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, 0 insertions, 36 deletions

diff --git a/tvix/castore/src/nodes/file_node.rs b/tvix/castore/src/nodes/file_node.rs
deleted file mode 100644
index 73abe21e59b4..000000000000
--- a/tvix/castore/src/nodes/file_node.rs
+++ /dev/null
@@ -1,36 +0,0 @@
-use crate::B3Digest;
-
-/// A FileNode represents a regular or executable file in a Directory or at the root.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct FileNode {
-    /// The blake3 digest of the file contents
-    digest: B3Digest,
-
-    /// The file content size
-    size: u64,
-
-    /// Whether the file is executable
-    executable: bool,
-}
-
-impl FileNode {
-    pub fn new(digest: B3Digest, size: u64, executable: bool) -> Self {
-        Self {
-            digest,
-            size,
-            executable,
-        }
-    }
-
-    pub fn digest(&self) -> &B3Digest {
-        &self.digest
-    }
-
-    pub fn size(&self) -> u64 {
-        self.size
-    }
-
-    pub fn executable(&self) -> bool {
-        self.executable
-    }
-}