Proposal: The Edge channel
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@marathon2422
Well, I can see the need for a channel that is accessible early in the development cycle, which is stable enough to encourage use, gets updated frequently, but is not yetrcgrade stable.
You would want this channel to be tested as extensively as possible, but frequent breakage might scare off testers.On the other hand, testers should know what they are getting into.
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@unisuperbox Oh, yeah, bring it on. I'll happily test a new devices with such a channel.
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@alan_g The biggest major change is that this channel will be decouple from the ota release cycle and will only be cherry picked into devel (and then follow the release cycle) this is done due to our different types of devices where our older devices does not support newer libhybris just yet, and that way we can pull new libhybris and other major changes (unity8, mir, sensorfw, droidmedia, anbox and etc we want to experiment with) into this edge channel and keep it there to freely develop on without interfering with the normal OTA release cycle that happens at devel->rc->stable. Then the question is, why a channel/rootfs. This is because we want to support halium devices with this channel/rootfs and provide them with an option to download a rootfs that supports halium out of the box without needing to update libhybris etc to get it to boot with our rootfs, and for the channel this allows us to provide community channels using newer libhybris.
So keyword here is libhybris, we simply cannot bring libhybris in to devel->rc->stable cycle at this point, that would break some of the older devices.
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The idea of subchannel is something we got already, but using deb packages instead of full rootfs (we call them "branches"). We also got a tool to install/uninstall these branches. (http://docs.ubports.com/en/latest/about/process/ppa.html)
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@mariogrip come Marius, we're waiting for Edge channel for Oneplus 3 and Oneplus 5. Let me know once is up and running, I'll test it straight away, same for Anbox.
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I sustain the edge channel @alan_g for a variety of reasons:
- We are a small team, we cannot guarantee that things being pushed will not break the entire image. We lack auto and manual testing a lot, we cannot work with silos etc.
- For some scenarios its very cumbersome to having install various packages from various branches at the same time to the phone
- devel has become actually quite a "stable devel" and we want to keep it as described for the changes where we are sure that they will not break the whole image. People should not expect having to reflash their phones after a devel channel update going wrong.
- This channel will not be on the phone for people to "just switch" to it.
- I do not see much issues with yet another channel coming for devs, the low-level devs will use it, but middleware/Ui etc can stay on devel probably.
BR
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From what is being said I understand the following:
- Differences are too big to just make a new "edge" channel of existing 16.04. It cannot be mixed with existing devices yet.
- Also the way this would interconnect with normal 16.04 devel > rc > stable cycle is unclear
A different way to handle it would be make it independently coexist like 15.04 and 16.04 do. A third option 16.04.halium with its own devel > rc > stable cycle could be a way.
However since this is not only about halium itself but also other related sub projects this does not completely solve the problem. Maybe for this additionally using the "branches" mentioned by @mariogrip could be a way?
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This channel would be useless to me and to many other developers, but if it brings benefits to halium developers, then why not. But then, why not call it "halium", "porters" or some other name that makes it clear what its target audience is?
"edge" to me means "more ahead than devel", but there's again the assumption that packages from this channel will eventually end up in "devel", "rc" and "stable"; so, I would suggest a different, more specific name.
