How about a bounty for a new windows installer using inno setup ?

[Thomas Mader via Digitalmars-d]

On Wednesday, 7 December 2016 at 23:00:13 UTC, Jim Hewes wrote:
> On 12/6/2016 10:31 PM, Thomas Mader wrote:
>>
>> The update case could be better supported by Inno by default 
>> though I
>> don't know how to really do it transactionally/atomic. Once 
>> everything
>> is on the drive, how would you be able to switch from the old 
>> directory
>> to the new one with one atomic action under Windows?
>>
>
> I liked WiX because it was down to the metal and I don't think 
> there's anything you can't do. With other tools (like 
> InstallShield) I spent too much time trying to get the tool to 
> do something I could have done really easy at the low level if 
> I could've just gotten to it. But granted, for simpler install 
> situations the scripting tools can work OK and have a smaller 
> learning curve.
>
> Jim

I think you might be right about using WiX. MSI seems to be build 
upon transactional installation.
Do you think it would be possible to use D instead of C++ to 
write custom code?