From e68ec02d05158b0c08c86cf415adc84111ce0fee Mon Sep 17 00:00:00 2001
From: Tristan Ross <tristan.ross@determinate.systems>
Date: Mon, 22 Sep 2025 12:25:23 -0700
Subject: [PATCH] feat: nix_store::store add real_path function

(cherry picked from commit 3e421e39a6adf9eca412368a92c0e459e9b9f628)
---
 rust/nix-store/src/store.rs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/rust/nix-store/src/store.rs b/rust/nix-store/src/store.rs
index 9ac67ed..0a6b2ae 100644
--- a/rust/nix-store/src/store.rs
+++ b/rust/nix-store/src/store.rs
@@ -217,6 +217,21 @@ impl Store {
         }
     }
 
+    #[doc(alias = "nix_store_real_path")]
+    pub fn real_path(&mut self, path: &StorePath) -> Result<String> {
+        let mut r = result_string_init!();
+        unsafe {
+            check_call!(raw::store_real_path(
+                &mut self.context,
+                self.inner.ptr(),
+                path.as_ptr(),
+                Some(callback_get_result_string),
+                callback_get_result_string_data(&mut r)
+            ))
+        }?;
+        r
+    }
+
     pub fn weak_ref(&self) -> StoreWeak {
         StoreWeak {
             inner: Arc::downgrade(&self.inner),
@@ -286,7 +301,9 @@ mod tests {
         let store_path_string =
             format!("{store_dir}/rdd4pnr4x9rqc9wgbibhngv217w2xvxl-bash-interactive-5.2p26");
         let store_path = store.parse_store_path(store_path_string.as_str()).unwrap();
+        let real_store_path = store.real_path(&store_path).unwrap();
         assert_eq!(store_path.name().unwrap(), "bash-interactive-5.2p26");
+        assert_eq!(real_store_path, store_path_string);
     }
 
     #[test]