# Re: \[PATCH v5 1/2\] branch: accept multiple upstream branches for tracking

- From: Glen Choo \<hidden\>
- Date: 2021-12-09 00:08:49 
- List: git
- Page: https://ratatoskr.run/git/2021/12/7915186
- Thread: https://ratatoskr.run/git/2021/09/7901746/t.md

```text
Glen Choo [ref] writes:

> We print ref_string, which is a strbuf. This causes t/t3200-branch.sh to
> segfault on my mac + clang, but inconsistently! With -O2, it doesn't
> always segfault, but the wrong memory is read:
>
>   Branch 'my3' set up to track remote branch local from 'Branch '%s' set up to track remote branch %s from '%s'.'.

I forgot to mention this earlier but in this example, the test *passes*
even though the stderr message is obviously wrong. I don't see any
coverage of the help message in t3200, which is a bit worrying to me.

After this series is done, is it worth adding test coverage of the help
message?
```