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extract: check if DependencyCollector::Compat is defined before monkey-patch

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This commit is contained in:
Caleb Xu 2018-08-26 02:22:09 -04:00
parent ad0f9d603f
commit b1120dd404
1 changed files with 12 additions and 8 deletions
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20
Library/Homebrew/dev-cmd/extract.rb
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@ -44,11 +44,13 @@ def with_monkey_patch
define_method(:parse_symbol_spec) { |*| }
end
DependencyCollector::Compat.class_eval do
if method_defined?(:parse_string_spec)
alias_method :old_parse_string_spec, :parse_string_spec
if defined?(DependencyCollector::Compat)
DependencyCollector::Compat.class_eval do
if method_defined?(:parse_string_spec)
alias_method :old_parse_string_spec, :parse_string_spec
end
define_method(:parse_string_spec) { |*| }
end
define_method(:parse_string_spec) { |*| }
end
yield
@ -81,10 +83,12 @@ ensure
end
end
DependencyCollector::Compat.class_eval do
if method_defined?(:old_parse_string_spec)
alias_method :parse_string_spec, :old_parse_string_spec
undef :old_parse_string_spec
if defined?(DependencyCollector::Compat)
DependencyCollector::Compat.class_eval do
if method_defined?(:old_parse_string_spec)
alias_method :parse_string_spec, :old_parse_string_spec
undef :old_parse_string_spec
end
end
end
end