[Rock-dev] Autoproj v2

[Sylvain Joyeux]

Shameless plug: the best way to learn about something's internals is
to actually contribute to it ... it so happens that some people found
out that what they were doing on v1 stop working on v2... Great
opportunity !

   https://github.com/rock-core/autoproj/issues


On Thu, Jun 1, 2017 at 12:56 PM, Sylvain Joyeux <bir.sylvain at gmail.com> wrote:
>> As rock developer I have to understand the installation process, e.g., to be able to repair installations and thus I sometimes also take advantage of this knowledge.
>
> If you wonder about the installation process details, ask. After
> enough questions you should have an idea of how the installation
> process is *meant* to work which is a more actionable information.
>
> The three lines that you find so transparent are full of red flags:
>
> 1. manually set GEM_HOME (without setting GEM_PATH I might add)
> 2. access a hidden folder
> 3. run an unrelated command to hopefully initialize the autoproj
> environment (envsh)
>
> (1) and (2) place a lot of assumptions on autoproj's internals. How do
> you know whether these assumptions actually match autoproj's, or if
> you're doing something that works by accident ?
>
> (3) is in effect exploiting a bug in autoproj.
>
> So, my apologies if it felt like I was trying to stifle your free
> speech, but even if it feels better to you to go close to the metal,
> this is *not* good practice.
>
> Sylvain