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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. Make sure the patch version offset thingy matches gentoo-kernel.
    2. Make sure config version is the same.
    3. Make sure the config hash is the same.
    4. Make sure ebuild applies config changes with ebuild libre-kernel-X.Y.Z.ebuild clean prepare.
  5. Run pkgdev manifest to have portage download the libre kernel files and update the manifest.
  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.
  7. Update virtual/dist-kernel package to new version, by copying the proper dist-kernel ebuild from the gentoo repo, and adding sys-kernel/libre-kernel to its list of possible deps.
  8. Make sure virtual/linux-sources is up to date. This package rarely changes, but updating it follows the same procedure as virtual/dist-kernel.

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