Hey Chris,
> The behaviour is configurable, but the default missing inputs hook will > submit a new build for a missing input, but only if one doesn't already > exist. Because of this, you don't get the behaviour where some missing > prerequisite that fails to built is built over and over again, every > time you try and build a derivation that uses it. Oh, makes sense, thanks for explaining. I also had a look to Hydra in that matter. They are breaking a "Build" into "BuildSteps" corresponding more or less to the build dependencies, or "Inputs" in the Coordinator. This way they make sure not to submit multiple times a same build to the workers. It means that it is also no longer needed to cache build failures I guess. I think it would be really nice to port this mechanism to Cuirass. Thanks, Mathieu
