refactor(tvix/castore): drop {Directory,File,Symlink}Node r/8505

Add a `SymlinkTarget` type to represent validated symlink targets.
With this, no invalid states are representable, so we can make `Node` be
just an enum of all three kind of types, and allow access to these
fields directly.

Change-Id: I20bdd480c8d5e64a827649f303c97023b7e390f2
Reviewed-on: https://cl.tvl.fyi/c/depot/+/12216
Reviewed-by: benjaminedwardwebb <benjaminedwardwebb@gmail.com>
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: Connor Brewster <cbrewster@hey.com>
Tested-by: BuildkiteCI

1 files changed, 6 insertions, 6 deletions

diff --git a/tvix/store/src/import.rs b/tvix/store/src/import.rs
index e279bb4c04c2..f2f38f538604 100644
--- a/tvix/store/src/import.rs
+++ b/tvix/store/src/import.rs
@@ -29,27 +29,27 @@ impl From<CAHash> for nar_info::Ca {
 
 pub fn log_node(name: &[u8], node: &Node, path: &Path) {
     match node {
-        Node::Directory(directory_node) => {
+        Node::Directory { digest, .. } => {
             debug!(
                 path = ?path,
                 name = %name.as_bstr(),
-                digest = %directory_node.digest(),
+                digest = %digest,
                 "import successful",
             )
         }
-        Node::File(file_node) => {
+        Node::File { digest, .. } => {
             debug!(
                 path = ?path,
                 name = %name.as_bstr(),
-                digest = %file_node.digest(),
+                digest = %digest,
                 "import successful"
             )
         }
-        Node::Symlink(symlink_node) => {
+        Node::Symlink { target } => {
             debug!(
                 path = ?path,
                 name = %name.as_bstr(),
-                target = ?symlink_node.target(),
+                target = ?target,
                 "import successful"
             )
         }