util-linux: getopt: broken --name option for a while now

Andrey Repin anrdaemon@yandex.ru
Fri Dec 7 17:35:00 GMT 2018


Greetings, Houder!

> On Fri, 7 Dec 2018 02:56:50, Andrey Repin  wrote:
>> Greetings, All!
>> 
>> This has been plaguing me for several years, but only now I got to test it
>> more thoroughly.
>> Shame on me.
>> 
>> $ /usr/bin/getopt --options '+H' --shell sh --name x -- -d
>> getopt: unknown option -- d
>> 
>> Expected output:
>> x: unknown option -- d
>> 
>> $ /usr/bin/getopt -V
>> getopt from util-linux 2.25.2
>> 
>> Poked around,
>> getopt from 2.20.1, 2.27.1, 2.31.1 and (reportedly)2.33 works as expected.

> 2.27.1? Typo?

No, just a different OS.

# lsb_release -a; /usr/bin/getopt -V; /usr/bin/getopt --options '+H' --shell sh --name x -- -d
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 16.04.5 LTS
Release:        16.04
Codename:       xenial
getopt from util-linux 2.27.1
x: invalid option -- 'd'
 --

> See:
> https://stackoverflow.com/questions/43078330/how-to-use-the-name-argument-to-getopt
> ( How to use the --name argument to getopt? )

>  "This is a bug (or just a non-portability issue) which is already fixed in
>   util-linux 2.28, by commit 30fbf2f6. Before this fix it worked only on Linux,

That explains it.

>   OSX and a few BSD flavors but not on WIN32 or GNU-Hurd for example".

> The answer by "rudimeier" also decribes a temporary work-around.


-- 
With best regards,
Andrey Repin
Friday, December 7, 2018 20:24:07

Sorry for my terrible english...


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