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Contents
# frozen_string_literal: true
require "excon"
require "dependabot/metadata_finders/base"
require "dependabot/shared_helpers"
module Dependabot
module MetadataFinders
module Rust
class Cargo < Dependabot::MetadataFinders::Base
SOURCE_KEYS = %w(repository homepage documentation).freeze
private
def look_up_source
case new_source_type
when "default" then find_source_from_crates_listing
when "git" then find_source_from_git_url
else raise "Unexpected source type: #{new_source_type}"
end
end
def new_source_type
sources =
dependency.requirements.map { |r| r.fetch(:source) }.uniq.compact
return "default" if sources.empty?
raise "Multiple sources! #{sources.join(', ')}" if sources.count > 1
sources.first[:type] || sources.first.fetch("type")
end
def find_source_from_crates_listing
potential_source_urls =
SOURCE_KEYS.
map { |key| crates_listing.dig("crate", key) }.
compact
source_url = potential_source_urls.find { |url| Source.from_url(url) }
Source.from_url(source_url)
end
def find_source_from_git_url
info = dependency.requirements.map { |r| r[:source] }.compact.first
url = info[:url] || info.fetch("url")
Source.from_url(url)
end
def crates_listing
return @crates_listing unless @crates_listing.nil?
response = Excon.get(
"https://crates.io/api/v1/crates/#{dependency.name}",
idempotent: true,
**SharedHelpers.excon_defaults
)
@crates_listing = JSON.parse(response.body)
end
end
end
end
end
Version data entries
22 entries across 22 versions & 1 rubygems