With a dive into the main "update" code, I was able to make "update" fetch pristines at the point of use, and so minimally the ones it really needs... I think.
So far I have only got it running with "restore" functionality disabled, and run the test suite. I get the (ten) expected fails from the lack of "restore", and some more. But not too many more. Just one in fact: FAIL: externals_tests.py 68: check file external recorded info So this is looking promising. Patch attached. That's probably all for today. - Julian
i525-i4892-update-minimal-hydrate-1.patch
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