Mounting folders of backups (closes #5)

src/cli/mod.rs

@@ -504,15 +504,19 @@ pub fn run() -> Result<(), ErrorCode> {
         Arguments::Mount{repo_path, backup_name, inode, mount_point} => {
             let mut repo = try!(open_repository(&repo_path));
             let fs = if let Some(backup_name) = backup_name {
-                let backup = try!(get_backup(&repo, &backup_name));
-                if let Some(inode) = inode {
-                    let inode = checked!(repo.get_backup_inode(&backup, inode), "load subpath inode", ErrorCode::LoadInode);
-                    checked!(FuseFilesystem::from_inode(&mut repo, backup, inode), "create fuse filesystem", ErrorCode::FuseMount)
+                if repo.layout.backups_path().join(&backup_name).is_dir() {
+                    checked!(FuseFilesystem::from_repository(&mut repo, Some(&backup_name)), "create fuse filesystem", ErrorCode::FuseMount)
                 } else {
-                    checked!(FuseFilesystem::from_backup(&mut repo, backup), "create fuse filesystem", ErrorCode::FuseMount)
+                    let backup = try!(get_backup(&repo, &backup_name));
+                    if let Some(inode) = inode {
+                        let inode = checked!(repo.get_backup_inode(&backup, inode), "load subpath inode", ErrorCode::LoadInode);
+                        checked!(FuseFilesystem::from_inode(&mut repo, backup, inode), "create fuse filesystem", ErrorCode::FuseMount)
+                    } else {
+                        checked!(FuseFilesystem::from_backup(&mut repo, backup), "create fuse filesystem", ErrorCode::FuseMount)
+                    }
                 }
             } else {
-                checked!(FuseFilesystem::from_repository(&mut repo), "create fuse filesystem", ErrorCode::FuseMount)
+                checked!(FuseFilesystem::from_repository(&mut repo, None), "create fuse filesystem", ErrorCode::FuseMount)
             };
             info!("Mounting the filesystem...");
             info!("Please unmount the filesystem via 'fusermount -u {}' when done.", mount_point);

src/mount.rs

@@ -153,9 +153,13 @@ impl<'a> FuseFilesystem<'a> {
         })
     }
 
-    pub fn from_repository(repository: &'a mut Repository) -> Result<Self, RepositoryError> {
+    pub fn from_repository(repository: &'a mut Repository, path: Option<&str>) -> Result<Self, RepositoryError> {
         let mut backups = vec![];
-        for (name, backup) in try!(repository.get_all_backups()) {
+        let backup_map = match path {
+            Some(path) => try!(repository.get_backups(path)),
+            None => try!(repository.get_all_backups())
+        };
+        for (name, backup) in backup_map {
             let inode = try!(repository.get_inode(&backup.root));
             backups.push((name, backup, inode));
         }