ensure that new index does not break on missing lock file #4134
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- What I did
Follow up to cache index locking. It worked, but fails on new cache because it tries to lock a non-existent file. Instead, it creates a different tmp file (consistent name) as a lock file, uses that, creates the proper
index.json, and then releases the lock.- How I did it
As described
- How to verify it
CI. Also, I tried it manually.
- Description for the changelog
Proper lock handling for new cache.