Module: Lich::Common::RubyExecutable

Defined in:
documented/common/ruby_executable.rb

Overview

Selects the Ruby executable used to start another Lich process.

Class Method Summary collapse

Class Method Details

.resolve(platform_key: Frontend.platform_key, configured_ruby: RbConfig.ruby) ⇒ String

Prefer the installed windowless Ruby companion on Windows.

Parameters:

  • platform_key (Symbol) (defaults to: Frontend.platform_key) —

    canonical host classification

  • configured_ruby (String) (defaults to: RbConfig.ruby) —

    configured Ruby executable

Returns:

  • (String) —

    executable to use for the child process

Raises:

  • (ArgumentError) —

    when configured_ruby is blank



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# File 'documented/common/ruby_executable.rb', line 18

def self.resolve(platform_key: Frontend.platform_key, configured_ruby: RbConfig.ruby)
  raise ArgumentError, 'configured Ruby executable must not be empty' if configured_ruby.to_s.empty?

  platform_key = Frontend.validate_platform_key!(platform_key)
  return configured_ruby unless platform_key == :windows

  windowed_ruby = configured_ruby.sub(/ruby(?:\.exe)?$/i, 'rubyw.exe')
  return configured_ruby if windowed_ruby == configured_ruby

  File.file?(windowed_ruby) ? windowed_ruby : configured_ruby
rescue SystemCallError
  configured_ruby
end