On Fri, Aug 25, 2023 at 12:37 PM Alyssa Ross <h...@alyssa.is> wrote:

> Alyssa Ross <h...@alyssa.is> writes:
>
> > Gurchetan Singh <gurchetansi...@chromium.org> writes:
> >
> >> On Fri, Aug 25, 2023 at 12:11 AM Alyssa Ross <h...@alyssa.is> wrote:
> >>
> >>> Gurchetan Singh <gurchetansi...@chromium.org> writes:
> >>>
> >>> > On Wed, Aug 23, 2023 at 4:07 AM Alyssa Ross <h...@alyssa.is> wrote:
> >>> >
> >>> >> Gurchetan Singh <gurchetansi...@chromium.org> writes:
> >>> >>
> >>> >> > - Official "release commits" issued for rutabaga_gfx_ffi,
> >>> >> >   gfxstream, aemu-base.  For example, see crrev.com/c/4778941
> >>> >> >
> >>> >> > - The release commits can make packaging easier, though once
> >>> >> >   again all known users will likely just build from sources
> >>> >> >   anyways
> >>> >>
> >>> >> It's a small thing, but could there be actual tags, rather than just
> >>> >> blessed commits?  It'd just make them easier to find, and save a
> bit of
> >>> >> time in review for packages.
> >>> >>
> >>> >
> >>> > I added:
> >>> >
> >>> >
> >>>
> https://crosvm.dev/book/appendix/rutabaga_gfx.html#latest-releases-for-potential-packaging
> >>> >
> >>> > Tags are possible, but I want to clarify the use case before
> packaging.
> >>> > Where are you thinking of packaging it for (Debian??)? Are you mostly
> >>> > interested in Wayland passthrough (my guess) or gfxstream too?
> Depending
> >>> > your use case, we may be able to minimize the work involved.
> >>>
> >>> Packaging for Nixpkgs (where I already maintain what to my knowledge is
> >>> the only crosvm distro package).  I'm personally mostly interested in
> >>> Wayland passthroug, but I wouldn't be surprised if others are
> interested
> >>> in gfxstream.  The packaging work is already done, I've just been
> >>> holding off actually pushing the packages waiting for the stable
> >>> releases.
> >>>
> >>> The reason that tags would be useful is that it allows a reviewer of
> the
> >>> package to see at a glance that the package is built from a stable
> >>> release.  If it's just built from a commit hash, they have to go and
> >>> verify that it's a stable release, which is mildly annoying and
> >>> unconventional.
> >>>
> >>
> >> Understood.  Request to have gfxstream and AEMU v0.1.2 release tags
> made.
> >>
> >> For rutabaga_gfx_ffi, is the crates.io upload sufficient?
> >>
> >> https://crates.io/crates/rutabaga_gfx_ffi
> >>
> >> Debian, for example, treats crates.io as the source of truth and builds
> >> tooling around that.  I wonder if Nixpkgs as similar tooling around
> >> crates.io.
> >
> > We do, and I'll use the crates.io release for the package — good
> > suggestion, but it's still useful to also have a tag in a git repo.  It
> > makes it easier if I need to do a bisect, for example.  As a distro
> > developer, I'm frequently jumping across codebases I am not very
> > familiar with to try to track down regressions, etc., and it's much
> > easier when I don't have to learn some special quirk of the package like
> > not having git tags.
>
> Aha, trying to switch my package over to it has revealed that there is
> actually a reason not to use the crates.io release.  It doesn't include
> a Cargo.lock, which would mean we'd have to obtain one from elsewhere.
> Either from the crosvm git repo, at which point we might just get all
> the sources from there, or by vendoring a Cargo.lock into our own git
> tree for packages, which we try to avoid because when you have a lot of
> them, they become quite a large proportion of the overall size of the
> repo.
>

Ack.  Request to have a rutabaga release tag in crosvm also made, should be
complete in a few days.


>
> (This probably differs from Debian, etc., because in Nixpkgs, we don't
> package each crate dependency separately.  We only have packages for
> applications (or occasionally, C ABI libraries written in Rust), and
> each of those gets to bring in whatever crate dependencies it wants as
> part of its build.  This means we use the upstream Cargo.lock, and
> accept that different Rust packages will use lots of different versions
> of dependencies, which I don't believe is the case with other distros
> that take a more purist approach to Rust packaging.)
>

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