fix(tvix/eval/io): OsStringExt and std::fs::File import are impure-only r/8175

These are only needed when building with the impure feature enabled.

This removes some warnings when building with --no-default-features.

Change-Id: I3139d9133d4846aeb1b1b5f3830c0d078d047292
Reviewed-on: https://cl.tvl.fyi/c/depot/+/11720
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>

1 files changed, 4 insertions, 2 deletions

diff --git a/tvix/eval/src/io.rs b/tvix/eval/src/io.rs
index f775077af818..58586030aa08 100644
--- a/tvix/eval/src/io.rs
+++ b/tvix/eval/src/io.rs
@@ -16,14 +16,16 @@
 //! how store paths are opened and so on.
 
 use std::{
-    fs::File,
     io,
     path::{Path, PathBuf},
 };
 
-#[cfg(target_family = "unix")]
+#[cfg(all(target_family = "unix", feature = "impure"))]
 use std::os::unix::ffi::OsStringExt;
 
+#[cfg(feature = "impure")]
+use std::fs::File;
+
 /// Types of files as represented by `builtins.readDir` in Nix.
 #[derive(Debug)]
 pub enum FileType {