# Re: \[PATCH v3\] var: add GIT\_DEFAULT\_BRANCH variable

- From: Junio C Hamano \<hidden\>
- Date: 2021-11-03 20:04:48 
- List: git
- Page: https://ratatoskr.run/git/2021/11/7910422
- Thread: https://ratatoskr.run/git/2021/11/7910422/t.md

```text
Eric Sunshine [ref] writes:

> earlier in the thread (i.e. create a dummy repo and ask it for its
> default branch)? Something like this (untested):
>
>     (
>         sane_unset GIT_TEST_... &&
>         git init defbranch &&
>         git -C defbranch symbolic-ref --short HEAD >expect &&
>         git var GIT_DEFAULT_BRANCH >actual &&
>         test_cmp expect actual
>     )

So, the idea is to "observe" what the init command actually does,
and see if that matches the behaviour of the var command?

Sounds like a good way to ensure correctness to me.

Thanks.
```