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Remove unnecessary GRUB userspace tools and other files (#3887)

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Because the OTA hooks interact with GRUB environment using grub-editenv, we
have BR2_TARGET_GRUB2_INSTALL_TOOLS enabled. However, that brings massive bloat
of files that are never used in HAOS, as it also installs many other binaries,
GRUB modules and translations.

As it's not possible to configure what gets installed in grub2 package, remove
the undesired files in the post-build function. This brings savings of ~8.5MB
of space in the root partition.
This commit is contained in:
Jan Čermák 2025-02-20 17:50:21 +01:00 committed by GitHub
parent e158fbc834
commit 664ae4ebfc
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1 changed files with 9 additions and 0 deletions
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9
buildroot-external/scripts/rootfs-layer.sh
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@ -26,6 +26,15 @@ function fix_rootfs() {
# Use systemd-resolved for Host OS resolve
sed -i '/^hosts:/ {/resolve/! s/files/resolve [!UNAVAIL=return] files/}' "${TARGET_DIR}/etc/nsswitch.conf"
# Remove unnecessary grub userspace tools, config, modules and translations
find "${TARGET_DIR}"/usr/{,s}bin -name "grub-*" -not -name "grub-editenv" -delete
rm -rf "${TARGET_DIR}/etc/grub.d"
rm -rf "${TARGET_DIR}/usr/lib/grub"
if [ -d "${TARGET_DIR}/share/locale" ]; then
find "${TARGET_DIR}/share/locale" -name "grub.mo" -delete
find "${TARGET_DIR}/share/locale" -type d -empty -delete
fi
}