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Update ChibiOS, ChibiOS-Contrib. (#13056)

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* Update ChibiOS, ChibiOS-Contrib.

* Add instructions.

* Wrong remote name

* Explicit version tag.

* Add link to procedure on the breaking changes page.
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Nick Brassel 2021-06-01 08:11:50 +10:00 • committed by GitHub
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# ChibiOS Upgrade Procedure
ChibiOS and ChibiOS-Contrib need to be updated in tandem -- the latter has a branch tied to the ChibiOS version in use and should not be mixed with different versions.
## Getting ChibiOS
* `svn` Initialisation:
* Only needed to be done once
* You might need to separately install `git-svn` package in your OS's package manager
* `git svn init --stdlayout --prefix='svn/' http://svn.osdn.net/svnroot/chibios/`
* `git remote add qmk git@github.com:qmk/ChibiOS.git`
* Updating:
* `git svn fetch`
* First time around this will take several hours
* Subsequent updates will be incremental only
* Tagging example (work out which version first!):
* `git tag -a ver20.3.3 -m ver20.3.3 svn/tags/ver20.3.3`
* `git push qmk ver20.3.3`
* `git tag -a breaking_YYYY_qN -m breaking_YYYY_qN svn/tags/ver20.3.3`
* `git push qmk breaking_YYYY_qN`
## Getting ChibiOS-Contrib
* `git` Initialisation:
* `git clone git@github.com:qmk/ChibiOS-Contrib`
* `git remote add upstream https://github.com/ChibiOS/ChibiOS-Contrib`
* `git checkout -b chibios-20.3.x upstream/chibios-20.3.x`
* Updating:
* `git fetch --all --tags --prune`
* `git checkout chibios-20.3.x`
* `git pull --ff-only`
* `git push origin chibios-20.3.x`
* `git tag -a breaking_YYYY_qN -m breaking_YYYY_qN chibios-20.3.x`
* `git push origin breaking_YYYY_qN`
## Updating submodules
* Update the submodules
* `cd $QMK_FIRMWARE`
* `git checkout develop`
* `git pull --ff-only`
* `git checkout -b chibios-version-bump`
* `cd lib/chibios`
* `git fetch --all --tags --prune`
* `git checkout breaking_YYYY_qN`
* `cd ../chibios-contrib`
* `git fetch --all --tags --prune`
* `git checkout breaking_YYYY_qN`
* Build everything
* `cd $QMK_FIRMWARE`
* `qmk multibuild -j4`
* Make sure there are no errors
* Push to the repo
* `git commit -am 'Update ChibiOS to XXXXXXXXX'`
* `git push --set-upstream origin chibios-version-bump`
* Make a PR to qmk_firmware with the new branch