diff --git a/setup_main_tex_file.py b/setup_main_tex_file.py
index 4d9b5d2..be8b295 100755
--- a/setup_main_tex_file.py
+++ b/setup_main_tex_file.py
@@ -57,6 +57,53 @@ def normalize_branch(args):
 
 
 def git_integration(func):
+
+    def commit_into_master(paths, repo, comment):
+        author = repo.default_signature
+        committer = author
+        repo.checkout('refs/heads/master')
+        index = repo.index
+        for fp in paths:
+            index.add(fp)
+        index.write()
+        tree = index.write_tree()
+        master_ref = repo.references['refs/heads/master']
+        parents = [master_ref.peel().hex]
+        master_head = repo.create_commit('refs/heads/master', 
+                                         author,
+                                         committer,
+                                         comment,
+                                         tree,
+                                         parents)
+        return master_head
+
+    def commit_into_branch(paths, branch, repo, comment):
+        author = repo.default_signature
+        committer = author
+        repo.checkout(f'refs/heads/{branch}')
+        index = repo.index
+        for fp in paths:
+            index.add(fp)
+        index.write()
+        tree = index.write_tree()
+        branch_ref = repo.references[f'refs/heads/{branch}']
+        parents = [branch_ref.peel().hex]
+        branch_commit = repo.create_commit(f'refs/heads/{branch}', 
+                                           author,
+                                           committer,
+                                           comment,
+                                           tree,
+                                           parents)
+        return branch_commit
+
+    def merge_master_into_branch(master_commit, branch, repo):
+        author = repo.default_signature
+        committer = author
+        repo.checkout(f'refs/heads/{branch}')
+        repo.merge(master_commit)
+        tree = repo.index.write_tree()
+        merge_commit = repo.create_commit('HEAD', author, committer, 'Merge master into xelatex/*', tree, [repo.head.target, master_commit])
+
     def inner(args):
         try:
             repo = pygit2.Repository('./')
@@ -78,8 +125,6 @@ def git_integration(func):
             master_add_paths = [fp for fp in repo_status
                     if (fp.startswith('content/') or fp.startswith('slides/')) and repo_status[fp] in to_add_status]
 
-            author = repo.default_signature
-            committer = author
             
             if func.__name__ == 'init':
                 comment = 'Initialisation de la formation'
@@ -90,43 +135,24 @@ def git_integration(func):
             else:
                 comment = 'Travail sur la formation'
 
-            if master_add_paths:
-                repo.checkout('refs/heads/master')
-                index = repo.index
-                for fp in master_add_paths:
-                    index.add(fp)
-                index.write()
-                tree = index.write_tree()
-                master_ref = repo.references['refs/heads/master']
-                parents = [master_ref.peel().hex]
-                master_head = repo.create_commit('refs/heads/master', 
-                                                 author,
-                                                 committer,
-                                                 comment,
-                                                 tree,
-                                                 parents)
-            else:
-                master_head = repo.revparse_single('refs/heads/master')
+            if repo.branches['master'].is_checked_out():
+                if master_add_paths:
+                    master_head = commit_into_master(master_add_paths, repo, comment)
+                else:
+                    master_head = repo.revparse_single('refs/heads/master')
+                if branch_add_paths:
+                    commit_into_branch(branch_add_paths, branch_name, repo, comment)
+            elif repo.branches[branch_name].is_checked_out():
+                if branch_add_paths:
+                    commit_into_branch(branch_add_paths, branch_name, repo, comment)
+                if master_add_paths:
+                    master_head = commit_into_master(master_add_paths, repo, comment)
+                else:
+                    master_head = repo.revparse_single('refs/heads/master')
+            if master_head not in repo.walk(branch_ref.target):
+                merge_master_into_branch(master_head, branch_name, repo)
+
 
-            if branch_add_paths:
-                repo.checkout(f'refs/heads/{branch_name}')
-                index = repo.index
-                for fp in branch_add_paths:
-                    index.add(fp)
-                index.write()
-                tree = index.write_tree()
-                branch_ref = repo.references[f'refs/heads/{branch_name}']
-                parents = [branch_ref.peel().hex]
-                repo.create_commit(f'refs/heads/{branch_name}', 
-                        author,
-                        committer,
-                        comment,
-                        tree,
-                        parents)
-                if master_head not in repo.walk(branch_ref.target):
-                    repo.merge(master_head)
-                    tree = repo.index.write_tree()
-                    merge_commit = repo.create_commit('HEAD', author, committer, 'Merge master into xelatex/*', tree, [repo.head.target, master_head])
 
 
     return inner