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authorFlorian Klink <flokli@flokli.de>2024-02-21T13·39+0700
committerflokli <flokli@flokli.de>2024-02-21T13·55+0000
commit771200df7c311fc8b87a0a65a02e22a11d80cd66 (patch)
tree313d820dbfc9839098cd33238092819a1cc434a8 /tvix/glue/src
parent3e93efdc8cb3c6cefaedf8f9f11f1f3f697d079e (diff)
fix(tvix/eval): allow reading non-UTF8 files r/7587
With our values using bstr now, we're not restricted to only reading
files that contain valid UTF-8.

Update our `read_to_string` function to `read_to_end`
(named like `std::io::Read::read_to_end`), and have it return a Vec<u8>.

Change-Id: I87f0291dc855a132689576559c891d66c30ddf2b
Reviewed-on: https://cl.tvl.fyi/c/depot/+/11003
Tested-by: BuildkiteCI
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: Pádraic Ó Mhuiris <patrick.morris.310@gmail.com>
Reviewed-by: flokli <flokli@flokli.de>
Diffstat (limited to 'tvix/glue/src')
-rw-r--r--tvix/glue/src/tvix_io.rs6
-rw-r--r--tvix/glue/src/tvix_store_io.rs10
2 files changed, 8 insertions, 8 deletions
diff --git a/tvix/glue/src/tvix_io.rs b/tvix/glue/src/tvix_io.rs
index 9fb9fbc37590..95146df7287e 100644
--- a/tvix/glue/src/tvix_io.rs
+++ b/tvix/glue/src/tvix_io.rs
@@ -44,7 +44,7 @@ where
         self.actual.as_ref().path_exists(path)
     }
 
-    fn read_to_string(&self, path: &Path) -> io::Result<String> {
+    fn read_to_end(&self, path: &Path) -> io::Result<Vec<u8>> {
         // Bundled version of corepkgs/fetchurl.nix. The counterpart
         // of this happens in [crate::configure_nix_path], where the `nix_path`
         // of the evaluation has `nix=/__corepkgs__` added to it.
@@ -55,10 +55,10 @@ where
         // TODO: this comparison is bad and allocates, we should use
         // the sane path library.
         if path.starts_with("/__corepkgs__/fetchurl.nix") {
-            return Ok(include_str!("fetchurl.nix").to_string());
+            return Ok(include_bytes!("fetchurl.nix").to_vec());
         }
 
-        self.actual.as_ref().read_to_string(path)
+        self.actual.as_ref().read_to_end(path)
     }
 
     fn read_dir(&self, path: &Path) -> io::Result<Vec<(bytes::Bytes, FileType)>> {
diff --git a/tvix/glue/src/tvix_store_io.rs b/tvix/glue/src/tvix_store_io.rs
index 333b04b170c7..c09f0098e43e 100644
--- a/tvix/glue/src/tvix_store_io.rs
+++ b/tvix/glue/src/tvix_store_io.rs
@@ -371,7 +371,7 @@ impl EvalIO for TvixStoreIO {
     }
 
     #[instrument(skip(self), err)]
-    fn read_to_string(&self, path: &Path) -> io::Result<String> {
+    fn read_to_end(&self, path: &Path) -> io::Result<Vec<u8>> {
         if let Ok((store_path, sub_path)) =
             StorePath::from_absolute_path_full(&path.to_string_lossy())
         {
@@ -416,9 +416,9 @@ impl EvalIO for TvixStoreIO {
                                 }
                             };
 
-                            let mut buf = String::new();
+                            let mut buf = Vec::new();
 
-                            reader.read_to_string(&mut buf).await?;
+                            reader.read_to_end(&mut buf).await?;
                             Ok(buf)
                         })
                     }
@@ -430,11 +430,11 @@ impl EvalIO for TvixStoreIO {
             } else {
                 // As tvix-store doesn't manage /nix/store on the filesystem,
                 // we still need to also ask self.std_io here.
-                self.std_io.read_to_string(path)
+                self.std_io.read_to_end(path)
             }
         } else {
             // The store path is no store path, so do regular StdIO.
-            self.std_io.read_to_string(path)
+            self.std_io.read_to_end(path)
         }
     }