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require 'thread'
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require 'highline'
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module ForemanMaintain
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class Reporter
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class CLIReporter < Reporter
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# Simple spinner able to keep updating current line
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class Spinner
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def initialize(reporter, interval = 0.1)
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@reporter = reporter
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@mutex = Mutex.new
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@active = false
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@interval = interval
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@spinner_index = 0
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@spinner_chars = %w[| / - \\]
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@current_line = ''
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@puts_needed = false
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start_spinner
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end
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def update(line)
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@mutex.synchronize do
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@current_line = line
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print_current_line
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end
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end
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def active?
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@mutex.synchronize { @active }
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end
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def activate
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@mutex.synchronize { @active = true }
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spin
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end
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def deactivate
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return unless active?
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@mutex.synchronize do
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@active = false
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end
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end
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private
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def start_spinner
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@thread = Thread.new do
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loop do
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spin
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sleep @interval
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end
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end
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end
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def spin
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@mutex.synchronize do
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return unless @active
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print_current_line
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@spinner_index = (@spinner_index + 1) % @spinner_chars.size
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end
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end
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def print_current_line
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@reporter.clear_line
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line = "#{@spinner_chars[@spinner_index]} #{@current_line}"
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@reporter.print(line)
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end
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end
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def initialize(stdout = STDOUT, stdin = STDIN, options = {})
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@stdout = stdout
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@stdin = stdin
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options.validate_options!(:assumeyes)
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@assumeyes = options.fetch(:assumeyes, false)
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@hl = HighLine.new(@stdin, @stdout)
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@max_length = 80
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@line_char = '-'
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@cell_char = '|'
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@spinner = Spinner.new(self)
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@last_line = ''
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end
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def before_scenario_starts(scenario, last_scenario = nil)
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decision = :yes
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if last_scenario
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decision = if last_scenario.steps_with_error(:whitelisted => false).any?
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:quit
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elsif last_scenario.steps_with_warning(:whitelisted => false).any?
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ask_decision("Continue with [#{scenario.description}]")
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else
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:yes
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end
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end
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if decision == :yes
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puts "Running #{scenario.description || scenario.class}"
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hline('=')
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end
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decision
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end
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def before_execution_starts(execution)
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puts(execution_info(execution, ''))
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end
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def print(string)
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new_line_if_needed
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@stdout.print(string)
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@stdout.flush
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record_last_line(string)
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end
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def puts(string)
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# we don't print the new line right away, as we want to be able to put
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# the status label at the end of the last line, if possible.
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# Therefore, we just mark that we need to print the new line next time
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# we are printing something.
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new_line_if_needed
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@stdout.print(string)
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@stdout.flush
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@new_line_next_time = true
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record_last_line(string)
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end
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def ask(message, options = {})
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new_line_if_needed
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options.validate_options!(:password)
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# the answer is confirmed by ENTER which will emit a new line
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@new_line_next_time = false
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@last_line = ''
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# add space at the end as otherwise highline would add new line there :/
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message = "#{message} " unless message =~ /\s\Z/
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answer = @hl.ask(message) { |q| q.echo = false if options[:password] }
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answer.to_s.chomp.downcase if answer
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end
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def new_line_if_needed
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if @new_line_next_time
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@stdout.print("\n")
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@stdout.flush
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@new_line_next_time = false
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end
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end
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def with_spinner(message)
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new_line_if_needed
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@spinner.activate
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@spinner.update(message)
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yield @spinner
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ensure
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@spinner.deactivate
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@new_line_next_time = true
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end
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def after_execution_finishes(execution)
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puts_status(execution.status)
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puts(execution.output) unless execution.output.empty?
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hline
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new_line_if_needed
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end
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def after_scenario_finishes(scenario)
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scenario_failure_message(scenario)
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puts "\n"
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end
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def clear_line
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print "\r" + ' ' * @max_length + "\r"
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end
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def execution_info(execution, text)
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prefix = "#{execution.name}:"
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"#{prefix} #{text}"
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end
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def puts_status(status)
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label_offset = 10
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padding = @max_length - @last_line.to_s.size - label_offset
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if padding < 0
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new_line_if_needed
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padding = @max_length - label_offset
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end
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@stdout.print(' ' * padding + status_label(status))
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@new_line_next_time = true
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end
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def status_label(status)
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mapping = { :success => { :label => '[OK]', :color => :green },
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:fail => { :label => '[FAIL]', :color => :red },
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:running => { :label => '[RUNNING]', :color => :blue },
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:skipped => { :label => '[SKIPPED]', :color => :yellow },
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:warning => { :label => '[WARNING]', :color => :yellow } }
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properties = mapping[status]
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@hl.color(properties[:label], properties[:color], :bold)
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end
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def hline(line_char = @line_char)
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puts line_char * @max_length
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end
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def record_last_line(string)
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@last_line = string.lines.to_a.last
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end
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private
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# rubocop:disable Metrics/MethodLength, Metrics/AbcSize
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def scenario_failure_message(scenario)
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return if scenario.passed?
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message = []
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message << <<-MESSAGE.strip_heredoc
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Scenario [#{scenario.description}] failed.
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MESSAGE
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recommend = []
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steps_with_error = scenario.steps_with_error(:whitelisted => false)
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unless steps_with_error.empty?
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message << <<-MESSAGE.strip_heredoc
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The following steps ended up in failing state:
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#{format_steps(steps_with_error, "\n", 2)}
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MESSAGE
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recommend << <<-MESSAGE.strip_heredoc
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Resolve the failed steps and rerun
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the command. In case the failures are false positives,
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use --whitelist="#{steps_with_error.map(&:label_dashed).join(',')}"
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MESSAGE
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end
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steps_with_warning = scenario.steps_with_warning(:whitelisted => false)
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unless steps_with_warning.empty?
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message << <<-MESSAGE.strip_heredoc
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The following steps ended up in warning state:
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#{format_steps(steps_with_warning, "\n", 2)}
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MESSAGE
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recommend << <<-MESSAGE.strip_heredoc
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The steps in warning state itself might not mean there is an error,
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but it should be reviews to ensure the behavior is expected
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MESSAGE
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end
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puts((message + recommend).join("\n"))
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end
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def format_steps(steps, join_with = ', ', indent = 0)
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steps.map { |s| "#{' ' * indent}[#{s.label_dashed}]" }.join(join_with)
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end
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end
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end
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end
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