Re: [PATCH v4 1/8] t5516: fix test order flakiness

> From: Derrick Stolee <stolee@gmail.com>
> 
> The 'fetch follows tags by default' test sorts using 'sort -k 4', but
> for-each-ref output only has 3 columns. This relies on sort treating records
> with fewer fields as having an empty fourth field, which may produce
> unstable results depending on locale. This appears to be an accident added
> in 3f763ddf28 (fetch: set remote/HEAD if it does not exist, 2024-11-22).
> 
> Use 'sort -k 3' to match the actual number of columns in the output.

> Signed-off-by: Derrick Stolee <stolee@gmail.com>
> ---
>   t/t5516-fetch-push.sh | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/t/t5516-fetch-push.sh b/t/t5516-fetch-push.sh
> index 29e2f17608..ac8447f21e 100755
> --- a/t/t5516-fetch-push.sh
> +++ b/t/t5516-fetch-push.sh
> @@ -1349,7 +1349,7 @@ test_expect_success 'fetch follows tags by default' '
>   		git for-each-ref >tmp1 &&
>   		sed -n "p; s|refs/heads/main$|refs/remotes/origin/main|p" tmp1 |
>   		sed -n "p; s|refs/heads/main$|refs/remotes/origin/HEAD|p"  |
> -		sort -k 4 >../expect
> +		sort -k 3 >../expect
>   	) &&
>   	test_when_finished "rm -rf dst" &&
>   	git init dst &&