git bisect of gst-plugins-bad

[Nirbheek Chauhan]

Hi Russel,

Yeah, git bisect of gst-build is very painful right now. I think you
can workaround the version restriction by setting `match_gst_version:
false` in meson.build. It's done for other subprojects, so you can use
that as an example.

However, you will still hit build issues due to API changes across
modules which you will have to resolve manually.

Cheers,
Nirbheek

PS: inb4 someone says that this would be less of a problem with a monorepo ;)


On Sun, Oct 25, 2020 at 11:45 PM Russel Winder <russel at winder.org.uk> wrote:
>
> Hi,
>
> I think I have managed to come to terms with using gst-build for creating
> builds of the whole of gstreamer and plugins for a given tag. There are
> irritants such as having to manually update all the git repositories that get
> pulled in prior to running "ninja -C Build update" – since update doesn't seem
> to update :-(
>
> However trying to use "git bisect" on the whole thing is problematic since
> many critical commits do not result in a usable build – wrong dependencies,
> etc. Also for my problem I am told the right way forward is to leave the bulk
> of GSteamer at 1.18 and just git bisect on gst-plugins-bad. Sounds good in
> principle, but I cannot see how to do it. If I set up gst-build to 1.18 and
> build, I get a usable build. If I then start a bisect session and move gst-
> plugins-bad only to 1.17.1, I get:
>
> gst-plugins-bad: NO Subproject gst-plugins-bad version is 1.17.1 but >= 1.18.0.1 required.
>
> The requirement that all git repositories are at the same tag seems to be
> hardwired into the Meson build.
>
> So the question is how to create a 1.18 build of GStreamer and get do a git
> bisect of gst-plugins-bad?
>
> If I have missed a webpage that tells me how to do this please feel free to
> say "read <url>".
>
>
> --
> 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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