a248df69

Allow IFD in Nix CI

There was a bug in Nix CI that caused it to ignore its
`allow-import-from-derivation` setting, and a bug here that set it to false when
it needed to be true.

Both are now fixed.

Agent Instructions

Each run corresponds to one flake attribute. Click a run for its logs and status.

Example: https://nix-ci.com/gh:sellout:flaky/allow-ifd-nix-ci/a248df69267465544679074d05b60f82550eb090/cc61ec33-c491-4bdc-b869-4ff1fc926f24

Wait for suite to complete:

curl --netrc -N https://nix-ci.com/gh:sellout:flaky/allow-ifd-nix-ci/a248df69267465544679074d05b60f82550eb090/wait

This page is also available in machine-friendly formats. Request one with the Accept header:

• curl --netrc -H 'Accept: application/json' https://nix-ci.com/gh:sellout:flaky/allow-ifd-nix-ci/a248df69267465544679074d05b60f82550eb090
• curl --netrc -H 'Accept: text/markdown' https://nix-ci.com/gh:sellout:flaky/allow-ifd-nix-ci/a248df69267465544679074d05b60f82550eb090

For more instructions, fetch https://nix-ci.com/instructions .