Class: Homebrew::TestBot::Step Private

Inherits:
Object
  • Object
show all
Includes:
SystemCommand::Mixin
Defined in:
test_bot/step.rb

Overview

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

Wraps command invocations. Instantiated by Test#test. Handles logging and pretty-printing.

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from SystemCommand::Mixin

#system_command, #system_command!

Constructor Details

#initialize(command, env:, verbose:, named_args: nil, ignore_failures: false, repository: nil) ⇒ Step

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.

Instantiates a Step object.

Parameters:

  • command (Array<String>) —

    Command to execute and arguments.

  • env (Hash) —

    Environment variables to set when running command.



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# File 'test_bot/step.rb', line 18

def initialize(command, env:, verbose:, named_args: nil, ignore_failures: false, repository: nil)
  @named_args = [named_args].flatten.compact.map(&:to_s)
  @command = command + @named_args
  @env = env
  @verbose = verbose
  @ignore_failures = ignore_failures
  @repository = repository

  @name = command[1]&.delete("-")
  @status = :running
  @output = nil
end

Instance Attribute Details

#command ⇒ Object (readonly)

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. 



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# File 'test_bot/step.rb', line 13

def command
  @command
end

#end_time ⇒ Object (readonly)

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. 



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# File 'test_bot/step.rb', line 13

def end_time
  @end_time
end

#name ⇒ Object (readonly)

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. 



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# File 'test_bot/step.rb', line 13

def name
  @name
end

#output ⇒ Object (readonly)

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. 



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# File 'test_bot/step.rb', line 13

def output
  @output
end

#start_time ⇒ Object (readonly)

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. 



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# File 'test_bot/step.rb', line 13

def start_time
  @start_time
end

#status ⇒ Object (readonly)

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. 



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# File 'test_bot/step.rb', line 13

def status
  @status
end

Instance Method Details

#annotation_location(name) ⇒ Object

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. 



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# File 'test_bot/step.rb', line 122

def annotation_location(name)
  formula = Formulary.factory(name)
  method_sym = command.second.to_sym
  method_location = formula.method(method_sym).source_location if formula.respond_to?(method_sym)

  if method_location.present? && (method_location.first == formula.path.to_s)
    method_location
  else
    [formula.path, nil]
  end
rescue FormulaUnavailableError
  [@repository.glob("**/#{name}*").first, nil]
end

#command_short ⇒ Object

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. 



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# File 'test_bot/step.rb', line 39

def command_short
  (@command - %W[
    brew
    -C
    #{HOMEBREW_PREFIX}
    #{HOMEBREW_REPOSITORY}
    #{@repository}
    #{Dir.pwd}
    --force
    --retry
    --verbose
    --json
  ].freeze).join(" ")
    .gsub(HOMEBREW_PREFIX.to_s, "")
    .gsub(HOMEBREW_REPOSITORY.to_s, "")
    .gsub(@repository.to_s, "")
    .gsub(Dir.pwd, "")
end

#command_trimmed ⇒ Object

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. 



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# File 'test_bot/step.rb', line 31

def command_trimmed
  command.reject { |arg| arg.to_s.start_with?("--exclude") }
         .join(" ")
         .delete_prefix("#{HOMEBREW_LIBRARY}/Taps/")
         .delete_prefix("#{HOMEBREW_PREFIX}/")
         .delete_prefix("/usr/bin/")
end

#failed? ⇒ Boolean

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:

  • (Boolean) 


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# File 'test_bot/step.rb', line 62

def failed?
  @status == :failed
end

#ignored? ⇒ Boolean

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:

  • (Boolean) 


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# File 'test_bot/step.rb', line 66

def ignored?
  @status == :ignored
end

#in_github_actions? ⇒ Boolean

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:

  • (Boolean) 


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# File 'test_bot/step.rb', line 78

def in_github_actions?
  ENV["GITHUB_ACTIONS"].present?
end

#output? ⇒ Boolean

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:

  • (Boolean) 


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# File 'test_bot/step.rb', line 103

def output?
  @output.present?
end

#passed? ⇒ Boolean

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:

  • (Boolean) 


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# File 'test_bot/step.rb', line 58

def passed?
  @status == :passed
end

#puts_command ⇒ Object

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. 



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# File 'test_bot/step.rb', line 70

def puts_command
  puts Formatter.headline(command_trimmed, color: :blue)
end

#puts_full_output ⇒ Object

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. 



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# File 'test_bot/step.rb', line 114

def puts_full_output
  return if @output.blank? || @verbose

  puts_in_github_actions_group("Full #{command_short} output") do
    puts @output
  end
end

#puts_github_actions_annotation(message, title, file, line) ⇒ Object

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. 



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# File 'test_bot/step.rb', line 82

def puts_github_actions_annotation(message, title, file, line)
  return unless in_github_actions?

  type = if passed?
    :notice
  elsif ignored?
    :warning
  else
    :error
  end

  annotation = GitHub::Actions::Annotation.new(type, message, title:, file:, line:)
  puts annotation
end

#puts_in_github_actions_group(title) ⇒ Object

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. 



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# File 'test_bot/step.rb', line 97

def puts_in_github_actions_group(title)
  puts "::group::#{title}" if in_github_actions?
  yield
  puts "::endgroup::" if in_github_actions?
end

#puts_result ⇒ Object

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. 



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# File 'test_bot/step.rb', line 74

def puts_result
  puts Formatter.headline(Formatter.error("FAILED"), color: :red) unless passed?
end

#run(dry_run: false, fail_fast: false) ⇒ Object

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. 



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# File 'test_bot/step.rb', line 162

def run(dry_run: false, fail_fast: false)
  @start_time = Time.now

  puts_command
  if dry_run
    @status = :passed
    puts_result
    return
  end

  raise "git should always be called with -C!" if command[0] == "git" && %w[-C clone].exclude?(command[1])

  executable, *args = command

  result = system_command executable, args:,
                                      print_stdout: @verbose,
                                      print_stderr: @verbose,
                                      env:          @env

  @end_time = Time.now

  @status = if result.success?
    :passed
  elsif @ignore_failures
    :ignored
  else
    :failed
  end

  puts_result

  output = result.merged_output

  # ActiveSupport can barf on some Unicode so don't use .present?
  if output.empty?
    puts if @verbose
    exit 1 if fail_fast && failed?
    return
  end

  output.force_encoding(Encoding::UTF_8)
  @output = if output.valid_encoding?
    output
  else
    output.encode!(Encoding::UTF_16, invalid: :replace)
    output.encode!(Encoding::UTF_8)
  end

  return if passed?

  puts_full_output

  unless in_github_actions?
    puts
    exit 1 if fail_fast && failed?
    return
  end

  # TODO: move to extend/os
  # rubocop:todo Homebrew/MoveToExtendOS
  os_string = if OS.mac?
    str = "macOS #{MacOS.version.pretty_name} (#{MacOS.version})"
    str << " on Apple Silicon" if Hardware::CPU.arm?

    str
  else
    "#{OS.kernel_name} #{Hardware::CPU.arch}"
  end
  # rubocop:enable Homebrew/MoveToExtendOS

  @named_args.each do |name|
    next if name.blank?

    path, line = annotation_location(name)
    next if path.blank?

    # GitHub Actions has a 4KB maximum for annotations.
    annotation_output = truncate_output(@output, max_kb: 4, context_lines: 5)

    annotation_title = "`#{command_trimmed}` failed on #{os_string}!"
    file = path.to_s.delete_prefix("#{@repository}/")
    puts_in_github_actions_group("Truncated #{command_short} output") do
      puts_github_actions_annotation(annotation_output, annotation_title, file, line)
    end
  end

  exit 1 if fail_fast && failed?
end

#time ⇒ Float

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.

The execution time of the task. Precondition: Step#run has been called.

Returns:

  • (Float) —

    execution time in seconds



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# File 'test_bot/step.rb', line 110

def time
  end_time - start_time
end

#truncate_output(output, max_kb:, context_lines:) ⇒ Object

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. 



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# File 'test_bot/step.rb', line 136

def truncate_output(output, max_kb:, context_lines:)
  output_lines = output.lines
  first_error_index = output_lines.find_index do |line|
    !line.strip.match?(/^::error( .*)?::/) &&
      (line.match?(/\berror:\s+/i) || line.match?(/\bcmake error\b/i))
  end

  if first_error_index.blank?
    output = []

    # Collect up to max_kb worth of the last lines of output.
    output_lines.reverse_each do |line|
      # Check output.present? so that we at least have _some_ output.
      break if line.length + output.join.length > max_kb && output.present?

      output.unshift line
    end

    output.join
  else
    start = [first_error_index - context_lines, 0].max
    # Let GitHub Actions truncate us to 4KB if needed.
    output_lines[start..].join
  end
end