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Vincent Ambo 3d0280ec03 refactor(tvix/eval): implement clearer mechanism for globals 
The set of things that can leak out of `builtins` into the global
scope is statically known (it is what Nix 2.3 leaks there,
essentially).

This is a mild change over the previous mechanism, where instead at
the point where the `builtins` set is constructed we "lift" the
globals out of there (if they exist).

This way users will still eventually be able to add additional
builtins, HOWEVER they will not be able to leak them into the global
scope.

Note that upstream Nix technically leaks _all_ builtins into the
global scope using the `__*` prefix, but we are trying to avoid this
in Tvix if it is not required in nixpkgs.

Change-Id: Ie9dec2ce33740134f3b2464eba3749f421dd5953
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6258
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-02 12:59:23 +00:00
..
.vscode feat(tvix): set up cargo rust project 2022-01-06 15:38:52 +00:00
docs style: format entire depot with nixpkgs-fmt 2022-01-31 16:11:53 +00:00
eval refactor(tvix/eval): implement clearer mechanism for globals 2022-09-02 12:59:23 +00:00
nix_cli chore(tvix/nix_cli): add default.nix 2022-08-30 11:03:48 +00:00
proto style: format entire depot with nixpkgs-fmt 2022-01-31 16:11:53 +00:00
.envrc feat(tvix): set up cargo rust project 2022-01-06 15:38:52 +00:00
.gitignore feat(tvix): set up cargo rust project 2022-01-06 15:38:52 +00:00
LICENSE chore(tvix): Bootstrap Tvix folder 2021-03-27 00:09:49 +00:00
OWNERS chore(tvix): Bootstrap Tvix folder 2021-03-27 00:09:49 +00:00
README.md chore(tvix): Bootstrap Tvix folder 2021-03-27 00:09:49 +00:00

README.md

Tvix

For more information about Tvix, contact one of the project owners. We are interested in people who would like to help us review designs, brainstorm and describe requirements that we may not yet have considered.

License structure

All code implemented for Tvix is licensed under the GPL-3.0, with the exception of the protocol buffer definitions used for communication between services which are available under a more permissive license (MIT).

The idea behind this structure is that any direct usage of our code (e.g. linking to it, embedding the evaluator, etc.) will fall under the terms of the GPL3, but users are free to implement their own components speaking these protocols under the terms of the MIT license.