feat: provide facilities to perform rewrite-tracking for tree-diffs in plumbing.

This effectively pulls down a higher-level implementation in `gix` to the plumbing
level, to allow it to be used there as well.

Author: Byron

Cargo.lock

@@ -194,8 +194,9 @@ serde_derive = ">=1.0.185"
 
 once_cell = "1.18.0"
 document-features = { version = "0.2.0", optional = true }
-
 [profile.dev.package]
+insta.opt-level = 3
+similar.opt-level = 3
 gix-object = { opt-level = 3 }
 gix-ref = { opt-level = 3 }
 #gix-pack = { opt-level = 3 }

Cargo.toml

@@ -15,7 +15,7 @@ autotests = false
 [features]
 default = ["blob"]
 ## Enable diffing of blobs using imara-diff, which also allows for a generic rewrite tracking implementation.
-blob = ["dep:imara-diff", "dep:gix-filter", "dep:gix-worktree", "dep:gix-path", "dep:gix-fs", "dep:gix-command", "dep:gix-tempfile", "dep:gix-trace"]
+blob = ["dep:imara-diff", "dep:gix-filter", "dep:gix-worktree", "dep:gix-path", "dep:gix-fs", "dep:gix-command", "dep:gix-tempfile", "dep:gix-trace", "dep:gix-traverse"]
 ## Data structures implement `serde::Serialize` and `serde::Deserialize`.
 serde = ["dep:serde", "gix-hash/serde", "gix-object/serde"]
 ## Make it possible to compile to the `wasm32-unknown-unknown` target.
@@ -34,6 +34,7 @@ gix-path = { version = "^0.10.11", path = "../gix-path", optional = true }
 gix-fs = { version = "^0.11.3", path = "../gix-fs", optional = true }
 gix-tempfile = { version = "^14.0.0", path = "../gix-tempfile", optional = true }
 gix-trace = { version = "^0.1.10", path = "../gix-trace", optional = true }
+gix-traverse = { version = "^0.41.0", path = "../gix-traverse", optional = true }
 
 thiserror = "1.0.32"
 imara-diff = { version = "0.1.7", optional = true }

gix-diff/Cargo.toml

@@ -47,6 +47,12 @@ pub mod rewrites;
 pub mod tree;
 pub use tree::function::diff as tree;
 
+///
+#[cfg(feature = "blob")]
+pub mod tree_with_rewrites;
+#[cfg(feature = "blob")]
+pub use tree_with_rewrites::function::diff as tree_with_rewrites;
+
 ///
 #[cfg(feature = "blob")]
 pub mod blob;