diff --git a/__marimo__/session/github_crear_repo.py.json b/__marimo__/session/github_crear_repo.py.json
index ddef1e7..2122715 100644
--- a/__marimo__/session/github_crear_repo.py.json
+++ b/__marimo__/session/github_crear_repo.py.json
@@ -32,7 +32,33 @@
     },
     {
       "id": "KsAh",
-      "code_hash": "6b9a0985d72cf6686753e11cc4da58c7",
+      "code_hash": "9b30df28058d9b85e3f8b440bea8bd9e",
+      "outputs": [
+        {
+          "type": "data",
+          "data": {
+            "text/plain": ""
+          }
+        }
+      ],
+      "console": []
+    },
+    {
+      "id": "nSXV",
+      "code_hash": "1b76b63c5cef32f4010a58e6bcd112f3",
+      "outputs": [
+        {
+          "type": "data",
+          "data": {
+            "text/html": "<span class=\"markdown prose dark:prose-invert\"><span class=\"paragraph\">Aqui borramos si generamos sin querer, cuidado!</span></span>"
+          }
+        }
+      ],
+      "console": []
+    },
+    {
+      "id": "HxZB",
+      "code_hash": "67b2c321a1a80633c3328a8f16239616",
       "outputs": [
         {
           "type": "data",
@@ -45,12 +71,12 @@
         {
           "type": "stream",
           "name": "stdout",
-          "text": "ok: controlando_git_desde_python_20250911 http://10.8.0.6:3123/egutierrez/controlando_git_desde_python_20250911\n"
+          "text": "Resultado borrado: ok: controlando_git_desde_python borrado\n"
         }
       ]
     },
     {
-      "id": "HxZB",
+      "id": "ZYaS",
       "code_hash": null,
       "outputs": [],
       "console": []
diff --git a/github_crear_repo.py b/github_crear_repo.py
index c454975..2726547 100644
--- a/github_crear_repo.py
+++ b/github_crear_repo.py
@@ -95,6 +95,7 @@ def _():
         except Exception:
             return "fail"
 
+        
 
     def run_cmd(cmd):
         """Ejecuta un comando en shell y muestra salida."""
@@ -125,13 +126,22 @@ def _():
 
         if not os.path.exists(".git"):
             run_cmd("git init")
-            run_cmd("git branch -M main")
+
+        # Detectar rama actual (master, main, etc.)
+        result = subprocess.run(
+            "git rev-parse --abbrev-ref HEAD",
+            shell=True, text=True, capture_output=True
+        )
+        branch = result.stdout.strip()
+        if not branch:  # Si aún no hay rama, crear main
+            branch = "main"
+            run_cmd(f"git checkout -b {branch}")
 
         run_cmd("git remote remove origin || true")
         run_cmd(f"git remote add origin {remote_url}")
         run_cmd("git add .")
         run_cmd(f'git commit -m "{commit_message}" || echo "Nada que commitear"')
-        run_cmd("git push -u origin main")
+        run_cmd(f"git push -u origin {branch}")
 
 
     # --- Flujo principal ---
@@ -145,6 +155,65 @@ def _():
 
     if resultado.startswith("ok:"):
         commit_and_push(resultado)
+    return HOST, TOKEN, USERNAME, requests
+
+
+@app.cell
+def _(mo):
+    mo.md(r"""Aqui borramos si generamos sin querer, cuidado!""")
+    return
+
+
+@app.cell
+def _(HOST, TOKEN, USERNAME, requests):
+
+    NOMBRE_REPO = "controlando_git_desde_python"
+
+    def borrar_repo(host, username, token, repo_name):
+        """Borra un repositorio en GitHub, GitLab o Gitea según el host.
+           Devuelve 'ok: nombre_repo borrado' o 'fail'.
+        """
+        headers = {"Content-Type": "application/json"}
+        try:
+            # --- GitHub ---
+            if "github" in host:
+                headers["Authorization"] = f"token {token}"
+                api_url = "https://api.github.com"
+                r = requests.delete(f"{api_url}/repos/{username}/{repo_name}", headers=headers)
+                if r.status_code == 204:
+                    return f"ok: {repo_name} borrado"
+                return "fail"
+
+            # --- GitLab ---
+            elif "gitlab" in host:
+                headers["PRIVATE-TOKEN"] = token
+                api_url = f"{host}/api/v4"
+                # Ojo: GitLab usa ID o namespace/proyecto
+                r = requests.delete(f"{api_url}/projects/{username}%2F{repo_name}", headers=headers)
+                if r.status_code == 202:
+                    return f"ok: {repo_name} borrado"
+                return "fail"
+
+            # --- Gitea ---
+            elif "gitea" in host or "http" in host:
+                headers["Authorization"] = f"token {token}"
+                api_url = f"{host}/api/v1"
+                r = requests.delete(f"{api_url}/repos/{username}/{repo_name}", headers=headers)
+                if r.status_code == 204:
+                    return f"ok: {repo_name} borrado"
+                return "fail"
+
+            else:
+                return "fail"
+
+        except Exception as e:
+            print("Error:", str(e))
+            return "fail"
+
+
+    # Ejemplo de uso:
+    resultado_borrado = borrar_repo(HOST, USERNAME, TOKEN, NOMBRE_REPO)
+    print("Resultado borrado:", resultado_borrado)
 
     return