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feat(tvix/glue): Init fetcher builtins

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Initialize a new empty builtins module `fetcher_builtins`, which will
contain the builtins which fetch URLs from the internet:

* fetchurl
* fetchGit
* fetchTarball
* fetchTree (maybe? this is experimental)

These builtins are all implemented in CPP nix at:
https://github.com/NixOS/nix/blob/2.20.2/src/libexpr/primops/fetchTree.cc

These builtins are added to the evaluation context using a similar
mechanism to the derivation builtins, and have been added everywhere
derivation builtins were previously being added.

Change-Id: I133b91cc9560f23028621414537f712e7bd8a825
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10974
Autosubmit: aspen <root@gws.fyi>
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
This commit is contained in:
Aspen Smith 2024-02-19 10:17:13 -05:00 • committed by clbot
parent b147452948
commit 0db46dacea
6 changed files with 72 additions and 8 deletions
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6
tvix/glue/src/tests/mod.rs
View file

@ -12,7 +12,10 @@ use tvix_store::pathinfoservice::{MemoryPathInfoService, PathInfoService};
use rstest::rstest;
use crate::{builtins::add_derivation_builtins, tvix_store_io::TvixStoreIO};
use crate::{
builtins::{add_derivation_builtins, add_fetcher_builtins},
tvix_store_io::TvixStoreIO,
};
fn eval_test(code_path: PathBuf, expect_success: bool) {
assert_eq!(
@ -51,6 +54,7 @@ fn eval_test(code_path: PathBuf, expect_success: bool) {
eval.strict = true;
add_derivation_builtins(&mut eval, tvix_store_io.clone());
add_fetcher_builtins(&mut eval, tvix_store_io);
let result = eval.evaluate(code, Some(code_path.clone()));
let failed = match result.value {