diff options
| author | Florian Klink <flokli@flokli.de> | 2023-11-03T12·03+0200 |
|---|---|---|
| committer | clbot <clbot@tvl.fyi> | 2023-11-04T15·18+0000 |
| commit | a72a1044c29ce41973e0cf81bcee04923f21995f (patch) | |
| tree | fd4025cafbbc0e55d8c3256eff599f98ff543dbb /tvix/glue/src | |
| parent | 619f1fe88d009e228cfd348da12b98f6a4533052 (diff) | |
refactor(tvix/glue): move nix_path handling to helper in tvix-glue r/6938
Change-Id: I2327560c4cf0d3f90e253e3c2f47cb29c762461e Reviewed-on: https://cl.tvl.fyi/c/depot/+/9910 Reviewed-by: raitobezarius <tvl@lahfa.xyz> Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
Diffstat (limited to 'tvix/glue/src')
| -rw-r--r-- | tvix/glue/src/lib.rs | 10 | ||||
| -rw-r--r-- | tvix/glue/src/tvix_io.rs | 4 |
2 files changed, 12 insertions, 2 deletions
diff --git a/tvix/glue/src/lib.rs b/tvix/glue/src/lib.rs index acb81d31445f..760e730217ee 100644 --- a/tvix/glue/src/lib.rs +++ b/tvix/glue/src/lib.rs @@ -26,3 +26,13 @@ pub fn add_derivation_builtins( eval.src_builtins .push(("derivation", include_str!("derivation.nix"))); } + +/// Tell the Evaluator to resolve <nix> to the path `/__corepkgs__`, +/// which has special handling in [tvix_io::TvixIO]. +/// This is used in nixpkgs to import `fetchurl.nix` from `<nix>`. +pub fn configure_nix_path(eval: &mut tvix_eval::Evaluation, nix_search_path: &Option<String>) { + eval.nix_path = nix_search_path + .as_ref() + .map(|p| format!("nix=/__corepkgs__:{}", p)) + .or_else(|| Some("nix=/__corepkgs__".to_string())); +} diff --git a/tvix/glue/src/tvix_io.rs b/tvix/glue/src/tvix_io.rs index caadbeb5e663..09e1417a2157 100644 --- a/tvix/glue/src/tvix_io.rs +++ b/tvix/glue/src/tvix_io.rs @@ -59,8 +59,8 @@ impl<T: EvalIO> EvalIO for TvixIO<T> { fn read_to_string(&self, path: &Path) -> Result<String, io::Error> { // Bundled version of corepkgs/fetchurl.nix. The counterpart - // of this happens in `main`, where the `nix_path` of the - // evaluation has `nix=/__corepkgs__` added to it. + // of this happens in [crate::configure_nix_path], where the `nix_path` + // of the evaluation has `nix=/__corepkgs__` added to it. // // This workaround is similar to what cppnix does for passing // the path through. |