From b6a2a4212575127283af717d64dc302e14fd2980 Mon Sep 17 00:00:00 2001
From: adjenk <1632694+adjenk@users.noreply.github.com>
Date: Tue, 8 Sep 2026 10:13:07 +0800
Subject: [PATCH] Added git why --version

Why: no way to print the version today; single source of truth avoids drift from pyproject.toml
Why-Spec: #1
---
 git_why.py    | 5 +++++
 test/smoke.sh | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/git_why.py b/git_why.py
index be510a3..8991ab5 100755
--- a/git_why.py
+++ b/git_why.py
@@ -18,6 +18,8 @@
 import sys
 from fnmatch import fnmatch
 
+__version__ = "0.1.0"  # single source of truth; keep in sync with pyproject.toml
+
 KEYS = ["Why", "Why-Prompt", "Why-Rationale", "Why-Alternatives",
         "Why-Spec", "Why-Agent", "Why-Session", "Why-Confidence"]
 LABEL = {"Why-Prompt": "prompt", "Why-Rationale": "rationale",
@@ -413,6 +415,9 @@ def cmd_init(args):
 
 def main():
     argv = sys.argv[1:]
+    if argv and argv[0] in ("-V", "--version"):
+        print(f"git why {__version__}")
+        return 0
     if not argv or argv[0] not in SUBCOMMANDS:
         if argv and argv[0] in ("-h", "--help"):
             return cmd_show("-h")
diff --git a/test/smoke.sh b/test/smoke.sh
index bb6bed1..7f19708 100755
--- a/test/smoke.sh
+++ b/test/smoke.sh
@@ -22,6 +22,9 @@ git init -q
 git config user.email t@example.com
 git config user.name Tester
 
+# --- version ---------------------------------------------------------------
+gw --version | grep -qE "^git why [0-9]+\.[0-9]+" || fail "git why --version"
+
 # --- default (substantial) enforcement -----------------------------------
 gw init >/dev/null
 [ "$(git config --get why.strict)" = "substantial" ] || fail "default level not substantial"