From c77ca16d91c727eb2e4f8302d23252d9fda89364 Mon Sep 17 00:00:00 2001
From: chengyongru <chengyongru.ai@gmail.com>
Date: Thu, 4 Jun 2026 15:54:11 +0800
Subject: [PATCH] fix: preserve uv pip update reinstall semantics

Maintainer edit: the uv fallback for CLI app updates now keeps the force-reinstall behavior from the python -m pip path by using uv pip install --reinstall, with unit coverage for the generated argv.
---
 nanobot/apps/cli/service.py    |  2 +-
 tests/cli_apps/test_service.py | 28 ++++++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/nanobot/apps/cli/service.py b/nanobot/apps/cli/service.py
index 906e5f14a..eeaa040df 100644
--- a/nanobot/apps/cli/service.py
+++ b/nanobot/apps/cli/service.py
@@ -723,7 +723,7 @@ class CliAppManager:
             if pip_available:
                 prefix.extend(["--upgrade", "--force-reinstall"])
             else:
-                prefix.append("--upgrade")
+                prefix.extend(["--upgrade", "--reinstall"])
         return prefix + args
 
     def _pip_uninstall_argv(
diff --git a/tests/cli_apps/test_service.py b/tests/cli_apps/test_service.py
index b6b58d919..269f5cfd5 100644
--- a/tests/cli_apps/test_service.py
+++ b/tests/cli_apps/test_service.py
@@ -815,6 +815,34 @@ def test_install_uses_uv_pip_when_pip_unavailable(
     ]
 
 
+def test_update_uses_uv_pip_reinstall_when_pip_unavailable(
+    tmp_path: Path,
+    monkeypatch: pytest.MonkeyPatch,
+) -> None:
+    manager = _manager(tmp_path)
+    monkeypatch.setattr(CliAppManager, "_pip_available", staticmethod(lambda: False))
+    monkeypatch.setattr(
+        "nanobot.apps.cli.service.shutil.which",
+        lambda command: "/usr/bin/uv" if command == "uv" else None,
+    )
+
+    argv = manager._pip_install_argv(
+        {"name": "gimp", "install_cmd": "pip install cli-anything-gimp"},
+        update=True,
+    )
+
+    assert argv == [
+        "uv",
+        "pip",
+        "install",
+        "--python",
+        sys.executable,
+        "--upgrade",
+        "--reinstall",
+        "cli-anything-gimp",
+    ]
+
+
 def test_uninstall_uses_uv_pip_when_pip_unavailable(
     tmp_path: Path,
     monkeypatch: pytest.MonkeyPatch,