Dub Error Message "Invalid variable: DUB"

[Russel Winder]

On Sun, 2020-06-07 at 10:30 +0000, Basile B. via Digitalmars-d-learn wrote:
[…]
> What is the docker image that you use ?  If it is an older 
> version maybe that the $DUB env variable is not yet supported by 
> the dub version that's installed (it exists since 2.084.0 
> according to [1]).

I am using ubuntu:focal. ubuntu:bionic has ldc 1.8 which is far too old. Focal
has ldc 1.20.

I think the dub version is 1.19.<something>

I am having to manually symbolically link /usr/bin/gcc and /usr/bin/cc so I
suspect the installation of focal is not going quite right. Especially as I
have to manually set a TZ variable to avoid a lock up.

> In my .gitalab-ci.yml I use 'dlang2/ldc-ubuntu' [2] or 
> 'dlang2/dmd-ubuntu' [3] which give always recent versions of D.
> 
> [1] https://dlang.org/changelog/2.084.0.html
> [2] https://hub.docker.com/r/dlang2/ldc-ubuntu
> [3] https://hub.docker.com/r/dlang2/dmd-ubuntu

I shall have to investigate these docker images in favour of working with a
bare Ubuntu.

-- 
Russel.
===========================================
Dr Russel Winder      t: +44 20 7585 2200
41 Buckmaster Road    m: +44 7770 465 077
London SW11 1EN, UK   w: www.russel.org.uk

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