Re: [PATCH v2] selftests: use printf instead of echo -ne

From: Guillaume Tucker
Date: Tue Feb 07 2023 - 03:35:46 EST


On 04/02/2023 14:56, Guillaume Tucker wrote:
> On some systems, the default echo command doesn't handle the -e option
> and the output looks like this (arm64 build):
>
> -ne Emit Tests for alsa
>
> -ne Emit Tests for amd-pstate
>
> -ne Emit Tests for arm64
>
> This is for example the case with the KernelCI Docker images
> e.g. kernelci/gcc-10:x86-kselftest-kernelci. To avoid this issue, use
> printf which handles escape characters as a standard feature and is
> more widespread among modern shells.
>
> The output is now formatted as expected (x86 build this time):
>
> Emit Tests for alsa
> Emit Tests for amd-pstate
> Skipping non-existent dir: arm64
>
> Reported-by: "kernelci.org bot" <bot@xxxxxxxxxxxx>
> Suggested-by: David Laight <David.Laight@xxxxxxxxxx>
> Fixes: 3297a4df805d ("kselftests: Enable the echo command to print newlines in Makefile")
> Signed-off-by: Guillaume Tucker <guillaume.tucker@xxxxxxxxxxxxx>
> ---
>
> Notes:
> v2: use printf insead of $(which echo)

Oh I see you've already applied the v1 on kselftest/next branch:

79c16b1120fe selftests: find echo binary to use -ne options

Do you want me to send this printf fix rebased on top?

Thanks,
Guillaume