----- Original Message ----- > From: "Ryan Lerch" <rlerch@xxxxxxxxxx> > To: "Discussions about development for the Fedora desktop" <desktop@xxxxxxxxxxxxxxxxxxxxxxx> > Sent: Thursday, April 21, 2016 7:14:04 PM > Subject: Re: Versioning Fedora-built xdg-apps and runtimes > > > > On Thu, Apr 21, 2016 at 11:24 AM, Owen Taylor < otaylor@xxxxxxxxxx > wrote: > > > We've been working on the idea that we should have a way to take Fedora RPMs > and > convert them into xdg-app runtimes and applications; by doing this inside of > Koji > we would be able to pretty transparently provide a set of xdg-apps for many > existing applications in Fedora. > > ( https://fedoraproject.org/wiki/Workstation/BuildingXdgApps tries to work > out > possible details.) > > I have an initial prototype of this working with a branch of Koji > ( https://pagure.io/fork/otaylor/koji/commits/xdg-app , still rough), and > that > raised some questions to me about around versioning: > > * How should the fedora runtime be versioned? Is each Fedora release > (23,24,25) > a separate branch in the repository? (I'm not entirely sure if the "branch" > of the runtime the same as "runtime-version" that is part of > the xdg-app app metadata?) > > * What happens if we evolve the Fedora runtime during the development release > - > say we add a new package to it that we find we are repeatedly bundling into > applications. Can we make the behavior for the user better than simply having > xdg-apps that rely on the new package in the runtime die with obscure error > messages? > > * How should apps generated from Fedora packages be versioned? Presumably we > don’t > want each Fedora version to be a branch in this case, since we want automatic > updates. Are refs pointing to devel/testing/stable versions are something > added post-build into the repository? > > * We probably will be creating some sort of bundles when we build apps and > runtimes > in Koji. (This is what my prototype does using the existing xdg-app ostree > delta > format.) What do we use for filenames for these bundles? The RPM nvr of the > application itself doesn't tell the story because of the bundling of > dependencies > in the application. Is the filename just based off the hash of the xdg-app > like > ‘eog-f23-d3dafc9cf48.xdgapp’? Do we add a build-serial to make it clear what > bundle > is newer - e.g. ‘eog-f23-14-d3dafc9cf48.xdgapp’ ? > > Thanks, > Owen > > > A few questions about this > > How will the Fedora versions of the runtimes be delivered to users? will > Fedora have a ostree/xdg-app repository similar tohttps:// > sdk.gnome.org/repo/ ? and will this be configured and ready-to-go for users > when they install an xdg-app? > > If i try to install an xdg-app that uses a particular runtime, but i don't > have that runtime installed, will this just be pulled down as a dependency? > what happens if i try to install an xdg-app when the runtime isnt available > on my system or in one of the repos i have installed? > I think the plan is for every xdg-app to contain a pointer to where one can find its runtime. So if you don't have it the xdg-app should be able to tell your system where to get it from. I guess there might be a chance with old xdg-apps that the runtime has disappeared from the upstream, but that is where being a credible longitime runtime provider comes in. Christian -- desktop mailing list desktop@xxxxxxxxxxxxxxxxxxxxxxx http://lists.fedoraproject.org/admin/lists/desktop@xxxxxxxxxxxxxxxxxxxxxxx
