diff --git a/docs/store.md b/docs/store.md
new file mode 100644
index 0000000..61c3f3a
--- /dev/null
+++ b/docs/store.md
@@ -0,0 +1,13 @@
+
+## Blob object
+
+```
+file_name hash timestamp
+```
+
+## Tree object
+```
+folder_name
+tree hash_path folder_name
+blob hash_path file_name
+```
\ No newline at end of file
diff --git a/src/commands/clone.rs b/src/commands/clone.rs
index 3895935..4ff0768 100644
--- a/src/commands/clone.rs
+++ b/src/commands/clone.rs
@@ -1,7 +1,7 @@
 use std::fs::OpenOptions;
 use std::fs::DirBuilder;
 use std::io::prelude::*;
-use std::io::Cursor;
+use std::io::{self, Cursor};
 use std::path::{Path, PathBuf};
 use clap::Values;
 use regex::Regex;
@@ -10,6 +10,7 @@ use crate::services::api::ApiError;
 use crate::services::list_folders::ListFolders;
 use crate::services::download_files::DownloadFiles;
 use crate::utils::object;
+use crate::utils::path;
 use crate::commands;
 use crate::global::global::{DIR_PATH, set_dir_path};
 
@@ -61,7 +62,6 @@ pub fn clone(remote: Values<'_>) {
 
         // create folder
         if first_iter {
-            // first element how path or last element of given path
             if DirBuilder::new().create(local_path.clone()).is_err() {
                 eprintln!("fatal: directory already exist");
                 // destination path 'path' already exists and is not an empty directory.
@@ -105,6 +105,19 @@ fn get_local_path(p: String, local_p: PathBuf, username: &str, dist_p: &str) ->
     local_p.clone().join(final_p.clone())
 }
 
+fn write_file(path: PathBuf, content: &Vec<u8>, local_p: PathBuf) -> io::Result<()> {
+    let mut f = OpenOptions::new()
+        .write(true)
+        .create(true)
+        .open(path.clone())?;
+
+    f.write_all(&content)?;
+    
+    let relative_p = Path::new(&path).strip_prefix(local_p).unwrap();
+    object::add_blob(relative_p, "tmpdate");
+    Ok(())
+}
+
 fn download_files(domain: &str, local_p: PathBuf, username: &str, dist_p: &str, files: Vec<String>) {
     for file in files {
         let mut url_request = String::from(domain.clone());
@@ -112,14 +125,11 @@ fn download_files(domain: &str, local_p: PathBuf, username: &str, dist_p: &str,
         tokio::runtime::Runtime::new().unwrap().block_on(async {
             match DownloadFiles::new(url_request.as_str()).send_with_err().await {
                 Ok(b) => {
-                    let p_to_save = get_local_path(file, local_p.clone(), username, dist_p);
+                    let p_to_save = get_local_path(file.clone(), local_p.clone(), username, dist_p);
 
-                    let mut f = OpenOptions::new()
-                        .write(true)
-                        .create(true)
-                        .open(p_to_save).unwrap();
-
-                    f.write_all(&b);
+                    if let Err(_) = write_file(p_to_save, &b, local_p.clone()) {
+                        eprintln!("error writing {}", file);
+                    }
                 },
                 Err(ApiError::IncorrectRequest(err)) => {
                     eprintln!("fatal: {}", err.status());
diff --git a/src/commands/push.rs b/src/commands/push.rs
index 326a180..cdb05e1 100644
--- a/src/commands/push.rs
+++ b/src/commands/push.rs
@@ -12,5 +12,7 @@ pub fn push() {
     };
     let (staged_obj, new_obj, del_obj) = status::get_diff();
     
+    // read index
+    // if dir upload dir
 
 }
diff --git a/src/utils/config.rs b/src/utils/config.rs
new file mode 100644
index 0000000..945593b
--- /dev/null
+++ b/src/utils/config.rs
@@ -0,0 +1,6 @@
+
+
+src/utils/object.rs
+todo
+src/utils/head.rs
+src/utils/read.rs
diff --git a/src/utils/object.rs b/src/utils/object.rs
index b065021..c715bca 100644
--- a/src/utils/object.rs
+++ b/src/utils/object.rs
@@ -11,14 +11,14 @@ use std::fs::File;
 /// # Examples
 /// Input: /foo/bar
 /// Result: ("tree hash(/foo/bar) bar", hash(/foo/bar), bar)
-fn parse_path(path: &Path) -> (String, String, String) {
+fn parse_path(path: &Path, is_blob: bool) -> (String, String, String) {
     let file_name = path.file_name().unwrap().to_str().unwrap();
 
     let mut hasher = Sha1::new();
     hasher.input_str(path.clone().to_str().unwrap());
     let hash = hasher.result_str();
 
-    let mut line = String::from("tree");
+    let mut line = String::from(if is_blob { "tree" } else { "blob" });
     line.push_str(" ");
     line.push_str(&hash);
     line.push_str(" ");
@@ -40,7 +40,7 @@ pub fn parse_line(line: String) -> (String, String, String) {
 }
 
 pub fn add_tree(path: &Path) -> io::Result<()> {
-    let (line, hash, name) = parse_path(path.clone());
+    let (line, hash, name) = parse_path(path.clone(), false);
 
     // add tree reference to parent
     if path.iter().count() == 1 {
@@ -55,6 +55,28 @@ pub fn add_tree(path: &Path) -> io::Result<()> {
     Ok(())
 }
 
+pub fn add_blob(path: &Path, date: &str) -> io::Result<()> {
+    let (line, hash, name) = parse_path(path.clone(), true);
+
+    // add tree reference to parent
+    if path.iter().count() == 1 {
+        head::add_line(line)?;
+    } else {
+        add_node(path.parent().unwrap(), &line)?;
+    }
+
+    let mut content = name.clone().to_owned();
+    content.push_str(" ");
+    content.push_str("tmp_hash");
+    content.push_str(" ");
+    content.push_str(date);
+
+    // create blob object
+    create_object(hash, &content)?;
+
+    Ok(())
+}
+
 fn hash_obj(obj: &str) -> (String, String) {
     let mut hasher = Sha1::new();
     hasher.input_str(obj);
@@ -110,12 +132,16 @@ fn add_node(path: &Path, node: &str) -> io::Result<()> {
    
     let (dir, rest) = hash_obj(path.clone().to_str().unwrap());
 
+    dbg!(root.clone());
     root.push(dir);
     if !root.exists() {
         todo!();
     }
     root.push(rest);
 
+    dbg!("create node");
+    dbg!(root.clone());
+    dbg!(node.clone());
     let mut file = OpenOptions::new()
         .read(true)
         .write(true)