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-rw-r--r--tvix/nix-compat/src/store_path/mod.rs14
1 files changed, 10 insertions, 4 deletions
diff --git a/tvix/nix-compat/src/store_path/mod.rs b/tvix/nix-compat/src/store_path/mod.rs
index 836374b80049..c744f1a46afe 100644
--- a/tvix/nix-compat/src/store_path/mod.rs
+++ b/tvix/nix-compat/src/store_path/mod.rs
@@ -29,7 +29,7 @@ pub enum Error {
     #[error("Dash is missing between hash and name")]
     MissingDash,
     #[error("Hash encoding is invalid: {0}")]
-    InvalidHashEncoding(DecodeError),
+    InvalidHashEncoding(#[from] DecodeError),
     #[error("Invalid length")]
     InvalidLength,
     #[error(
@@ -67,6 +67,13 @@ impl StorePath {
     pub fn name(&self) -> &str {
         self.name.as_ref()
     }
+
+    pub fn as_ref(&self) -> StorePathRef<'_> {
+        StorePathRef {
+            digest: self.digest,
+            name: &self.name,
+        }
+    }
 }
 
 impl PartialOrd for StorePath {
@@ -176,7 +183,7 @@ impl Serialize for StorePath {
 /// Like [StorePath], but without a heap allocation for the name.
 /// Used by [StorePath] for parsing.
 ///
-#[derive(Debug, Eq, PartialEq)]
+#[derive(Debug, Eq, PartialEq, Clone, Copy)]
 pub struct StorePathRef<'a> {
     digest: [u8; DIGEST_SIZE],
     name: &'a str,
@@ -237,8 +244,7 @@ impl<'a> StorePathRef<'a> {
             Err(Error::InvalidLength)?
         }
 
-        let digest = nixbase32::decode_fixed(&s[..ENCODED_DIGEST_SIZE])
-            .map_err(Error::InvalidHashEncoding)?;
+        let digest = nixbase32::decode_fixed(&s[..ENCODED_DIGEST_SIZE])?;
 
         if s[ENCODED_DIGEST_SIZE] != b'-' {
             return Err(Error::MissingDash);