projectmoon-overlay/docs/Updating-Kernel-Ebuild.md

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How to update the Linux-libre Kernel ebuild for a new version

  1. Check for new stable version of gentoo-kernel on packages.gentoo.org.
  2. If so, version bump libre-kernel ebuild to match new gentoo-kernel version.
  3. Check the gentoo-kernel ebuild for changes to the Gentoo config and patches versions.
  4. If the Gentoo patchset version has changed:
    1. Update the patchset version in the libre-kernel ebuild.
    2. Extract the patchset from the gentoo-kernel ebuild and see if there are any new patches, or patches removed.
    3. Most patches aside from the 1000- series that patch the entire kernel should work.
    4. Add all new patches that apply to the patchset in the ebuild.
    5. Make sure ebuild applies patches with ebuild libre-kernel-X.Y.Z.ebuild clean prepare.
  5. If the Gentoo config version has changed: 5. Update the config version in the libre-kernel ebuild. 6. Make sure ebuild applies config changes with ebuild libre-kernel-X.Y.Z.ebuild clean prepare.
  6. Attempt to build the kernel using ebuild libre-kernel-X.Y.Z.ebuild clean merge. You might need to use sudo or doas for this.

If the build succeeds, the new ebuild can be pushed to the repository.