From 97bf28bad6952f1edd7d480b54dafc3e0d4ef47f Mon Sep 17 00:00:00 2001
From: "Wei Sun (Jack)" <weisun@google.com>
Date: Wed, 28 May 2025 09:36:53 -0700
Subject: [PATCH] chore: Adds `--version` to `adk` cli.

Sample:

```
-> % adk --version
adk, version 1.0.0
```

Help with https://github.com/google/adk-python/issues/832

PiperOrigin-RevId: 764297949
---
 src/google/adk/cli/cli_tools_click.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/google/adk/cli/cli_tools_click.py b/src/google/adk/cli/cli_tools_click.py
index e238bae..1692cbf 100644
--- a/src/google/adk/cli/cli_tools_click.py
+++ b/src/google/adk/cli/cli_tools_click.py
@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import annotations
+
 import asyncio
 import collections
 from contextlib import asynccontextmanager
@@ -84,6 +86,7 @@ logger = logging.getLogger("google_adk." + __name__)
 
 
 @click.group(context_settings={"max_content_width": 240})
+@click.version_option(version.__version__)
 def main():
   """Agent Development Kit CLI tools."""
   pass