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-rw-r--r--tvix/cli/src/nix_compat.rs8
-rw-r--r--tvix/cli/src/tvix_io.rs8
-rw-r--r--tvix/eval/src/io.rs24
-rw-r--r--tvix/store/src/store_io.rs12
4 files changed, 26 insertions, 26 deletions
diff --git a/tvix/cli/src/nix_compat.rs b/tvix/cli/src/nix_compat.rs
index 0da3aeb21262..bda238983839 100644
--- a/tvix/cli/src/nix_compat.rs
+++ b/tvix/cli/src/nix_compat.rs
@@ -34,7 +34,7 @@ impl EvalIO for NixCompatIO {
     }
 
     // Pass path imports through to `nix-store --add`
-    fn import_path(&mut self, path: &Path) -> Result<PathBuf, io::Error> {
+    fn import_path(&self, path: &Path) -> Result<PathBuf, io::Error> {
         let path = path.to_owned();
         if let Some(path) = self
             .import_cache
@@ -56,7 +56,7 @@ impl EvalIO for NixCompatIO {
     }
 
     // Pass the rest of the functions through to `Self::underlying`
-    fn path_exists(&mut self, path: &Path) -> Result<bool, io::Error> {
+    fn path_exists(&self, path: &Path) -> Result<bool, io::Error> {
         if path.starts_with("/__corepkgs__") {
             return Ok(true);
         }
@@ -64,7 +64,7 @@ impl EvalIO for NixCompatIO {
         self.underlying.path_exists(path)
     }
 
-    fn read_to_string(&mut self, path: &Path) -> Result<String, io::Error> {
+    fn read_to_string(&self, path: &Path) -> Result<String, io::Error> {
         // Bundled version of corepkgs/fetchurl.nix. This workaround
         // is similar to what cppnix does for passing the path
         // through.
@@ -78,7 +78,7 @@ impl EvalIO for NixCompatIO {
         self.underlying.read_to_string(path)
     }
 
-    fn read_dir(&mut self, path: &Path) -> Result<Vec<(SmolStr, FileType)>, io::Error> {
+    fn read_dir(&self, path: &Path) -> Result<Vec<(SmolStr, FileType)>, io::Error> {
         self.underlying.read_dir(path)
     }
 }
diff --git a/tvix/cli/src/tvix_io.rs b/tvix/cli/src/tvix_io.rs
index cc3278605572..8ca660f87b05 100644
--- a/tvix/cli/src/tvix_io.rs
+++ b/tvix/cli/src/tvix_io.rs
@@ -39,7 +39,7 @@ impl<T: EvalIO> EvalIO for TvixIO<T> {
         self.actual.store_dir()
     }
 
-    fn import_path(&mut self, path: &Path) -> Result<PathBuf, io::Error> {
+    fn import_path(&self, path: &Path) -> Result<PathBuf, io::Error> {
         let imported_path = self.actual.import_path(path)?;
         self.known_paths
             .borrow_mut()
@@ -48,7 +48,7 @@ impl<T: EvalIO> EvalIO for TvixIO<T> {
         Ok(imported_path)
     }
 
-    fn path_exists(&mut self, path: &Path) -> Result<bool, io::Error> {
+    fn path_exists(&self, path: &Path) -> Result<bool, io::Error> {
         if path.starts_with("/__corepkgs__") {
             return Ok(true);
         }
@@ -56,7 +56,7 @@ impl<T: EvalIO> EvalIO for TvixIO<T> {
         self.actual.path_exists(path)
     }
 
-    fn read_to_string(&mut self, path: &Path) -> Result<String, io::Error> {
+    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.
@@ -73,7 +73,7 @@ impl<T: EvalIO> EvalIO for TvixIO<T> {
         self.actual.read_to_string(path)
     }
 
-    fn read_dir(&mut self, path: &Path) -> Result<Vec<(SmolStr, FileType)>, io::Error> {
+    fn read_dir(&self, path: &Path) -> Result<Vec<(SmolStr, FileType)>, io::Error> {
         self.actual.read_dir(path)
     }
 }
diff --git a/tvix/eval/src/io.rs b/tvix/eval/src/io.rs
index f14da723db90..708c36153c47 100644
--- a/tvix/eval/src/io.rs
+++ b/tvix/eval/src/io.rs
@@ -33,14 +33,14 @@ pub enum FileType {
 /// Defines how filesystem interaction occurs inside of tvix-eval.
 pub trait EvalIO {
     /// Verify whether the file at the specified path exists.
-    fn path_exists(&mut self, path: &Path) -> Result<bool, io::Error>;
+    fn path_exists(&self, path: &Path) -> Result<bool, io::Error>;
 
     /// Read the file at the specified path to a string.
-    fn read_to_string(&mut self, path: &Path) -> Result<String, io::Error>;
+    fn read_to_string(&self, path: &Path) -> Result<String, io::Error>;
 
     /// Read the directory at the specified path and return the names
     /// of its entries associated with their [`FileType`].
-    fn read_dir(&mut self, path: &Path) -> Result<Vec<(SmolStr, FileType)>, io::Error>;
+    fn read_dir(&self, path: &Path) -> Result<Vec<(SmolStr, FileType)>, io::Error>;
 
     /// Import the given path. What this means depends on the
     /// implementation, for example for a `std::io`-based
@@ -49,7 +49,7 @@ pub trait EvalIO {
     ///
     /// This is primarily used in the context of things like coercing
     /// a local path to a string, or builtins like `path`.
-    fn import_path(&mut self, path: &Path) -> Result<PathBuf, io::Error>;
+    fn import_path(&self, path: &Path) -> Result<PathBuf, io::Error>;
 
     /// Returns the root of the store directory, if such a thing
     /// exists in the evaluation context.
@@ -65,15 +65,15 @@ pub struct StdIO;
 
 #[cfg(feature = "impure")]
 impl EvalIO for StdIO {
-    fn path_exists(&mut self, path: &Path) -> Result<bool, io::Error> {
+    fn path_exists(&self, path: &Path) -> Result<bool, io::Error> {
         path.try_exists()
     }
 
-    fn read_to_string(&mut self, path: &Path) -> Result<String, io::Error> {
+    fn read_to_string(&self, path: &Path) -> Result<String, io::Error> {
         std::fs::read_to_string(&path)
     }
 
-    fn read_dir(&mut self, path: &Path) -> Result<Vec<(SmolStr, FileType)>, io::Error> {
+    fn read_dir(&self, path: &Path) -> Result<Vec<(SmolStr, FileType)>, io::Error> {
         let mut result = vec![];
 
         for entry in path.read_dir()? {
@@ -98,7 +98,7 @@ impl EvalIO for StdIO {
 
     // this is a no-op for `std::io`, as the user can already refer to
     // the path directly
-    fn import_path(&mut self, path: &Path) -> Result<PathBuf, io::Error> {
+    fn import_path(&self, path: &Path) -> Result<PathBuf, io::Error> {
         Ok(path.to_path_buf())
     }
 }
@@ -108,28 +108,28 @@ impl EvalIO for StdIO {
 pub struct DummyIO;
 
 impl EvalIO for DummyIO {
-    fn path_exists(&mut self, _: &Path) -> Result<bool, io::Error> {
+    fn path_exists(&self, _: &Path) -> Result<bool, io::Error> {
         Err(io::Error::new(
             io::ErrorKind::Unsupported,
             "I/O methods are not implemented in DummyIO",
         ))
     }
 
-    fn read_to_string(&mut self, _: &Path) -> Result<String, io::Error> {
+    fn read_to_string(&self, _: &Path) -> Result<String, io::Error> {
         Err(io::Error::new(
             io::ErrorKind::Unsupported,
             "I/O methods are not implemented in DummyIO",
         ))
     }
 
-    fn read_dir(&mut self, _: &Path) -> Result<Vec<(SmolStr, FileType)>, io::Error> {
+    fn read_dir(&self, _: &Path) -> Result<Vec<(SmolStr, FileType)>, io::Error> {
         Err(io::Error::new(
             io::ErrorKind::Unsupported,
             "I/O methods are not implemented in DummyIO",
         ))
     }
 
-    fn import_path(&mut self, _: &Path) -> Result<PathBuf, io::Error> {
+    fn import_path(&self, _: &Path) -> Result<PathBuf, io::Error> {
         Err(io::Error::new(
             io::ErrorKind::Unsupported,
             "I/O methods are not implemented in DummyIO",
diff --git a/tvix/store/src/store_io.rs b/tvix/store/src/store_io.rs
index a7467362d334..ef18d9312868 100644
--- a/tvix/store/src/store_io.rs
+++ b/tvix/store/src/store_io.rs
@@ -65,7 +65,7 @@ impl<BS: BlobService, DS: DirectoryService, PS: PathInfoService, NCS: NARCalcula
     /// return the [crate::proto::node::Node] specified by `sub_path`.
     #[instrument(skip(self), ret, err)]
     fn store_path_to_root_node(
-        &mut self,
+        &self,
         store_path: &StorePath,
         sub_path: &Path,
     ) -> Result<Option<crate::proto::node::Node>, crate::Error> {
@@ -106,7 +106,7 @@ impl<BS: BlobService, DS: DirectoryService, PS: PathInfoService, NCS: NARCalcula
     /// care about the [PathInfo].
     #[instrument(skip(self), ret, err)]
     pub fn import_path_with_pathinfo(
-        &mut self,
+        &self,
         path: &std::path::Path,
     ) -> Result<crate::proto::PathInfo, io::Error> {
         // Call [import::ingest_path], which will walk over the given path and return a root_node.
@@ -191,7 +191,7 @@ impl<
     > EvalIO for TvixStoreIO<BS, DS, PS, NCS>
 {
     #[instrument(skip(self), ret, err)]
-    fn path_exists(&mut self, path: &Path) -> Result<bool, io::Error> {
+    fn path_exists(&self, path: &Path) -> Result<bool, io::Error> {
         if let Ok((store_path, sub_path)) =
             StorePath::from_absolute_path_full(&path.to_string_lossy())
         {
@@ -212,7 +212,7 @@ impl<
     }
 
     #[instrument(skip(self), ret, err)]
-    fn read_to_string(&mut self, path: &Path) -> Result<String, io::Error> {
+    fn read_to_string(&self, path: &Path) -> Result<String, io::Error> {
         if let Ok((store_path, sub_path)) =
             StorePath::from_absolute_path_full(&path.to_string_lossy())
         {
@@ -275,7 +275,7 @@ impl<
     }
 
     #[instrument(skip(self), ret, err)]
-    fn read_dir(&mut self, path: &Path) -> Result<Vec<(SmolStr, FileType)>, io::Error> {
+    fn read_dir(&self, path: &Path) -> Result<Vec<(SmolStr, FileType)>, io::Error> {
         if let Ok((store_path, sub_path)) =
             StorePath::from_absolute_path_full(&path.to_string_lossy())
         {
@@ -344,7 +344,7 @@ impl<
     }
 
     #[instrument(skip(self), ret, err)]
-    fn import_path(&mut self, path: &std::path::Path) -> Result<PathBuf, std::io::Error> {
+    fn import_path(&self, path: &std::path::Path) -> Result<PathBuf, std::io::Error> {
         let path_info = self.import_path_with_pathinfo(path)?;
 
         // from the [PathInfo], extract the store path (as string).