Nobuyoshi Nakada dd34d6273a
Extract git version only
The version message may contain other info such as the distribution.
e.g.:
```console
$ /usr/bin/git --version
git version 2.50.1 (Apple Git-155)
```
2026-01-02 13:13:40 +09:00
..
2025-12-31 02:24:21 +09:00