL and regex (if one isn't provided) and passes them
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# to the `PageMatch#find_versions` method to identify versions in the
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# content.
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# @param url [String] the URL of the content to check
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# @param regex [Regexp] a regex used for matching versions in content
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# @return [Hash]
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def self.find_versions(url, regex = nil)
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%r{/sources/(?<package_name>.*?)/}i =~ url
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page_url = "https://download.gnome.org/sources/#{package_name}/cache.json"
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# GNOME archive files seem to use a standard filename format, so we
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# count on the delimiter between the package name and numeric version
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# being a hyphen and the file being a tarball.
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#
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# The `([0-8]\d*?)?[02468]` part of the regex is intended to restrict
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# matching to versions with an even-numbered minor, as these are
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# stable releases. This also excludes x.90+ versions, which are
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# development versions. See: https://www.gnome.org/gnome-3/source/
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#
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# Example regex: `/example-(\d+\.([0-8]\d*?)?[02468](?:\.\d+)*?)\.t/i`
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regex ||= /#{Regexp.escape(package_name)}-(\d+\.([0-8]\d*?)?[02468](?:\.\d+)*?)\.t/i
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Homebrew::Livecheck::Strategy::PageMatch.find_versions(page_url, regex)
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end
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end
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end
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end
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end
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