Warn for duplicate meta data links when building gems #7213
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Match order of METADATA_LINK_KEYS to order used by rubygems.org in Links model Add missing download_uri key
What was the end-user or developer problem that led to this PR?
This came out of a discussion around the fix to rubygems/rubygems.org#3755
What is your fix for the problem, implemented in this PR?
Per the suggestion from @simi I've added a warning when duplicate links are present in the metadata.
I also noticed the METADATA_LINK_KEYS constant was missing download_uri
Make sure the following tasks are checked