How to build a specific library version with dub?

[martinm]

On Sunday, 11 April 2021 at 13:43:47 UTC, martinm wrote:
> I'm trying to use wayland-d which depends on 
> derelict-util-2.0.6.
> DUB can't download the zip and fails.
> I download the zip to ~/.dub/packages/derelict-util folder, 
> unzip and build.
> DUB builds **DerelictUtil.a ~master**.
>
> Trying to rebuild wayland-d, DUB can't find 
> **derelict-util-2.0.6** dependency.
> *dub list | grep -i derelict* shows:
> *derelict-util ~master 
> ~/.dub/packages/derelict-util-2.0.6/derelict-util/*
> is there.
>
> How can DUB build 2.0.6 version ?
> *dub build library at 2.0.6* fails
> *(1) : Error: Got JSON of type null_, expected object.*
>
> How can I change registry and manually change **~master** to 
> **2.0.6** ?
>
> Why is DUB stupid program ?

Solution:

I open dub.json in ~/.dub/packages/derelict-util and add line:
*"version": "2.0.6"*

now DUB list shows
derelict-util 2.0.6 ...

and building wayland-d is ok.