Auto merge of #4479 - mwrock:windows, r=segiddins

fixes checksums of rubygems index on windows

`Digest::MD5.file(path)` uses `File.open(path) { |f| f.read }` which will inject `\r\n` style newlines on windows. Using `IO.read(path)` avoids the carriage returns and produces matching checksums on windows.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/bundler/vendor/compact_index_client/lib/compact_index_client/updater.rb b/lib/bundler/vendor/compact_index_client/lib/compact_index_client/updater.rb
index 630318a9be..6142afb7c5 100644
--- a/lib/bundler/vendor/compact_index_client/lib/compact_index_client/updater.rb
+++ b/lib/bundler/vendor/compact_index_client/lib/compact_index_client/updater.rb
@@ -61,7 +61,7 @@ class Bundler::CompactIndexClient
 
     def checksum_for_file(path)
       return nil unless path.file?
-      Digest::MD5.file(path).hexdigest
+      Digest::MD5.hexdigest(IO.read(path))
     end
   end
 end