简化Blob::restore调用

src/commands/restore.rs

@@ -75,7 +75,7 @@ pub fn restore_worktree(filter: Option<&Vec<PathBuf>>, target_blobs: &Vec<(PathB
             //文件不存在于workdir
             if target_blobs.contains_key(path) {
                 //文件存在于target_commit (deleted)，需要恢复
-                Blob::load(&target_blobs[path]).restore(&path);
+                Blob::restore(&target_blobs[path], &path);
             } else {
                 //在target_commit和workdir中都不存在(非法路径)， 用户输入
                 println!("fatal: pathspec '{}' did not match any files", path.display());
@@ -86,7 +86,7 @@ pub fn restore_worktree(filter: Option<&Vec<PathBuf>>, target_blobs: &Vec<(PathB
                 //文件已修改(modified)
                 let file_hash = util::calc_file_hash(&path); //TODO tree没有存修改时间，所以这里只能用hash判断
                 if file_hash != target_blobs[path] {
-                    Blob::load(&target_blobs[path]).restore(&path);
+                    Blob::restore(&target_blobs[path], &path);
                 }
             } else {
                 //新文件，也分两种情况：1.已跟踪，需要删除 2.未跟踪，保留

src/models/blob.rs

@@ -24,18 +24,22 @@ impl Blob {
     }
 
     /// 通过hash值加载blob（从/objects/）
-    #[allow(dead_code)]
-    pub fn load(hash: &String) -> Blob {
+    pub fn load(hash: &Hash) -> Blob {
         let s = Store::new();
         let data = s.load(hash);
         Blob { hash: hash.clone(), data }
     }
 
-    ///将hash对应的blob还原到file
-    pub fn restore(&self, file: &Path) {
+    ///blob还原到file
+    pub fn restore_to_file(&self, file: &Path) {
         util::write(file, &self.data).unwrap();
     }
 
+    /// 将hash对应的blob还原到file, static方法，对[Blob::restore_to_file]的封装
+    pub fn restore(hash: &Hash, file: &Path) {
+        Blob::load(hash).restore_to_file(file);
+    }
+
     /// 写入文件；优化：文件已存在时不做操作
     pub fn save(&self) {
         let s = Store::new();