# frozen_string_literal: true module Bundler module RubyDsl def ruby(*ruby_version) options = ruby_version.pop if ruby_version.last.is_a?(Hash) ruby_version.flatten! if options patchlevel = options[:patchlevel] engine = options[:engine] engine_version = options[:engine_version] raise GemfileError, "Please define :engine_version" if engine && engine_version.nil? raise GemfileError, "Please define :engine" if engine_version && engine.nil? if options[:file] raise GemfileError, "Do not pass version argument when using :file option" unless ruby_version.empty? ruby_version << normalize_ruby_file(options[:file]) end if engine == "ruby" && engine_version && ruby_version != Array(engine_version) raise GemfileEvalError, "ruby_version must match the :engine_version for MRI" end end @ruby_version = RubyVersion.new(ruby_version, patchlevel, engine, engine_version) end # Support the various file formats found in .ruby-version files. # # 3.2.2 # ruby-3.2.2 # # Also supports .tool-versions files for asdf. Lines not starting with "ruby" are ignored. # # ruby 2.5.1 # comment is ignored # ruby 2.5.1# close comment and extra spaces doesn't confuse # # Intentionally does not support `3.2.1@gemset` since rvm recommends using .ruby-gemset instead # # Loads the file relative to the dirname of the Gemfile itself. def normalize_ruby_file(filename) file_content = Bundler.read_file(gemfile.dirname.join(filename)) # match "ruby-3.2.2", ruby = "3.2.2", ruby = '3.2.2' or "ruby 3.2.2" capturing version string up to the first space or comment version_match = /^ # Start of line ruby # Literal "ruby" [\s-]* # Optional whitespace or hyphens (for "ruby-3.2.2" format) (?:=\s*)? # Optional equals sign with whitespace (for ruby = "3.2.2" format) (?: "([^"]+)" # Double quoted version | '([^']+)' # Single quoted version | ([^\s#"']+) # Unquoted version ) /x.match(file_content) if version_match version_match[1] || version_match[2] || version_match[3] else file_content.strip end rescue Errno::ENOENT raise GemfileError, "Could not find version file #{filename}" end end end