diff --git a/src/gitcommit.rs b/src/gitcommit.rs
index 2a2f400..8838bbb 100644
--- a/src/gitcommit.rs
+++ b/src/gitcommit.rs
@@ -1,20 +1,30 @@
 use std::fmt::{Display, Formatter};
 
 #[derive(Debug)]
-pub struct GitCommit (String);
+pub enum GitRef{
+    Commit(String),
+    Branch(String),
+}
 
-impl GitCommit {
-    pub fn new(s : String) -> GitCommit {
-        GitCommit(s)
+impl GitRef {
+    pub fn new_commit(s : String) -> GitRef {
+        GitRef::Commit(s)
     }
 
-    pub fn value(&self) -> &String {
-        &self.0
+    pub fn new_branch(s : String) -> GitRef {
+        GitRef::Branch(s)
+    }
+
+    fn value(&self) -> &String {
+        match self {
+            GitRef::Commit(s) => s,
+            GitRef::Branch(s) => s
+        }
     }
 }
 
-impl Display for GitCommit {
+impl Display for GitRef {
     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
-        write!(f, "{}", self.0)
+        write!(f, "{}", self.value())
     }
 }
diff --git a/src/gitrepo.rs b/src/gitrepo.rs
index ac19e77..7b26989 100644
--- a/src/gitrepo.rs
+++ b/src/gitrepo.rs
@@ -1,9 +1,9 @@
 use std::ops::Add;
 
-use git2::{ObjectType, Oid, Repository};
+use git2::{ObjectType, Oid, Repository, BranchType};
 
 use crate::git::GitBrowseEntry;
-use crate::gitcommit::GitCommit;
+use crate::gitcommit::GitRef;
 use crate::gitdir::GitDir;
 use crate::gitfile::GitFile;
 use std::path::PathBuf;
@@ -19,9 +19,18 @@ impl GitRepo {
         Repository::open(path).map(|git2| GitRepo{git2})
     }
 
-    pub fn get_root_tree<'a, 'b> (&'a self, commit : &'b GitCommit) -> Result<GitDir<'a>, git2::Error> {
-        let oid = Oid::from_str(commit.value().as_str())?;
-        let commit = self.git2.find_commit(oid)?;
+    pub fn get_root_tree<'a, 'b> (&'a self, commit : &'b GitRef) -> Result<GitDir<'a>, git2::Error> {
+        let commit = match commit {
+            GitRef::Commit(commit) => {
+                let oid = Oid::from_str(commit.as_str())?;
+                self.git2.find_commit(oid)?
+
+            }
+            GitRef::Branch(branch) => {
+                let branch = self.git2.find_branch(branch.as_str(), BranchType::Local)?;
+                branch.get().peel_to_commit()?
+            }
+        };
         let tree = commit.tree()?;
         let fullname = PathBuf::from("/");
         Ok(GitDir { fullname, tree })
diff --git a/src/main.rs b/src/main.rs
index 231edc5..472925b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -27,7 +27,7 @@ use serde::Deserialize;
 use tokio::io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader};
 use tokio::process::{Child, ChildStdout, Command};
 
-use gitcommit::GitCommit;
+use gitcommit::GitRef;
 use gitdir::GitDir;
 use gitrepo::GitRepo;
 
@@ -124,6 +124,7 @@ async fn hello_auth(req : HttpRequest) -> impl Responder {
 struct GitWebQ {
     commit: Option<String>,
     path: Option<String>,
+    branch: Option<String>,
 }
 
 
@@ -148,52 +149,30 @@ async fn chunk() -> HttpResponse {
 #[get("/git/{owner}/{repo}.git")]
 async fn git_main(
     web::Path((ownername, reponame)): web::Path<(String, String)>,
-    web::Query(GitWebQ{commit : commitnameopt, path : pathopt}) : web::Query<GitWebQ>,
+    web::Query(GitWebQ{commit : commitnameopt, path : pathopt, branch : branchopt}) : web::Query<GitWebQ>,
     gitust : web::Data<Gitust>
 ) -> Result<GitMainTemplate<Vec<Entry>, Vec<(String, String)>>, error::Error> {
-    let commitname = match commitnameopt {
-        None => {"master".to_string()}
-        Some(s) => {s}
-    };
     let rootname = match pathopt {
         None => {"/".to_string()}
         Some(s) => {s}
     };
-    let commit = GitCommit::new(commitname);
+    let commit = match commitnameopt {
+        None => {match branchopt {
+            None => {GitRef::Branch("master".to_string())}
+            Some(s) => {GitRef::Branch(s)}
+        }}
+        Some(s) => {GitRef::Commit(s)}
+    };
     let owner = Owner { name : ownername};
     let repo = Repository {name : reponame, owner};
     let user = User { name : "Hubert".to_string()};
-    let path = rootname.split("/").map_accum("/git/".to_string() + &repo.owner.name + "/" + &repo.name + "/" + commit.value(), |str_ref, b| {
+    // il faut ajouter le commit/branch dans la query
+    let path = rootname.split("/").map_accum("/git/".to_string() + &repo.owner.name + "/" + &repo.name, |str_ref, b| {
         let href = b + "/" + str_ref;
         ((str_ref.to_string(), href.clone()), href)
     }).collect();
     let gitrepo = GitRepo::new(format!("{}/{}/{}.git", &gitust.repo_root_path, &repo.owner.name, &repo.name).as_str())?;
-    // let repogit = match git2::Repository::open(format!("{}/{}/{}.git", &gitust.repo_root_path, &repo.owner.name, &repo.name)) {
-    //     Ok(repo) => repo,
-    //     Err(e) => panic!("failed to open: {}", e),
-    // };
-    // let head = match repogit.head() {
-    //     Ok(head) => head,
-    //     Err(e) => panic!("failed to get head: {}", e)
-    // };
-    // let commitgit = match head.peel_to_commit() {
-    //     Ok(commit) => commit,
-    //     Err(e) => panic!("failed to get commit: {}", e)
-    // };
-    // let tree = match commitgit.tree() {
-    //     Ok(tree) => tree,
-    //     Err(e) => panic!("failed to get tree: {}", e)
-    // };
-    // for entry in tree.iter() {
-    //     println!("{:?}", entry.name());
-    //     println!("{:?}", entry.kind());
-    //     if entry.kind() == Some(ObjectType::Tree) {
-    //         let subtree = repogit.find_tree(entry.id()).expect("this pust be a tree");
-    //         println!("{:?}", subtree);
-    //     }
-    // }
     let root = gitrepo.get_root_tree(&commit)?;
-    // let root = GitBrowseDir::new(rootname);
     let browse = gitrepo.browse(&root).await?;
     let mut entries : Vec<Entry> = Vec::new();
     for entry in browse {