Hi,

On 03/06/15 10:27, Ludovic Courtès wrote:

>>> The patch below adds a ‘verifyStore’ RPC with the same signature as the
>>> current LocalStore::verifyStore method.
>>
>> Thanks! I've applied this with the following change to disallow repairing by
>> unprivileged users (since it's a potentially dangerous operation):
>>
>> https://github.com/NixOS/nix/commit/d8ddf994e70f97994e0f1fbd382df93cd071b90f
> 
> Sounds good, although I’m unclear on how things could go wrong:
> repairing can only rebuild or use approved substitutes, right?

Repair may replace store paths non-atomically, which, if interrupted, can leave
the system in a broken state. (E.g. if you try to replace glibc and it fails
half-way through.)

-- 
Eelco Dolstra | LogicBlox, Inc. | http://nixos.org/~eelco/
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