Re: bash command completion has a problem with sudo command

[Chet Ramey]

On 8/22/22 2:10 AM, Hyunho Cho wrote:

> Bash Version: 5.1
> Patch Level: 16
> Release Status: release
>
> ##############################################################
>
> when command completion function start running there are three
> variables automatically setting
>
> bash$ hello foo ba[tab]
> $1 (command):   hello
> $2 (current):        ba
> $3 (previous):      foo
>
> bash$ echo -n "$COMP_WORDBREAKS" | od -a
> 0000000  sp  ht  nl   "   '   @   >   <   =   ;   |   &   (   :
>
> bash$ hello --opt foo:[tab]        # ":" is a member of $COMP_WORDBREAKS
> $1 (command):   hello
> $2 (current):        (empty)         # default behavior
> $3 (previous):      foo
>
> bash$ sudo hello --opt foo:[tab]         # using sudo command
> $1 (command):   hello
> $2 (current):        :          <----- not empty
> $3 (previous):      foo

I can't reproduce this. When I test without bash-completion installed, I
get the same null second argument with or without specifying `sudo'.

--
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/