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fix: purge shim-signed and clean EFI/BOOT to fix boot failure

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Shim-signed package hooks reinstall shimx64.efi and BOOTX64.CSV
which cause 'Failed to open \EFI\BOOT\' with garbled filenames.
Purge the package before grub-install, then nuke everything from
EFI/BOOT except BOOTX64.EFI and grub.cfg.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Dorian 2026-03-26 17:31:26 +00:00
parent 40fd95407a
commit 17eeb59a2b
1 changed files with 11 additions and 0 deletions
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11
image-recipe/build-auto-installer-iso.sh
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@ -1720,6 +1720,9 @@ if grep -q "^archipelago:[!*]" /mnt/target/etc/shadow 2>/dev/null; then
fi fi
echo " Passwords set for archipelago and root users" echo " Passwords set for archipelago and root users"
# Remove shim-signed before grub-install to prevent hooks re-creating shim files
chroot /mnt/target dpkg --purge shim-signed shim-helpers-amd64-signed shim-helpers-arm64-signed 2>/dev/null || true
# UEFI boot: install to fallback path (/EFI/BOOT/BOOTX64.EFI) for maximum compatibility # UEFI boot: install to fallback path (/EFI/BOOT/BOOTX64.EFI) for maximum compatibility
echo " Installing UEFI bootloader..." echo " Installing UEFI bootloader..."
if chroot /mnt/target grub-install --target=${GRUB_TARGET} --efi-directory=/boot/efi --bootloader-id=archipelago --removable; then if chroot /mnt/target grub-install --target=${GRUB_TARGET} --efi-directory=/boot/efi --bootloader-id=archipelago --removable; then
@ -1754,6 +1757,14 @@ for shim_file in shimx64.efi mmx64.efi fbx64.efi BOOTX64.CSV shimaa64.efi mmaa64
done done
# Also remove vendor-specific EFI directory (shim creates /EFI/archipelago/) # Also remove vendor-specific EFI directory (shim creates /EFI/archipelago/)
rm -rf "/mnt/target/boot/efi/EFI/archipelago" 2>/dev/null || true rm -rf "/mnt/target/boot/efi/EFI/archipelago" 2>/dev/null || true
# Nuclear cleanup: remove everything except the GRUB binary from EFI/BOOT
if [ -d "$EFI_BOOT_DIR" ]; then
for f in "$EFI_BOOT_DIR"/*; do
[ "$(basename "$f")" = "$EFI_BOOT_BINARY" ] && continue
[ "$(basename "$f")" = "grub.cfg" ] && continue
rm -f "$f" 2>/dev/null && echo " Removed: $(basename "$f")"
done
fi
if [ -f "$EFI_BOOT_DIR/$EFI_BOOT_BINARY" ]; then if [ -f "$EFI_BOOT_DIR/$EFI_BOOT_BINARY" ]; then
echo " ✅ UEFI boot binary present: $EFI_BOOT_DIR/$EFI_BOOT_BINARY" echo " ✅ UEFI boot binary present: $EFI_BOOT_DIR/$EFI_BOOT_BINARY"
ls -la "$EFI_BOOT_DIR/" ls -la "$EFI_BOOT_DIR/"