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[rubygems/rubygems] Do not replace the cache entry if there is already one

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* That way, multiple lookups for the same file always return the same object.

https://github.com/rubygems/rubygems/commit/50a431b6db
This commit is contained in:
Benoit Daloze 2019-06-06 15:54:17 +02:00 committed by Hiroshi SHIBATA
parent 2453d16f5e
commit 05ae2c11fa
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1 changed files with 6 additions and 1 deletions
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lib/rubygems/specification.rb
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@ -1124,8 +1124,13 @@ class Gem::Specification < Gem::BasicSpecification
if Gem::Specification === _spec if Gem::Specification === _spec
_spec.loaded_from = File.expand_path file.to_s _spec.loaded_from = File.expand_path file.to_s
LOAD_CACHE_MUTEX.synchronize do LOAD_CACHE_MUTEX.synchronize do
prev = LOAD_CACHE[file]
if prev
_spec = prev
else
LOAD_CACHE[file] = _spec LOAD_CACHE[file] = _spec
end end
end
return _spec return _spec
end end