feat: add --version flag and show version in --help output

src/drs/cli.py

@@ -26,6 +26,7 @@
 import httpx
 import typer
 
+from drs import __version__
 from drs.auth import DrsConfig, load_config
 from drs.client import DremioClient
 from drs.commands import (
@@ -49,7 +50,7 @@
 
 app = typer.Typer(
     name="dremio",
-    help="Developer CLI for Dremio Cloud.",
+    help=f"Developer CLI for Dremio Cloud (version {__version__})",
     no_args_is_help=True,
     context_settings=CONTEXT_SETTINGS,
 )
@@ -75,9 +76,18 @@
 _cli_opts: dict = {}
 
 
+def _version_callback(value: bool) -> None:
+    if value:
+        print(f"dremio-cli {__version__}")
+        raise typer.Exit()
+
+
 @app.callback()
 def main(
     ctx: typer.Context,
+    version: bool = typer.Option(
+        False, "--version", help="Show version and exit.", callback=_version_callback, is_eager=True
+    ),
     config: str | None = typer.Option(None, "--config", "-c", help="Path to config file"),
     token: str | None = typer.Option(None, "--token", help="Dremio personal access token (PAT)"),
     project_id: str | None = typer.Option(None, "--project-id", help="Dremio Cloud project ID"),

tests/test_cli.py

@@ -0,0 +1,43 @@
+#
+# Copyright (C) 2017-2026 Dremio Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+"""Tests for CLI --version and --help flags."""
+
+from __future__ import annotations
+
+from typer.testing import CliRunner
+
+from drs import __version__
+from drs.cli import app
+
+runner = CliRunner()
+
+
+def test_version_flag() -> None:
+    result = runner.invoke(app, ["--version"])
+    assert result.exit_code == 0
+    assert f"dremio-cli {__version__}" in result.output
+
+
+def test_help_includes_version() -> None:
+    result = runner.invoke(app, ["--help"])
+    assert result.exit_code == 0
+    assert f"(version {__version__})" in result.output
+
+
+def test_help_short_flag() -> None:
+    result = runner.invoke(app, ["-h"])
+    assert result.exit_code == 0
+    assert f"(version {__version__})" in result.output