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module Gem::BUNDLED_GEMS
SINCE = {
"rexml" => "3.0.0",
"rss" => "3.0.0",
"webrick" => "3.0.0",
"matrix" => "3.1.0",
"net-ftp" => "3.1.0",
"net-imap" => "3.1.0",
"net-pop" => "3.1.0",
"net-smtp" => "3.1.0",
"prime" => "3.1.0",
"abbrev" => "3.4.0",
"observer" => "3.4.0",
"getoptlong" => "3.4.0",
"resolv-replace" => "3.4.0",
"rinda" => "3.4.0",
"nkf" => "3.4.0",
"syslog" => "3.4.0",
"drb" => "3.4.0",
"mutex_m" => "3.4.0",
"csv" => "3.4.0",
"base64" => "3.4.0",
"bigdecimal" => "3.4.0",
}.freeze
EXACT = {
"abbrev" => true,
"base64" => true,
"bigdecimal" => true,
"csv" => true,
"drb" => true,
"getoptlong" => true,
"mutex_m" => true,
"nkf" => true, "kconv" => "nkf",
"observer" => true,
"resolv-replace" => true,
"rinda" => true,
"syslog" => true,
}.freeze
PREFIXED = {
"bigdecimal" => true,
"csv" => true,
"drb" => true,
"rinda" => true,
"syslog" => true,
}.freeze
WARNED = {} # unfrozen
conf = ::RbConfig::CONFIG
LIBDIR = (conf["rubylibdir"] + "/").freeze
ARCHDIR = (conf["rubyarchdir"] + "/").freeze
dlext = [conf["DLEXT"], "so"].uniq
DLEXT = /\.#{Regexp.union(dlext)}\z/
LIBEXT = /\.#{Regexp.union("rb", *dlext)}\z/
def self.find_gem(path)
if !path
return
elsif path.start_with?(ARCHDIR)
n = path.delete_prefix(ARCHDIR).sub(DLEXT, "")
elsif path.start_with?(LIBDIR)
n = path.delete_prefix(LIBDIR).chomp(".rb")
else
return
end
EXACT[n] or PREFIXED[n = n[%r[\A[^/]+(?=/)]]] && n
end
def self.warning?(name)
_t, path = $:.resolve_feature_path(name)
return unless gem = find_gem(path)
caller = caller_locations(3, 3).find {|c| c&.absolute_path}
return if find_gem(caller&.absolute_path)
return if WARNED[name]
WARNED[name] = true
if gem == true
gem = name.sub(LIBEXT, "") # assume "foo.rb"/"foo.so" belongs to "foo" gem
elsif gem
return if WARNED[gem]
WARNED[gem] = true
"#{name} is found in #{gem}"
else
return
end + " which #{RUBY_VERSION < SINCE[gem] ? "will be" : "is"} not part of the default gems since Ruby #{SINCE[gem]}"
end
bundled_gems = self
define_method(:find_unresolved_default_spec) do |name|
if msg = bundled_gems.warning?(name)
warn msg, uplevel: 1
end
super(name)
end
freeze
end
Gem.singleton_class.prepend Gem::BUNDLED_GEMS
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