Re: BuildStream proposal - take two (shorter version)

[Alberto Ruiz <aruiz gnome org>]

Tristan, thanks a lot for making the effort to condensate the proposal
in a mangeable email, now I finally understand what BuildStream is and
what the proposal is for :D

Looking forward to see you at GUADEC.

2017-07-25 17:18 GMT+01:00 Tristan Van Berkom
<tristan vanberkom codethink co uk>:
> Hi all,
>
>     So GUADEC is upon us, and, as last time I sent this proposal out it
> was overly detailed[0], I'll send out a less wordy proposal which I
> hope everyone can easily digest.
>
> We do have plans and ideas which go beyond the basic scope of the
> proposal but let's take baby steps and talk about these separately.
>
>
> The Short Proposal
> ~~~~~~~~~~~~~~~~~~
> BuildStream is a new meta build system for building arbitrary stacks of
> software and deploying built software in various ways. Our focus has
> been on deterministic and reproducible builds, and decoupling the build
> system from deployment mechanisms, while also providing a developer
> friendly user experience.
>
> BuildStream was also designed with GNOME's software building needs in
> mind.
>
> For more general information about BuildStream, see some of my previous
> blog entries and documentation linked from our project page here[1].
>
> For this proposal, our hope is to:
>
>   o Replacing JHBuild as the developer tool for:
>
>     - Building and publishing GNOME releases
>     - Hacking on GNOME modules in general
>
>   o Also use BuildStream to build and publish the GNOME Flatpak SDK and
>     Runtime, using the same build metadata used for building the rest
>     of GNOME.
>
> As a first step, over a month ago I had setup a conversion process
> which continuously takes the latest modulesets and creates a
> BuildStream project which can be used to build the latest GNOME (3.26)
> modulesets with BuildStream. See my blog post here[2] for full details
> of how that works along with some instructions in case you want to try
> it for yourself.
>
> Currently I am also working on a Flatpak SDK deployment of GNOME
> modules built from the same BuildStream project, this is not yet
> integrated into the automated conversion scripts mentioned above yet,
> though.
>
> We hope that we can establish some consensus on this now at GUADEC, and
> that we can also discuss plans to migrate our builds of GNOME and
> GNOME's Flatpak SDK to be built with BuildStream using the same build
> metadata (or "BuildStream project") moving forward.
>
>
> Activities at GUADEC
> ~~~~~~~~~~~~~~~~~~~~
> At GUADEC on Sunday, I will give a more in depth talk about
> BuildStream. In that talk I will focus more on the reasoning and
> driving requirements behind the creation of this new meta build system,
> and then generally how it can benefit GNOME's specific building needs.
>
> I will not go deep into the plumbing during this talk and probably wont
> have time to make more than a small demo, but will try to keep enough
> time for some Q&A here.
>
> Further, on Wednesday (The last day of the "Unconference" portion) we
> will have a BoF and prepare a hands on workshop where we can discuss in
> more detail how this all comes together and where this is going.
>
> Of course, catch any of us (Jürg Billeter, Sam Thursfield, Jonathan
> Maw, Tristan Maat or myself) in the hallway during the conference days
> and we will love to talk about this too.
>
>
> I feel like this proposal is missing a few more pages of real detail
> (I'm naturally verbose that way), but instead of covering too much
> ground at once I'll leave it to you to ask questions and I can then
> fill in the blanks later :)
>
> Best Regards,
>     -Tristan
>
> [0]: https://mail.gnome.org/archives/desktop-devel-list/2017-April/msg00071.html
> [1]: https://wiki.gnome.org/Projects/BuildStream
> [2]: https://blogs.gnome.org/tvb/2017/06/01/continuous-bst-conversions-of-gnome-modulesets/
>
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-- 
Cheers,
Alberto Ruiz