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module Hbc::QualifiedToken
REPO_PREFIX = "homebrew-".freeze
# per https://github.com/Homebrew/homebrew/blob/4c7bc9ec3bca729c898ee347b6135ba692ee0274/Library/Homebrew/cmd/tap.rb#L121
USER_REGEX = %r{[a-z_\-]+}
# per https://github.com/Homebrew/homebrew/blob/4c7bc9ec3bca729c898ee347b6135ba692ee0274/Library/Homebrew/cmd/tap.rb#L121
REPO_REGEX = %r{(?:#{REPO_PREFIX})?\w+}
# per https://github.com/caskroom/homebrew-cask/blob/master/CONTRIBUTING.md#generating-a-token-for-the-cask
TOKEN_REGEX = %r{[a-z0-9\-]+}
TAP_REGEX = %r{#{USER_REGEX}[/\-]#{REPO_REGEX}}
QUALIFIED_TOKEN_REGEX ||= %r{#{TAP_REGEX}/#{TOKEN_REGEX}}
def self.parse(arg)
return nil unless arg.is_a?(String) && arg.downcase =~ %r{^#{QUALIFIED_TOKEN_REGEX}$}
path_elements = arg.downcase.split("/")
if path_elements.count == 2
# eg phinze-cask/google-chrome.
# Not certain this form is needed, but it was supported in the past.
token = path_elements[1]
dash_elements = path_elements[0].split("-")
repo = dash_elements.pop
dash_elements.pop if dash_elements.count > 1 && dash_elements[-1] + "-" == REPO_PREFIX
user = dash_elements.join("-")
else
# eg caskroom/cask/google-chrome
# per https://github.com/Homebrew/homebrew/wiki/brew-tap
user, repo, token = path_elements
end
repo.sub!(%r{^#{REPO_PREFIX}}, "")
odebug "[user, repo, token] might be [#{user}, #{repo}, #{token}]"
[user, repo, token]
end
end
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