Class: PDK::CLI::Exec::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/pdk/cli/exec/command.rb

Direct Known Subclasses

InteractiveCommand

Constant Summary collapse

TEMPFILE_MODE =
File::RDWR | File::BINARY | File::CREAT | File::TRUNC

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*argv) ⇒ Command

Returns a new instance of Command.



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# File 'lib/pdk/cli/exec/command.rb', line 23

def initialize(*argv)
  require 'childprocess'
  require 'tempfile'

  @argv = argv

  @process = ChildProcess.build(*@argv)
  @process.leader = true

  @stdout = Tempfile.new('stdout', mode: TEMPFILE_MODE).tap { |io| io.sync = true }
  @stderr = Tempfile.new('stderr', mode: TEMPFILE_MODE).tap { |io| io.sync = true }

  @process.io.stdout = @stdout
  @process.io.stderr = @stderr

  # Default to running things in the system context.
  @context = :system

  # Extra environment vars to add to base set.
  @environment = {}

  # Register the ExecGroup when running in parallel
  @exec_group = nil
end

Instance Attribute Details

#argvObject (readonly)

Returns the value of attribute argv.



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# File 'lib/pdk/cli/exec/command.rb', line 7

def argv
  @argv
end

#contextObject

Returns the value of attribute context.



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# File 'lib/pdk/cli/exec/command.rb', line 8

def context
  @context
end

#environmentObject

Returns the value of attribute environment.



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# File 'lib/pdk/cli/exec/command.rb', line 10

def environment
  @environment
end

#exec_group=(value) ⇒ Object (writeonly)

Sets the attribute exec_group

Parameters:

  • value

    the value to set the attribute exec_group to.



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# File 'lib/pdk/cli/exec/command.rb', line 11

def exec_group=(value)
  @exec_group = value
end

#spinnerTTY::Spinner? (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

The spinner for this command. This should only be used for testing

Returns:



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# File 'lib/pdk/cli/exec/command.rb', line 19

def spinner
  @spinner
end

#timeoutObject

Returns the value of attribute timeout.



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# File 'lib/pdk/cli/exec/command.rb', line 9

def timeout
  @timeout
end

Instance Method Details

#add_spinner(message, opts = {}) ⇒ Object



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# File 'lib/pdk/cli/exec/command.rb', line 66

def add_spinner(message, opts = {})
  require 'pdk/cli/util'

  return unless PDK::CLI::Util.interactive?
  @success_message = opts.delete(:success)
  @failure_message = opts.delete(:failure)

  require 'pdk/cli/util/spinner'

  @spinner = TTY::Spinner.new("[:spinner] #{message}", opts.merge(PDK::CLI::Util.spinner_opts_for_platform))
end

#execute!Hash[Symbol => Object]

Returns The result from executing the command :stdout => String : The result of STDOUT :stderr => String : The result of STDERR :exit_code => Integer : The exit code from the command :duration => Float : Number seconds it took to execute.

Returns:

  • (Hash[Symbol => Object])

    The result from executing the command :stdout => String : The result of STDOUT :stderr => String : The result of STDERR :exit_code => Integer : The exit code from the command :duration => Float : Number seconds it took to execute



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# File 'lib/pdk/cli/exec/command.rb', line 87

def execute!
  # Start spinning if configured.
  @spinner.auto_spin if @spinner

  # Set env for child process
  resolved_env_for_command.each { |k, v| @process.environment[k] = v }

  if [:module, :pwd].include?(context)
    require 'pdk/util'
    mod_root = PDK::Util.module_root

    unless mod_root
      @spinner.error if @spinner

      raise PDK::CLI::FatalError, _('Current working directory is not part of a module. (No metadata.json was found.)')
    end

    if Dir.pwd == mod_root || context == :pwd
      run_process_in_clean_env!
    else
      Dir.chdir(mod_root) do
        run_process_in_clean_env!
      end
    end
  else
    run_process!
  end

  # Stop spinning when done (if configured).
  stop_spinner

  @stdout.rewind
  @stderr.rewind

  process_data = {
    stdout: @stdout.read,
    stderr: @stderr.read,
    exit_code: @process.exit_code,
    duration: @duration,
  }

  PDK.logger.debug _('STDOUT: %{output}') % {
    output: process_data[:stdout].empty? ? 'N/A' : "\n#{process_data[:stdout]}",
  }
  PDK.logger.debug _('STDERR: %{output}') % {
    output: process_data[:stderr].empty? ? 'N/A' : "\n#{process_data[:stderr]}",
  }

  process_data
ensure
  @stdout.close
  @stderr.close
end

#register_spinner(spinner, opts = {}) ⇒ Object



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# File 'lib/pdk/cli/exec/command.rb', line 56

def register_spinner(spinner, opts = {})
  require 'pdk/cli/util'

  return unless PDK::CLI::Util.interactive?
  @success_message = opts.delete(:success)
  @failure_message = opts.delete(:failure)

  @spinner = spinner
end

#update_environment(additional_env) ⇒ Object



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# File 'lib/pdk/cli/exec/command.rb', line 78

def update_environment(additional_env)
  @environment.merge!(additional_env)
end