Restore similar fsync behavior from old tar code

grk · Jan 11, 2012 · d84090b · d84090b
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commit d84090b
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diff --git a/lib/rubygems/package.rb b/lib/rubygems/package.rb
@@ -253,6 +253,7 @@ def extract_tar_gz io, destination_dir # :nodoc:
 
         open destination, 'wb', entry.header.mode do |out|
           out.write entry.read
+          out.fsync rescue nil # for filesystems without fsync(2)
         end
 
         say destination if Gem.configuration.really_verbose

diff --git a/lib/rubygems/package/f_sync_dir.rb b/lib/rubygems/package/f_sync_dir.rb