Module: Homebrew::Livecheck Private

Extended by:
T::Sig
Defined in:
livecheck/livecheck.rb,
livecheck/error.rb,
livecheck/strategy.rb,
livecheck/strategy/git.rb,
livecheck/strategy/gnu.rb,
livecheck/strategy/npm.rb,
livecheck/strategy/cpan.rb,
livecheck/strategy/pypi.rb,
livecheck/strategy/xorg.rb,
livecheck/strategy/gnome.rb,
livecheck/skip_conditions.rb,
livecheck/strategy/apache.rb,
livecheck/strategy/hackage.rb,
livecheck/strategy/sparkle.rb,
livecheck/livecheck_version.rb,
livecheck/strategy/bitbucket.rb,
livecheck/strategy/launchpad.rb,
livecheck/strategy/page_match.rb,
livecheck/strategy/sourceforge.rb,
livecheck/strategy/header_match.rb,
livecheck/strategy/extract_plist.rb,
livecheck/strategy/github_latest.rb,
livecheck/strategy/electron_builder.rb

Overview

This module is part of a private API. This module may only be used in the Homebrew/brew repository. Third parties should avoid using this module if possible, as it may be removed or changed without warning.

The Livecheck module consists of methods used by the brew livecheck command. These methods print the requested livecheck information for formulae.

Defined Under Namespace

Modules: SkipConditions, Strategy Classes: Error, LivecheckVersion

Constant Summary collapse

GITEA_INSTANCES =

This constant is part of a private API. This constant may only be used in the Homebrew/brew repository. Third parties should avoid using this constant if possible, as it may be removed or changed without warning. 

%w[
  codeberg.org
  gitea.com
  opendev.org
  tildegit.org
].freeze
GOGS_INSTANCES =

This constant is part of a private API. This constant may only be used in the Homebrew/brew repository. Third parties should avoid using this constant if possible, as it may be removed or changed without warning. 

%w[
  lolg.it
].freeze
STRATEGY_SYMBOLS_TO_SKIP_PREPROCESS_URL =

This constant is part of a private API. This constant may only be used in the Homebrew/brew repository. Third parties should avoid using this constant if possible, as it may be removed or changed without warning. 

[
  :github_latest,
  :page_match,
  :header_match,
  :sparkle,
].freeze
UNSTABLE_VERSION_KEYWORDS =

This constant is part of a private API. This constant may only be used in the Homebrew/brew repository. Third parties should avoid using this constant if possible, as it may be removed or changed without warning. 

%w[
  alpha
  beta
  bpo
  dev
  experimental
  prerelease
  preview
  rc
].freeze

Class Method Summary collapse

Class Method Details

.cask_name(cask, full_name: false) ⇒ String

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns the fully-qualified name of a cask if the full_name argument is provided; returns the name otherwise.

Parameters:

  • cask (Cask::Cask)
  • full_name (Boolean) (defaults to: false)

Returns:



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# File 'livecheck/livecheck.rb', line 295

def cask_name(cask, full_name: false)
  full_name ? cask.full_name : cask.token
end

.checkable_urls(formula_or_cask) ⇒ Array<String>

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns an Array containing the formula/cask URLs that can be used by livecheck.

Parameters:

Returns:



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# File 'livecheck/livecheck.rb', line 379

def checkable_urls(formula_or_cask)
  urls = []

  case formula_or_cask
  when Formula
    if formula_or_cask.stable
      urls << formula_or_cask.stable.url
      urls.concat(formula_or_cask.stable.mirrors)
    end
    urls << formula_or_cask.head.url if formula_or_cask.head
    urls << formula_or_cask.homepage if formula_or_cask.homepage
  when Cask::Cask
    urls << formula_or_cask.appcast.to_s if formula_or_cask.appcast
    urls << formula_or_cask.url.to_s if formula_or_cask.url
    urls << formula_or_cask.homepage if formula_or_cask.homepage
  else
    T.absurd(formula_or_cask)
  end

  urls.compact
end

.formula_name(formula, full_name: false) ⇒ String

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns the fully-qualified name of a formula if the full_name argument is provided; returns the name otherwise.

Parameters:

  • formula (Formula)
  • full_name (Boolean) (defaults to: false)

Returns:



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# File 'livecheck/livecheck.rb', line 302

def formula_name(formula, full_name: false)
  full_name ? formula.full_name : formula.name
end

.formula_or_cask_name(formula_or_cask, full_name: false) ⇒ String

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Parameters:

Returns:



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# File 'livecheck/livecheck.rb', line 281

def formula_or_cask_name(formula_or_cask, full_name: false)
  case formula_or_cask
  when Formula
    formula_name(formula_or_cask, full_name: full_name)
  when Cask::Cask
    cask_name(formula_or_cask, full_name: full_name)
  else
    T.absurd(formula_or_cask)
  end
end

.latest_version(formula_or_cask, json: false, full_name: false, verbose: false, debug: false) ⇒ Hash?

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Identifies the latest version of the formula and returns a Hash containing the version information. Returns nil if a latest version couldn’t be found.

Parameters:

  • formula_or_cask (Formula, Cask::Cask)
  • json (Boolean) (defaults to: false)
  • full_name (Boolean) (defaults to: false)
  • verbose (Boolean) (defaults to: false)
  • debug (Boolean) (defaults to: false)

Returns:

  • (Hash, nil) 


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# File 'livecheck/livecheck.rb', line 454

def latest_version(formula_or_cask, json: false, full_name: false, verbose: false, debug: false)
  formula = formula_or_cask if formula_or_cask.is_a?(Formula)
  cask = formula_or_cask if formula_or_cask.is_a?(Cask::Cask)

  has_livecheckable = formula_or_cask.livecheckable?
  livecheck = formula_or_cask.livecheck
  livecheck_url = livecheck.url
  livecheck_regex = livecheck.regex
  livecheck_strategy = livecheck.strategy

  livecheck_url_string = livecheck_url_to_string(livecheck_url, formula_or_cask)

  urls = [livecheck_url_string] if livecheck_url_string
  urls ||= checkable_urls(formula_or_cask)

  if debug
    if formula
      puts "Formula:          #{formula_name(formula, full_name: full_name)}"
      puts "Head only?:       true" if formula.head_only?
    elsif cask
      puts "Cask:             #{cask_name(formula_or_cask, full_name: full_name)}"
    end
    puts "Livecheckable?:   #{has_livecheckable ? "Yes" : "No"}"
  end

  urls.each_with_index do |original_url, i|
    if debug
      puts
      if livecheck_url.is_a?(Symbol)
        # This assumes the URL symbol will fit within the available space
        puts "URL (#{livecheck_url}):".ljust(18, " ") + original_url
      else
        puts "URL:              #{original_url}"
      end
    end

    # Only preprocess the URL when it's appropriate
    url = if STRATEGY_SYMBOLS_TO_SKIP_PREPROCESS_URL.include?(livecheck_strategy)
      original_url
    else
      preprocess_url(original_url)
    end

    strategies = Strategy.from_url(
      url,
      livecheck_strategy: livecheck_strategy,
      url_provided:       livecheck_url.present?,
      regex_provided:     livecheck_regex.present?,
      block_provided:     livecheck.strategy_block.present?,
    )
    strategy = Strategy.from_symbol(livecheck_strategy) || strategies.first
    strategy_name = livecheck_strategy_names[strategy]

    if debug
      puts "URL (processed):  #{url}" if url != original_url
      if strategies.present? && verbose
        puts "Strategies:       #{strategies.map { |s| livecheck_strategy_names[s] }.join(", ")}"
      end
      puts "Strategy:         #{strategy.blank? ? "None" : strategy_name}"
      puts "Regex:            #{livecheck_regex.inspect}" if livecheck_regex.present?
    end

    if livecheck_strategy.present?
      if livecheck_strategy == :page_match && (livecheck_regex.blank? && livecheck.strategy_block.blank?)
        odebug "#{strategy_name} strategy requires a regex or block"
        next
      elsif livecheck_url.blank?
        odebug "#{strategy_name} strategy requires a URL"
        next
      elsif strategies.exclude?(strategy)
        odebug "#{strategy_name} strategy does not apply to this URL"
        next
      end
    end

    next if strategy.blank?

    strategy_data = begin
      strategy.find_versions(url, livecheck_regex, cask: cask, &livecheck.strategy_block)
    rescue ArgumentError => e
      raise unless e.message.include?("unknown keyword: cask")

      odeprecated "`def self.find_versions` in `#{strategy}` without a `cask` parameter"
    end
    match_version_map = strategy_data[:matches]
    regex = strategy_data[:regex]
    messages = strategy_data[:messages]

    if messages.is_a?(Array) && match_version_map.blank?
      puts messages unless json
      next if i + 1 < urls.length

      return status_hash(formula_or_cask, "error", messages, full_name: full_name, verbose: verbose)
    end

    if debug
      puts "URL (strategy):   #{strategy_data[:url]}" if strategy_data[:url] != url
      puts "URL (final):      #{strategy_data[:final_url]}" if strategy_data[:final_url]
      puts "Regex (strategy): #{strategy_data[:regex].inspect}" if strategy_data[:regex] != livecheck_regex
      puts "Cached?:          Yes" if strategy_data[:cached] == true
    end

    match_version_map.delete_if do |_match, version|
      next true if version.blank?
      next false if has_livecheckable

      UNSTABLE_VERSION_KEYWORDS.any? do |rejection|
        version.to_s.include?(rejection)
      end
    end

    next if match_version_map.blank?

    if debug
      puts
      puts "Matched Versions:"

      if verbose
        match_version_map.each do |match, version|
          puts "#{match} => #{version.inspect}"
        end
      else
        puts match_version_map.values.join(", ")
      end
    end

    version_info = {
      latest: Version.new(match_version_map.values.max_by { |v| LivecheckVersion.create(formula_or_cask, v) }),
    }

    if json && verbose
      version_info[:meta] = {}

      version_info[:meta][:url] = {}
      version_info[:meta][:url][:symbol] = livecheck_url if livecheck_url.is_a?(Symbol) && livecheck_url_string
      version_info[:meta][:url][:original] = original_url
      version_info[:meta][:url][:processed] = url if url != original_url
      version_info[:meta][:url][:strategy] = strategy_data[:url] if strategy_data[:url] != url
      version_info[:meta][:url][:final] = strategy_data[:final_url] if strategy_data[:final_url]

      version_info[:meta][:strategy] = strategy.present? ? strategy_name : nil
      version_info[:meta][:strategies] = strategies.map { |s| livecheck_strategy_names[s] } if strategies.present?
      version_info[:meta][:regex] = regex.inspect if regex.present?
      version_info[:meta][:cached] = true if strategy_data[:cached] == true
    end

    return version_info
  end

  nil
end

.livecheck_strategy_names ⇒ Hash{Class => String}

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



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# File 'livecheck/livecheck.rb', line 52

def livecheck_strategy_names
  return @livecheck_strategy_names if defined?(@livecheck_strategy_names)

  # Cache demodulized strategy names, to avoid repeating this work
  @livecheck_strategy_names = {}
  Strategy.constants.sort.each do |strategy_symbol|
    strategy = Strategy.const_get(strategy_symbol)
    @livecheck_strategy_names[strategy] = strategy.name.demodulize
  end
  @livecheck_strategy_names.freeze
end

.livecheck_url_to_string(livecheck_url, formula_or_cask) ⇒ String?

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Parameters:

Returns:



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# File 'livecheck/livecheck.rb', line 364

def livecheck_url_to_string(livecheck_url, formula_or_cask)
  case livecheck_url
  when String
    livecheck_url
  when :url
    formula_or_cask.url&.to_s if formula_or_cask.is_a?(Cask::Cask)
  when :head, :stable
    formula_or_cask.send(livecheck_url)&.url if formula_or_cask.is_a?(Formula)
  when :homepage
    formula_or_cask.homepage
  end
end

.load_other_tap_strategies(formulae_and_casks_to_check) ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.

Uses formulae_and_casks_to_check to identify taps in use other than homebrew/core and homebrew/cask and loads strategies from them.

Parameters:



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# File 'livecheck/livecheck.rb', line 67

def load_other_tap_strategies(formulae_and_casks_to_check)
  other_taps = {}
  formulae_and_casks_to_check.each do |formula_or_cask|
    next if formula_or_cask.tap.blank?
    next if formula_or_cask.tap.name == CoreTap.instance.name
    next if formula_or_cask.tap.name == "homebrew/cask"
    next if other_taps[formula_or_cask.tap.name]

    other_taps[formula_or_cask.tap.name] = formula_or_cask.tap
  end
  other_taps = other_taps.sort.to_h

  other_taps.each_value do |tap|
    tap_strategy_path = "#{tap.path}/livecheck/strategy"
    Dir["#{tap_strategy_path}/*.rb"].sort.each(&method(:require)) if Dir.exist?(tap_strategy_path)
  end
end

.preprocess_url(url) ⇒ String

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Preprocesses and returns the URL used by livecheck.

Parameters:

Returns:



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# File 'livecheck/livecheck.rb', line 403

def preprocess_url(url)
  begin
    uri = URI.parse url
  rescue URI::InvalidURIError
    return url
  end

  host = uri.host
  path = uri.path
  return url if host.nil? || path.nil?

  host = "github.com" if host == "github.s3.amazonaws.com"
  path = path.delete_prefix("/").delete_suffix(".git")
  scheme = uri.scheme

  if host.end_with?("github.com")
    return url if path.match? %r{/releases/latest/?$}

    owner, repo = path.delete_prefix("downloads/").split("/")
    url = "#{scheme}://#{host}/#{owner}/#{repo}.git"
  elsif host.end_with?(*GITEA_INSTANCES)
    return url if path.match? %r{/releases/latest/?$}

    owner, repo = path.split("/")
    url = "#{scheme}://#{host}/#{owner}/#{repo}.git"
  elsif host.end_with?(*GOGS_INSTANCES)
    owner, repo = path.split("/")
    url = "#{scheme}://#{host}/#{owner}/#{repo}.git"
  # sourcehut
  elsif host.end_with?("git.sr.ht")
    owner, repo = path.split("/")
    url = "#{scheme}://#{host}/#{owner}/#{repo}"
  # GitLab (gitlab.com or self-hosted)
  elsif path.include?("/-/archive/")
    url = url.sub(%r{/-/archive/.*$}i, ".git")
  end

  url
end

.print_latest_version(info, verbose:, ambiguous_cask: false) ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.

Formats and prints the livecheck result for a formula.

Parameters:

  • info (Hash)
  • verbose (Boolean)
  • ambiguous_cask (Boolean) (defaults to: false) 


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# File 'livecheck/livecheck.rb', line 338

def print_latest_version(info, verbose:, ambiguous_cask: false)
  formula_or_cask_s = "#{Tty.blue}#{info[:formula] || info[:cask]}#{Tty.reset}"
  formula_or_cask_s += " (cask)" if ambiguous_cask
  formula_or_cask_s += " (guessed)" if !info[:meta][:livecheckable] && verbose

  current_s = if info[:version][:newer_than_upstream]
    "#{Tty.red}#{info[:version][:current]}#{Tty.reset}"
  else
    info[:version][:current]
  end

  latest_s = if info[:version][:outdated]
    "#{Tty.green}#{info[:version][:latest]}#{Tty.reset}"
  else
    info[:version][:latest]
  end

  puts "#{formula_or_cask_s} : #{current_s} ==> #{latest_s}"
end

.run_checks(formulae_and_casks_to_check, full_name: false, handle_name_conflict: false, json: false, newer_only: false, debug: false, quiet: false, verbose: false) ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.

Executes the livecheck logic for each formula/cask in the formulae_and_casks_to_check array and prints the results.

Parameters:

  • formulae_and_casks_to_check (Array<Formula, Cask::Cask>)
  • full_name (Boolean) (defaults to: false)
  • handle_name_conflict (Boolean) (defaults to: false)
  • json (Boolean) (defaults to: false)
  • newer_only (Boolean) (defaults to: false)
  • debug (Boolean) (defaults to: false)
  • quiet (Boolean) (defaults to: false)
  • verbose (Boolean) (defaults to: false) 


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# File 'livecheck/livecheck.rb', line 99

def run_checks(
  formulae_and_casks_to_check,
  full_name: false, handle_name_conflict: false, json: false, newer_only: false,
  debug: false, quiet: false, verbose: false
)
  load_other_tap_strategies(formulae_and_casks_to_check)

  ambiguous_casks = []
  if handle_name_conflict
    ambiguous_casks = formulae_and_casks_to_check.group_by { |item| formula_or_cask_name(item, full_name: true) }
                                                 .values
                                                 .select { |items| items.length > 1 }
                                                 .flatten
                                                 .select { |item| item.is_a?(Cask::Cask) }
  end

  ambiguous_names = []
  unless full_name
    ambiguous_names =
      (formulae_and_casks_to_check - ambiguous_casks).group_by { |item| formula_or_cask_name(item) }
                                                     .values
                                                     .select { |items| items.length > 1 }
                                                     .flatten
  end

  has_a_newer_upstream_version = T.let(false, T::Boolean)

  if json && !quiet && $stderr.tty?
    formulae_and_casks_total = formulae_and_casks_to_check.count

    Tty.with($stderr) do |stderr|
      stderr.puts Formatter.headline("Running checks", color: :blue)
    end

    progress = ProgressBar.create(
      total:          formulae_and_casks_total,
      progress_mark:  "#",
      remainder_mark: ".",
      format:         " %t: [%B] %c/%C ",
      output:         $stderr,
    )
  end

  formulae_checked = formulae_and_casks_to_check.map.with_index do |formula_or_cask, i|
    formula = formula_or_cask if formula_or_cask.is_a?(Formula)
    cask = formula_or_cask if formula_or_cask.is_a?(Cask::Cask)

    use_full_name = full_name || ambiguous_names.include?(formula_or_cask)
    name = formula_or_cask_name(formula_or_cask, full_name: use_full_name)

    if debug && i.positive?
      puts <<~EOS

        ----------

      EOS
    elsif debug
      puts
    end

    skip_info = SkipConditions.skip_information(formula_or_cask, full_name: use_full_name, verbose: verbose)
    if skip_info.present?
      next skip_info if json

      SkipConditions.print_skip_information(skip_info) unless quiet
      next
    end

    formula&.head&.downloader&.shutup!

    # Use the `stable` version for comparison except for installed
    # head-only formulae. A formula with `stable` and `head` that's
    # installed using `--head` will still use the `stable` version for
    # comparison.
    current = if formula
      if formula.head_only?
        formula.any_installed_version.version.commit
      else
        formula.stable.version
      end
    else
      Version.new(formula_or_cask.version)
    end

    current_str = current.to_s
    current = LivecheckVersion.create(formula_or_cask, current)

    latest = if formula&.head_only?
      formula.head.downloader.fetch_last_commit
    else
      version_info = latest_version(
        formula_or_cask,
        json: json, full_name: use_full_name, verbose: verbose, debug: debug,
      )
      version_info[:latest] if version_info.present?
    end

    if latest.blank?
      no_versions_msg = "Unable to get versions"
      raise Livecheck::Error, no_versions_msg unless json

      next version_info if version_info.is_a?(Hash) && version_info[:status] && version_info[:messages]

      next status_hash(formula_or_cask, "error", [no_versions_msg], full_name: use_full_name, verbose: verbose)
    end

    if (m = latest.to_s.match(/(.*)-release$/)) && !current.to_s.match(/.*-release$/)
      latest = Version.new(m[1])
    end

    latest_str = latest.to_s
    latest = LivecheckVersion.create(formula_or_cask, latest)

    is_outdated = if formula&.head_only?
      # A HEAD-only formula is considered outdated if the latest upstream
      # commit hash is different than the installed version's commit hash
      (current != latest)
    else
      (current < latest)
    end

    is_newer_than_upstream = (formula&.stable? || cask) && (current > latest)

    info = {}
    info[:formula] = name if formula
    info[:cask] = name if cask
    info[:version] = {
      current:             current_str,
      latest:              latest_str,
      outdated:            is_outdated,
      newer_than_upstream: is_newer_than_upstream,
    }
    info[:meta] = {
      livecheckable: formula_or_cask.livecheckable?,
    }
    info[:meta][:head_only] = true if formula&.head_only?
    info[:meta].merge!(version_info[:meta]) if version_info.present? && version_info.key?(:meta)

    next if newer_only && !info[:version][:outdated]

    has_a_newer_upstream_version ||= true

    if json
      progress&.increment
      info.except!(:meta) unless verbose
      next info
    end

    print_latest_version(info, verbose: verbose, ambiguous_cask: ambiguous_casks.include?(formula_or_cask))
    nil
  rescue => e
    Homebrew.failed = true
    use_full_name = full_name || ambiguous_names.include?(formula_or_cask)

    if json
      progress&.increment
      status_hash(formula_or_cask, "error", [e.to_s], full_name: use_full_name, verbose: verbose)
    elsif !quiet
      name = formula_or_cask_name(formula_or_cask, full_name: use_full_name)
      name += " (cask)" if ambiguous_casks.include?(formula_or_cask)

      onoe "#{Tty.blue}#{name}#{Tty.reset}: #{e}"
      $stderr.puts e.backtrace if debug && !e.is_a?(Livecheck::Error)
      nil
    end
  end

  puts "No newer upstream versions." if newer_only && !has_a_newer_upstream_version && !debug && !json

  return unless json

  if progress
    progress.finish
    Tty.with($stderr) do |stderr|
      stderr.print "#{Tty.up}#{Tty.erase_line}" * 2
    end
  end

  puts JSON.pretty_generate(formulae_checked.compact)
end

.status_hash(formula_or_cask, status_str, messages = nil, full_name: false, verbose: false) ⇒ Hash

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Parameters:

  • formula_or_cask (Formula, Cask::Cask)
  • status_str (String)
  • messages (Array<String>, nil) (defaults to: nil)
  • full_name (Boolean) (defaults to: false)
  • verbose (Boolean) (defaults to: false)

Returns:

  • (Hash) 


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# File 'livecheck/livecheck.rb', line 315

def status_hash(formula_or_cask, status_str, messages = nil, full_name: false, verbose: false)
  formula = formula_or_cask if formula_or_cask.is_a?(Formula)
  cask = formula_or_cask if formula_or_cask.is_a?(Cask::Cask)

  status_hash = {}
  if formula
    status_hash[:formula] = formula_name(formula, full_name: full_name)
  elsif cask
    status_hash[:cask] = cask_name(formula_or_cask, full_name: full_name)
  end
  status_hash[:status] = status_str
  status_hash[:messages] = messages if messages.is_a?(Array)

  status_hash[:meta] = {
    livecheckable: formula_or_cask.livecheckable?,
  }
  status_hash[:meta][:head_only] = true if formula&.head_only?

  status_hash
end