# frozen_string_literal: true
module Bundler
class Settings
class Validator
class Rule
attr_reader :description
def initialize(keys, description, &validate)
@keys = keys
@description = description
@validate = validate
end
def validate!(key, value, settings)
instance_exec(key, value, settings, &@validate)
end
def fail!(key, value, *reasons)
reasons.unshift @description
raise InvalidOption, "Setting `#{key}` to #{value.inspect} failed:\n#{reasons.map {|r| " - #{r}" }.join("\n")}"
end
def set(settings, key, value, *reasons)
hash_key = k(key)
return if settings[hash_key] == value
reasons.unshift @description
Bundler.ui.info "Setting `#{key}` to #{value.inspect}, since #{reasons.join(", ")}"
if value.nil?
settings.delete(hash_key)
else
settings[hash_key] = value
end
end
def k(key)
Bundler.settings.key_for(key)
end
end
def self.rules
@rules ||= Hash.new {|h, k| h[k] = [] }
end
private_class_method :rules
def self.rule(keys, description, &blk)
rule = Rule.new(keys, description, &blk)
keys.each {|k| rules[k] << rule }
end
private_class_method :rule
def self.validate!(key, value, settings)
rules_to_validate = rules[key]
rules_to_validate.each {|rule| rule.validate!(key, value, settings) }
end
rule %w[path path.system], "path and path.system are mutually exclusive" do |key, value, settings|
if key == "path" && value
set(settings, "path.system", nil)
elsif key == "path.system" && value
set(settings, :path, nil)
end
end
rule %w[with without], "a group cannot be in both `with` & `without` simultaneously" do |key, value, settings|
with = settings.fetch(k(:with), "").split(":").map(&:to_sym)
without = settings.fetch(k(:without), "").split(":").map(&:to_sym)
other_key = key == "with" ? :without : :with
other_setting = key == "with" ? without : with
conflicting = with & without
if conflicting.any?
fail!(key, value, "`#{other_key}` is current set to #{other_setting.inspect}", "the `#{conflicting.join("`, `")}` groups conflict")
end
end
rule %w[path], "relative paths are expanded relative to the current working directory" do |key, value, settings|
next if value.nil?
path = Pathname.new(value)
next if !path.relative? || !Bundler.feature_flag.path_relative_to_cwd?
path = path.expand_path
root = begin
Bundler.root
rescue GemfileNotFound
Pathname.pwd.expand_path
end
path = begin
path.relative_path_from(root)
rescue ArgumentError
path
end
set(settings, key, path.to_s)
end
end
end
end
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