How about using `--mime-type`?

在2024年4月17日星期三 UTC+8 14:47:25<Zhibin Dong> 写道：

> The previous code does a wrong judgement in two cases:
> 1. a file is suffixed by .core but is not a core dump file
> 2. a file is a core dump file but is not suffixed by .core
>
> The new code uses `file` to determine the type of files, which is more
> accurate.
>
> Signed-off-by: Zhibin Dong <zhibi...@siemens.com>
> ---
> meta/classes/image.bbclass | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
> index 98741da0..2b0995d2 100644
> --- a/meta/classes/image.bbclass
> +++ b/meta/classes/image.bbclass
> @@ -444,7 +444,7 @@ EOSUDO
>
> # Sometimes qemu-user-static generates coredumps in chroot, move them
> # to work temporary directory and inform user about it.
> - for f in $(sudo find ${ROOTFSDIR} -type f -name *.core); do
> + for f in $(sudo find ${ROOTFSDIR} -type f -exec file --mime-type {} \; | 
> grep 'application/x-coredump' | cut -d: -f1); do
> sudo mv "${f}" "${WORKDIR}/temp/"
> bbwarn "found core dump in rootfs, check it in ${WORKDIR}/temp/${f##*/}"
> done
> -- 
> 2.39.2
>
>