From c336fb91fdb49009cc3347722012c442f42ddb43 Mon Sep 17 00:00:00 2001
From: Slai_Agent_Runtime <294879785+huong8373tt-beep@users.noreply.github.com>
Date: Thu, 24 Sep 2026 23:36:32 +0800
Subject: [PATCH] Fix Windows Git checkout symlink handling

---
 launch/core/platforms/windows.py | 15 ++++++++++++---
 tests/runtime_test.py            | 13 ++++++++++++-
 2 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/launch/core/platforms/windows.py b/launch/core/platforms/windows.py
index 28c146e..3c6550c 100644
--- a/launch/core/platforms/windows.py
+++ b/launch/core/platforms/windows.py
@@ -25,6 +25,17 @@
 from docker.models.containers import Container
 
 
+def build_windows_repo_clone_command(url: str, base_commit: str) -> str:
+    """Build the Windows checkout command with Git symlink support enabled."""
+    return (
+        'git config --global --add safe.directory "C:\\testbed"; '
+        'git config --global core.symlinks true; '
+        'git init "C:\\testbed"; '
+        f'cd "C:\\testbed"; git remote add origin {url}; '
+        f'git fetch --depth 1 origin {base_commit}; git reset --hard {base_commit}'
+    )
+
+
 class WindowsRuntime(LinuxRuntime):
 
     def __init__(
@@ -289,9 +300,7 @@ def start_runtime_from_base_image(
   if (Test-Path $gitCmd) { $env:PATH = "$gitCmd;$gitBin;$env:PATH" }
 }
 '''
-        repo_clone_cmd = r'git config --global --add safe.directory "C:\testbed"; git init "C:\testbed"; cd "C:\testbed"; git remote add origin {url}; git fetch --depth 1 origin {base}; git reset --hard {base}'.format(
-                url=url, base=base_commit
-            )
+        repo_clone_cmd = build_windows_repo_clone_command(url, base_commit)
         session.preparation_commands.extend([git_install_cmd, repo_clone_cmd])
 
         # 2) Ensure Git is installed (Chocolatey if possible; fallback to official silent installer).
diff --git a/tests/runtime_test.py b/tests/runtime_test.py
index 809ec3d..6928ed9 100644
--- a/tests/runtime_test.py
+++ b/tests/runtime_test.py
@@ -49,7 +49,10 @@
 
 from launch.core.runtime import SetupRuntime
 from launch.core.platforms.linux import LinuxRuntime
-from launch.core.platforms.windows import WindowsRuntime
+from launch.core.platforms.windows import (
+    WindowsRuntime,
+    build_windows_repo_clone_command,
+)
 from launch.core.platforms.android import AndroidRuntime
 #from launch.core.platforms.macos import MacosRuntime
 
@@ -66,6 +69,14 @@ class FakeSocket:
     pass
 
 
+def test_windows_repo_clone_enables_git_symlinks():
+    command = build_windows_repo_clone_command(
+        "https://github.com/example/project.git", "0123456789abcdef"
+    )
+    assert "git config --global core.symlinks true" in command
+    assert "git reset --hard 0123456789abcdef" in command
+
+
 class FakeContainer:
     def __init__(self, sock: FakeSocket):
         self.sock = sock