27 lines
646 B
Ruby
27 lines
646 B
Ruby
|
# Psych could be a gem, so try to ask for it
|
||
|
|
begin
|
||
|
|
gem 'psych'
|
||
|
|
rescue LoadError
|
||
|
|
end if defined?(gem)
|
||
|
|
|
||
|
|
# Psych could just be in the stdlib
|
||
|
|
# but it's too late if Syck is already loaded
|
||
|
|
begin
|
||
|
|
require 'psych' unless defined?(Syck)
|
||
|
|
rescue LoadError
|
||
|
|
# Apparently Psych wasn't available. Oh well.
|
||
|
|
end
|
||
|
|
|
||
|
|
# At least load the YAML stdlib, whatever that may be
|
||
|
|
require 'yaml' unless defined?(YAML.dump)
|
||
|
|
|
||
|
|
module Bundler
|
||
|
|
# On encountering invalid YAML,
|
||
|
|
# Psych raises Psych::SyntaxError
|
||
|
|
if defined?(::Psych::SyntaxError)
|
||
|
|
YamlSyntaxError = ::Psych::SyntaxError
|
||
|
|
else # Syck raises ArgumentError
|
||
|
|
YamlSyntaxError = ::ArgumentError
|
||
|
|
end
|
||
|
|
end
|