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authorFlorian Klink <flokli@flokli.de>2023-01-06T13·02+0100
committerflokli <flokli@flokli.de>2023-01-06T15·39+0000
commitf73ab76fcedffa8b6892b95e90cbf77e55451b52 (patch)
tree0ddbc9b2c907247f8537e7101d634245cb1de3cf /tvix/store
parent95bec264d55ddc4d1c9f53211c49899d93babd12 (diff)
feat(tvix/store): add NixPath::to_absolute_path r/5611
This provides a function returning a string starting with the store
path prefix, the counterpart of `from_absolute_path`.

Change-Id: I4947f3b00171fe70357c62b3d64dc769b69e7a44
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7774
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
Diffstat (limited to 'tvix/store')
-rw-r--r--tvix/store/src/nixpath.rs11
1 files changed, 11 insertions, 0 deletions
diff --git a/tvix/store/src/nixpath.rs b/tvix/store/src/nixpath.rs
index e7329b527c5c..54b964e83f04 100644
--- a/tvix/store/src/nixpath.rs
+++ b/tvix/store/src/nixpath.rs
@@ -71,6 +71,12 @@ impl NixPath {
         }
     }
 
+    // Converts the NixPath to an absolute store path string.
+    /// That is a string starting with the store prefix (/nix/store)
+    pub fn to_absolute_path(&self) -> String {
+        format!("{}/{}", STORE_DIR, self)
+    }
+
     fn validate_characters(s: &str) -> Result<(), ParseNixPathError> {
         for c in s.chars() {
             if c.is_ascii_alphanumeric()
@@ -170,6 +176,11 @@ mod tests {
         .expect("must parse");
 
         assert_eq!(nixpath_expected, nixpath_actual);
+
+        assert_eq!(
+            "/nix/store/00bgd045z0d4icpbc2yyz4gx48ak44la-net-tools-1.60_p20170221182432",
+            nixpath_actual.to_absolute_path(),
+        );
     }
 
     #[test]