# 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" or "ruby 3.2.2" capturing version string up to the first space or comment
if /^ # 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)
"? # Optional opening quote
( # Start capturing group
[^\s#"]+ # One or more chars that aren't spaces, #, or quotes
) # End capturing group
"? # Optional closing quote
/x.match(file_content)
$1
else
file_content.strip
end
end
end
end
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