Re: "commands: arglist" mismatch between behaviour and documentation?

"'Vratislav Podzimek' via help-cfengine" <[email protected]> Wed, 13 Sep 2023 15:55:25 +0200
Newsgroups	gmane.comp.sysutils.cfengine.general
Message-ID	<[email protected]>
On Wed, 2023-09-13 at 06:38 -0700, [email protected] wrote:
> Using 3.18.5 community edition on RHEL9; also 3.15 on RHEL7 and RHEL8
> 
> Documentation https://docs.cfengine.com/docs/3.18/reference-promise-types-commands.html gives the example:
> -------------------------------------------------
> commands: "/bin/echo one" args => "two three", arglist => { "four", "five" };
> So in the example above the command would be:
>  /bin/echo one two three four five
> -------------------------------------------------
> 
> It also states:-------------------------------------------------
> That's particularly useful when there are embedded spaces and quotes in your arguments...
> -------------------------------------------------
> 
> So I'm trying to build something, specifically requiring that "embedded spaces" claim.  But I hit a problem, so strip it down to a proof-of-concept script:
> -------------------------------------------------
> #! /bin/bash
> echo "argcount: $#"
> for (( i=1 ; i<=$#; i++))
> do    
>   echo "${i}:${!i}"
> done
> -------------------------------------------------
> 
> At the command line I verify the script:
> -------------------------------------------------
> $ ./modules/printargs A B "C with spaces" D
> argcount: 4
> 1:A
> 2:B
> 3:C with spaces
> 4:D
> $ 
> -------------------------------------------------
> (Four arguments, the third being three words with embedded spaces.)
> 
> I then run it from within our CFEngine framework:
> -------------------------------------------------
>   commands:
>     any::
>       "$(gcom.modulesdir)/printargs"
>         arglist => { "A", "B", "C with spaces", "D" };
> -------------------------------------------------
> 
> But instead of receiving four arguments, it receives six: here's the CFE "inform" output:
> -------------------------------------------------
>     info: Executing 'no timeout' ... '[...]/modules/printargs A B C with spaces D'
>   notice: Q: ".../printargs A B ": argcount: 6
> Q: ".../printargs A B ": 1:A
> Q: ".../printargs A B ": 2:B
> Q: ".../printargs A B ": 3:C
> Q: ".../printargs A B ": 4:with
> Q: ".../printargs A B ": 5:spaces
> Q: ".../printargs A B ": 6:D
>     info: Last 7 quoted lines were generated by promiser
> -------------------------------------------------
>  That useful "embedded spaces" claim in the documentation seems to be being ignored.
> 
> Is the bug/problem:
>  * in the code
>  * or in the documentation
>  * or in my interpretation of the documentation
> Help appreciated
Definitely looks like a bug in the CFEngine code to me. I'm just surprised there's no failing test
for this. Please report the issue at https://northerntech.atlassian.net/browse/CFE

Thanks!

--
Vratislav

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