Release v0.6.5: Add FileStorage module, EnvVarGuard, and fix bugs

Author: root

CHANGELOG.md

@@ -2,6 +2,26 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.6.5] - 2026-03-16
+### Added
+- **FileStorage Module**: New `FileStorage` struct in `src/core/storage.rs` with full CRUD operations:
+  - `new()`, `ensure_dir()`, `exists()`, `read()`, `write()`, `delete()`
+  - `list_files()`, `copy()`, `move_file()`, `get_size()`
+  - Includes comprehensive unit tests (6 tests)
+- **EnvVarGuard**: Safe pattern for managing environment variables in tests (replaces `unsafe { env::set_var }`)
+
+### Bug Fixes
+- **Export Error Handling**: Fixed missing error return for unsupported export formats in `src/commands/export.rs`
+- **Persistence Tests**: Replaced 3 instances of unsafe env var manipulation with safe `EnvVarGuard` pattern
+
+### Improvements
+- Removed duplicate `derive_key_secure` function in `src/core/crypto.rs`
+- Updated dependencies in Cargo.toml
+
+## [0.6.4] - 2026-03-16
+### Fixed
+- Duplicate code in crypto.rs - removed redundant `derive_key_secure` function
+
 ## [0.6.3] - 2026-03-15
 ### Added
 - **Search Command**: New `naru search <query>` command to find configuration keys and values across environments

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "naru-config"
-version = "0.6.4"
+version = "0.6.5"
 edition = "2021"
 license = "MIT"
 repository = "https://github.com/Luvion1/naru"

Cargo.toml

@@ -14,7 +14,9 @@ pub struct FileLock {
     path: std::path::PathBuf,
 }
 
+#[allow(dead_code)]
 impl FileLock {
+    #[allow(dead_code)]
     pub fn path(&self) -> &std::path::PathBuf {
         &self.path
     }
@@ -82,7 +84,7 @@ mod tests {
 
         // First lock
         let lock1 = FileLock::acquire_exclusive(&target_file).expect("Should acquire first lock");
-        assert!(lock1.path.exists());
+        assert!(lock1.path().exists());
 
         // Second lock attempt in another scope or handled correctly
         // (fs2 lock_exclusive is blocking, so this would block indefinitely in a single thread)

src/core/locking.rs

@@ -1,10 +1,12 @@
 use std::fs;
 use std::path::{Path, PathBuf};
 
+#[allow(dead_code)]
 pub struct FileStorage {
     base_path: PathBuf,
 }
 
+#[allow(dead_code)]
 impl FileStorage {
     pub fn new(base_path: impl Into<PathBuf>) -> Self {
         Self {