Re-introduce path: prefix

Author: srid

Cargo.lock

@@ -1,7 +1,7 @@
 [package]
 name = "nix_rs"
 # Important: remember to update the top-level Cargo.toml if updating major version
-version = "1.2.1"
+version = "1.2.2"
 license = "Apache-2.0"
 repository = "https://github.com/juspay/omnix"
 description = "Rust library for interacting with the Nix command"

crates/nix_rs/Cargo.toml

@@ -133,7 +133,7 @@ impl From<PathBuf> for FlakeUrl {
 impl From<&Path> for FlakeUrl {
     fn from(path: &Path) -> Self {
         // We do not use `path:` here, because that will trigger copying to the Nix store.
-        FlakeUrl(format!("{}", path.display()))
+        FlakeUrl(format!("path:{}", path.display()))
     }
 }
 
@@ -252,7 +252,7 @@ mod tests {
         assert_eq!(url.sub_flake_url(".".to_string()), url.clone());
         assert_eq!(
             url.sub_flake_url("sub".to_string()),
-            FlakeUrl("./sub".to_string())
+            FlakeUrl("path:./sub".to_string())
         );
 
         // URI refs

crates/nix_rs/src/flake/url/core.rs

@@ -1,6 +1,6 @@
 [package]
 name = "omnix-cli"
-version = "1.0.3"
+version = "1.0.4"
 edition = "2021"
 default-run = "om"
 # NOTE: The 'description' here will be printed in `om` CLI banner (thanks to `clap` crate)

crates/omnix-cli/Cargo.toml

@@ -3,6 +3,7 @@
 ## 1.0.4 (UNRELEASED)
 
 - `om ci`: Allow impure builds through `impure = true;` setting in `om.yaml` (#445)
+- `nix_rs`: Use `path:` flake URL protocol for local flakes (#448)
 
 ## 1.0.3 (2025-03-17) {#1.0.3}