[kvm-unit-tests RFC PATCH 10/17] shellcheck: Fix SC2013

[Andrew Jones]

On Fri, Apr 05, 2024 at 07:00:42PM +1000, Nicholas Piggin wrote:
>   SC2013 (info): To read lines rather than words, pipe/redirect to a
>   'while read' loop.
> 
> Not a bug.
> 
> Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
> ---
>  scripts/arch-run.bash | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/scripts/arch-run.bash b/scripts/arch-run.bash
> index 9dc34a54a..e5750cb98 100644
> --- a/scripts/arch-run.bash
> +++ b/scripts/arch-run.bash
> @@ -487,7 +487,7 @@ env_file ()
>  
>  	[ ! -f "$KVM_UNIT_TESTS_ENV_OLD" ] && return
>  
> -	for line in $(grep -E '^[[:blank:]]*[[:alpha:]_][[:alnum:]_]*=' "$KVM_UNIT_TESTS_ENV_OLD"); do
> +	grep -E '^[[:blank:]]*[[:alpha:]_][[:alnum:]_]*=' "$KVM_UNIT_TESTS_ENV_OLD" | while IFS= read -r line ; do
>  		var=${line%%=*}
>  		if ! grep -q "^$var=" $KVM_UNIT_TESTS_ENV; then
>  			eval export "$line"
> -- 
> 2.43.0
>

Reviewed-by: Andrew Jones <andrew.jones at linux.dev>