Re: proposal: make build failures explicit results in the store

[Ludovic Courtès]

address@hidden (Taylan Ulrich "Bayırlı/Kammer") skribis:

> You can run the Guix daemon with the switch --cache-failures and it will
> do pretty much exactly what you want. :-)

Yep.

> (I'm not sure whether it actually puts the failures into /gnu/store in
> some format, so "pretty much.")

Technically, nothing is left behind in /gnu/store, but the database (by
default /var/guix/db/db.sqlite) records the derivation as failed.  You
can use ‘guix gc --clear-failures xxx’ to remove that mark.

> Don't know why this isn't enabled by default.

Because we’re not confident enough about build determinism?  :-)

Ludo’.