Class: Rscons::Script::GlobalDsl

Inherits:
Object
  • Object
show all
Defined in:
lib/rscons/script.rb

Overview

Global DSL methods.

Direct Known Subclasses

ConfigureDsl, Dsl

Instance Method Summary collapse

Instance Method Details

#path_append(path) ⇒ void

This method returns an undefined value.

Append a path component to the PATH variable.

Parameters:

  • path (String) —

    Path to append.



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# File 'lib/rscons/script.rb', line 33

def path_append(path)
  path_set(path_components + [File.expand_path(path)])
end

#path_components ⇒ Array<String>

Return path components from the PATH variable.

Returns:

  • (Array<String>) —

    Path components from the PATH variable.



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# File 'lib/rscons/script.rb', line 13

def path_components
  ENV["PATH"].split(File::PATH_SEPARATOR)
end

#path_prepend(path) ⇒ void

This method returns an undefined value.

Prepend a path component to the PATH variable.

Parameters:

  • path (String) —

    Path to prepend.



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# File 'lib/rscons/script.rb', line 23

def path_prepend(path)
  path_set([File.expand_path(path)] + path_components)
end

#path_set(new_path) ⇒ void

This method returns an undefined value.

Set the PATH variable.

Parameters:

  • new_path (String, Array<String>) —

    New PATH variable value as an array or string.



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# File 'lib/rscons/script.rb', line 43

def path_set(new_path)
  if new_path.is_a?(Array)
    new_path = new_path.join(File::PATH_SEPARATOR)
  end
  ENV["PATH"] = new_path
end

#rscons(path, *args) ⇒ Object

Invoke rscons in a subprocess for a subsidiary Rsconscript file.

Parameters:

  • path (String) —

    Path to subsidiary Rsconscript to execute, or path to subsidiary directory to run rscons in.

  • args (Array<String>) —

    Arguments to pass to rscons subprocess.



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# File 'lib/rscons/script.rb', line 57

def rscons(path, *args)
  rscons_path = File.expand_path($0)
  path = File.expand_path(path)
  if File.directory?(path)
    command = [*args]
    dir = path
  else
    command = ["-f", path, *args]
    dir = File.dirname(path)
  end
  if File.exist?("#{dir}/rscons")
    rscons_path = "#{dir}/rscons"
  end
  command = [rscons_path] + command
  print_dir = dir != "." && dir != File.expand_path(Dir.pwd)
  if ENV["specs"] and not ENV["dist_specs"] # specs
    command = ["ruby", $LOAD_PATH.map {|p| ["-I", p]}, command].flatten # specs
  end # specs
  puts "rscons: Entering directory '#{dir}'" if print_dir
  result = system(*command, chdir: dir)
  puts "rscons: Leaving directory '#{dir}'" if print_dir
  unless result
    raise RsconsError.new("Failed command: " + command.join(" "))
  end
end