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Re: [Qemu-block] [PATCH for-2.10] tests/multiboot: Fix whitespace failur
From: |
John Snow |
Subject: |
Re: [Qemu-block] [PATCH for-2.10] tests/multiboot: Fix whitespace failure |
Date: |
Wed, 16 Aug 2017 17:38:55 -0400 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 |
No replies that I can see, but merged as:
01a02ec4f6b6a12df7acfb6ad820b384b48cbf70 tests/multiboot: Fix whitespace
failure
Thanks
On 08/08/2017 10:34 AM, Eric Blake wrote:
> Commit b43671f8 accidentally broke run_test.sh within tests/multiboot;
> due to a subtle change in whitespace.
>
> These two commands produce theh same output (at least, for sane $IFS
> of space-tab-newline):
>
> echo -e "address@hidden"
> echo -e "...$*..."
>
> But that's only because echo inserts spaces between multiple arguments
> (the $@ case), while the $* form gives a single argument to echo with
> the spaces already present.
>
> But when converting to printf %b, there are no automatic spaces between
> multiple arguments, so we HAVE to use $*.
>
> It doesn't help that run_test.sh isn't part of 'make check'.
>
> Signed-off-by: Eric Blake <address@hidden>
> ---
> tests/multiboot/run_test.sh | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tests/multiboot/run_test.sh b/tests/multiboot/run_test.sh
> index c8f3da8f37..0278148b43 100755
> --- a/tests/multiboot/run_test.sh
> +++ b/tests/multiboot/run_test.sh
> @@ -26,7 +26,7 @@ run_qemu() {
> local kernel=$1
> shift
>
> - printf %b "\n\n=== Running test case: $kernel $@ ===\n\n" >> test.log
> + printf %b "\n\n=== Running test case: $kernel $* ===\n\n" >> test.log
>
> $QEMU \
> -kernel $kernel \
>