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 15

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

#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 58

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!Object



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# File 'lib/pdk/cli/exec/command.rb', line 74

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 48

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 70

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