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Merge pull request Homebrew#10867 from nandahkrishna/electron-builder…
…-strategy livecheck/strategy: add ElectronBuilder strategy
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Original file line number | Diff line number | Diff line change |
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# typed: true | ||
# frozen_string_literal: true | ||
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module Homebrew | ||
module Livecheck | ||
module Strategy | ||
# The {ElectronBuilder} strategy fetches content at a URL and parses | ||
# it as an electron-builder appcast in YAML format. | ||
# | ||
# @api private | ||
class ElectronBuilder | ||
extend T::Sig | ||
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NICE_NAME = "electron-builder" | ||
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# A priority of zero causes livecheck to skip the strategy. We do this | ||
# for {ElectronBuilder} so we can selectively apply the strategy using | ||
# `strategy :electron_builder` in a `livecheck` block. | ||
PRIORITY = 0 | ||
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# The `Regexp` used to determine if the strategy applies to the URL. | ||
URL_MATCH_REGEX = %r{^https?://.+/.+\.ya?ml$}i.freeze | ||
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# Whether the strategy can be applied to the provided URL. | ||
# | ||
# @param url [String] the URL to match against | ||
# @return [Boolean] | ||
sig { params(url: String).returns(T::Boolean) } | ||
def self.match?(url) | ||
URL_MATCH_REGEX.match?(url) | ||
end | ||
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# Extract version information from page content. | ||
# | ||
# @param content [String] the content to check | ||
# @return [String] | ||
sig { | ||
params( | ||
content: String, | ||
block: T.nilable(T.proc.params(arg0: Hash).returns(String)), | ||
).returns(T.nilable(String)) | ||
} | ||
def self.version_from_content(content, &block) | ||
require "yaml" | ||
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return unless (yaml = YAML.safe_load(content)) | ||
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if block | ||
value = block.call(yaml) | ||
return value if value.is_a?(String) | ||
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raise TypeError, "Return value of `strategy :electron_builder` block must be a string." | ||
end | ||
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yaml["version"] | ||
end | ||
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# Checks the content at the URL for new versions. | ||
# | ||
# @param url [String] the URL of the content to check | ||
# @param regex [Regexp] a regex used for matching versions in content | ||
# @return [Hash] | ||
sig { | ||
params( | ||
url: String, | ||
regex: T.nilable(Regexp), | ||
block: T.nilable(T.proc.params(arg0: Hash).returns(String)), | ||
).returns(T::Hash[Symbol, T.untyped]) | ||
} | ||
def self.find_versions(url, regex = nil, &block) | ||
raise ArgumentError, "The #{T.must(name).demodulize} strategy does not support a regex." if regex | ||
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match_data = { matches: {}, regex: regex, url: url } | ||
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match_data.merge!(Strategy.page_content(url)) | ||
content = match_data.delete(:content) | ||
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version = version_from_content(content, &block) | ||
match_data[:matches][version] = Version.new(version) if version | ||
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match_data | ||
end | ||
end | ||
end | ||
end | ||
end |
58 changes: 58 additions & 0 deletions
58
Library/Homebrew/test/livecheck/strategy/electron_builder_spec.rb
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# typed: false | ||
# frozen_string_literal: true | ||
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require "livecheck/strategy/electron_builder" | ||
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describe Homebrew::Livecheck::Strategy::ElectronBuilder do | ||
subject(:electron_builder) { described_class } | ||
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let(:valid_url) { "https://www.example.com/example/latest-mac.yml" } | ||
let(:invalid_url) { "https://brew.sh/test" } | ||
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let(:electron_builder_yaml) { | ||
<<~EOS | ||
version: 1.2.3 | ||
files: | ||
- url: Example-1.2.3-mac.zip | ||
sha512: MDXR0pxozBJjxxbtUQJOnhiaiiQkryLAwtcVjlnNiz30asm/PtSxlxWKFYN3kV/kl+jriInJrGypuzajTF6XIA== | ||
size: 92031237 | ||
blockMapSize: 96080 | ||
- url: Example-1.2.3.dmg | ||
sha512: k6WRDlZEfZGZHoOfUShpHxXZb5p44DRp+FAO2FXNx2kStZvyW9VuaoB7phPMfZpcMKrzfRfncpP8VEM8OB2y9g== | ||
size: 94972630 | ||
path: Example-1.2.3-mac.zip | ||
sha512: MDXR0pxozBJjxxbtUQJOnhiaiiQkryLAwtcVjlnNiz30asm/PtSxlxWKFYN3kV/kl+jriInJrGypuzajTF6XIA== | ||
releaseDate: '2000-01-01T00:00:00.000Z' | ||
EOS | ||
} | ||
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describe "::match?" do | ||
it "returns true for any URL pointing to a YAML file" do | ||
expect(electron_builder.match?(valid_url)).to be true | ||
end | ||
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it "returns false for a URL not pointing to a YAML file" do | ||
expect(electron_builder.match?(invalid_url)).to be false | ||
end | ||
end | ||
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describe "::version_from_content" do | ||
let(:version_from_electron_builder_yaml) { electron_builder.version_from_content(electron_builder_yaml) } | ||
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it "returns nil if content is blank" do | ||
expect(electron_builder.version_from_content("")).to be nil | ||
end | ||
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it "returns a version string when given YAML data" do | ||
expect(version_from_electron_builder_yaml).to be_a(String) | ||
end | ||
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it "returns a version string when given YAML data and a block" do | ||
version = electron_builder.version_from_content(electron_builder_yaml) do |yaml| | ||
yaml["version"].sub("3", "4") | ||
end | ||
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expect(version).to eq "1.2.4" | ||
end | ||
end | ||
end |