Backup trees and removing backups

src/cli/mod.rs

@@ -64,13 +64,13 @@ pub fn run() {
         },
         Arguments::Remove{repo_path, backup_name, inode} => {
             let repo = open_repository(&repo_path);
-            let _backup = get_backup(&repo, &backup_name);
             if let Some(_inode) = inode {
+                let _backup = get_backup(&repo, &backup_name);
                 error!("Removing backup subtrees is not implemented yet");
                 return
             } else {
-                error!("Removing backups is not implemented yet");
-                return
+                repo.delete_backup(&backup_name).unwrap();
+                info!("The backup has been deleted, run vacuum to reclaim space");
             }
         },
         Arguments::Vacuum{repo_path, ..} => {

src/main.rs

@@ -27,10 +27,9 @@ mod cli;
 // TODO: - Load and compare remote bundles to bundle map
 // TODO: - Write backup files there as well
 // TODO: Store list of hashes and hash method in bundle
-// TODO: Remove backups/subtrees
+// TODO: Remove backup subtrees
 // TODO: Recompress & combine bundles
 // TODO: Prune backups (based on age like attic)
-// TODO: Backup files tree structure
 // TODO: Check backup integrity too
 // TODO: Encryption
 // TODO: list --tree

src/repository/backup.rs

@@ -68,10 +68,24 @@ impl Repository {
     }
 
     pub fn save_backup(&mut self, backup: &Backup, name: &str) -> Result<(), RepositoryError> {
-        let mut file = try!(File::create(self.path.join("backups").join(name)));
+        let path = self.path.join("backups").join(name);
+        try!(fs::create_dir_all(path.parent().unwrap()));
+        let mut file = try!(File::create(path));
         Ok(try!(msgpack::encode_to_stream(backup, &mut file)))
     }
 
+    pub fn delete_backup(&self, name: &str) -> Result<(), RepositoryError> {
+        let mut path = self.path.join("backups").join(name);
+        try!(fs::remove_file(&path));
+        loop {
+            path = path.parent().unwrap().to_owned();
+            if fs::remove_dir(&path).is_err() {
+                break
+            }
+        }
+        Ok(())
+    }
+
     pub fn restore_inode_tree<P: AsRef<Path>>(&mut self, inode: Inode, path: P) -> Result<(), RepositoryError> {
         let mut queue = VecDeque::new();
         queue.push_back((path.as_ref().to_owned(), inode));