Re: Conditional "on-change" does not work for "require-change-reason"

[Mel Hatzis]

Alexander Mueller wrote:
> Hi,
> 
> I'm using gnats 4.01 and have encountered a strange problem
> concerning the "on-change" section. Using a query expression
> to make the execution of the actions contained in an "on-change"
> section conditional works just fine, except for the "require-
> change-reason" action. No matter whether the query expression
> is true or false the "require-change-reason" action is always
> executed, while for other actions contained in the same "on-
> change" section the result of the evaluation of the query
> expression is correctly taken into account.
> 
> Here's an example:
> 
>     on-change "State[type]!=\"closed\"" {
> 
>         require-change-reason     <---- always executed
> 
>         set-field "Foo" {         <---- executed if query
>             "Bar"                       expression is true
>         }
>     }
> 
> I've already skimmed the relevant parts of the sources
> but couldn't find any particular reason for my problem.
> Any advice? Please be benignant because I'm new to
> gnats ;-)

Sorry to be the bearer of bad news, but you've uncovered
a GNATS bug. The condition is ignored for the require-change-reason
flag, resulting in an error if you haven't supplied a change
reason when the field changes, irrespective of the on-change
condition.

The good news is that it doesn't appear to be too difficult
to remedy. Hopefully, we'll have a fix for this in the next
release. In the meantime, perhaps someone can file this as a
bug so it doesn't get dropped.

--
Mel Hatzis

> 
> Cheers,
> 
> Alexander Mueller
> 
> 
> 
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