[PATCH] tools: mkenvimage: Add pure shell implementation of mkenvimage

[Marek Vasut]

On 2/6/25 1:38 PM, Simon Glass wrote:
> Hi Marek,
> 
> On Wed, 5 Feb 2025 at 07:37, Marek Vasut <marex at denx.de> wrote:
>>
>> Add implementation of mkenvimage written purely in bourne shell.
>>
>> This is not a replacement for mkenvimage tool, but rather a simple
>> implementation which can be used in environments where mkenvimage
>> itself cannot be deployed due to various constraints, like hardware
>> manufacturing plants, but where bourne shell and basic tool are
>> already available.
>>
>> The external dependencies which are not shell built-ins are gzip
>> and grep.
>>
>> All mkenvimage parameters are implemented and compatible with the
>> C implementation of mkenvimage.
>>
>> Signed-off-by: Marek Vasut <marex at denx.de>
>> ---
>> Cc: Joe Hershberger <joe.hershberger at ni.com>
>> Cc: Tom Rini <trini at konsulko.com>
>> ---
>>   tools/mkenvimage.sh | 126 ++++++++++++++++++++++++++++++++++++++++++++
>>   1 file changed, 126 insertions(+)
>>   create mode 100755 tools/mkenvimage.sh
> 
> Would it be worth adding a simple test for this?
Sure, is there an existing test for similar case I can look at ?