[Nix-dev] Re: Bisection in Hydra

[Ludovic Courtès]

>> Currently Hydra may skip a few commits—e.g., because several commits
>> were pushed in a short time frame.  Thus, there may be several commits,
>> perhaps tens of them, between the last successful build and the first
>> failed build.  The idea is that Hydra would automatically perform a
>> dichotomy on those commits it skipped to find the one that introduced
>> the failure.

Oh, there’s the problem that if several build inputs changed, the search
space quickly becomes much larger...

Ludo’.