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-rw-r--r--lib/rubygems/source/git.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/rubygems/source/git.rb b/lib/rubygems/source/git.rb
index 8453aa5fd7..fdce03c59a 100644
--- a/lib/rubygems/source/git.rb
+++ b/lib/rubygems/source/git.rb
@@ -90,7 +90,7 @@ class Gem::Source::Git < Gem::Source
success &&=
system @git, 'submodule', 'update',
- '--quiet', '--init', '--recursive' if @need_submodules
+ '--quiet', '--init', '--recursive', out: IO::NULL if @need_submodules
success
end