Rust port: tree_plus v2 (workspace, golden parity, 55-85x faster)

.github/workflows/microsoft.yml

@@ -3,8 +3,22 @@ name: Microsoft
 on:
   push:
     branches: [ main ]
+    paths-ignore:
+      - 'crates/**'
+      - 'Cargo.toml'
+      - 'Cargo.lock'
+      - 'Justfile'
+      - 'docs/**'
+      - '.github/workflows/rust.yml'
   pull_request:
     branches: [ main ]
+    paths-ignore:
+      - 'crates/**'
+      - 'Cargo.toml'
+      - 'Cargo.lock'
+      - 'Justfile'
+      - 'docs/**'
+      - '.github/workflows/rust.yml'
 
 jobs:
   build:

.github/workflows/rust.yml

@@ -0,0 +1,44 @@
+name: Rust
+
+on:
+  push:
+    branches: [ main, rust-port ]
+    paths:
+      - 'crates/**'
+      - 'Cargo.toml'
+      - 'Cargo.lock'
+      - 'tests/golden/**'
+      - 'tests/more_languages/**'
+      - 'tests/path_to_test/**'
+      - '.github/workflows/rust.yml'
+  pull_request:
+    branches: [ main ]
+    paths:
+      - 'crates/**'
+      - 'Cargo.toml'
+      - 'Cargo.lock'
+      - 'tests/golden/**'
+      - 'tests/more_languages/**'
+      - 'tests/path_to_test/**'
+      - '.github/workflows/rust.yml'
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    steps:
+      # golden parity tests compare bytes; CRLF translation would break them
+      - name: Disable git autocrlf
+        run: git config --global core.autocrlf false
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+      - name: Format
+        run: cargo fmt --all -- --check
+      - name: Clippy
+        run: cargo clippy --all-targets --all-features -- -D warnings
+      - name: Test
+        run: cargo test --workspace --all-features

.github/workflows/unix.yml

@@ -3,8 +3,22 @@ name: Linux & MacOS
 on:
   push:
     branches: [ main ]
+    paths-ignore:
+      - 'crates/**'
+      - 'Cargo.toml'
+      - 'Cargo.lock'
+      - 'Justfile'
+      - 'docs/**'
+      - '.github/workflows/rust.yml'
   pull_request:
     branches: [ main ]
+    paths-ignore:
+      - 'crates/**'
+      - 'Cargo.toml'
+      - 'Cargo.lock'
+      - 'Justfile'
+      - 'docs/**'
+      - '.github/workflows/rust.yml'
 
 jobs:
   # CI

.gitignore

@@ -55,4 +55,6 @@ tests/version_increments/renamed_dry_run_version.py
 .mcp_server.pid
 
 # using uv sometimes we get a build folder
-build/
+build/
+# Rust workspace
+/target/