From ebe45dc3dfb80b41ea57767f87060268ecdba2af Mon Sep 17 00:00:00 2001
From: Nico Schottelius <nico@nico-notebook.schottelius.org>
Date: Tue, 22 Feb 2022 19:26:55 +0100
Subject: [PATCH] alpine: enhance uefi support

---
 alpine-install-on-disk.sh | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/alpine-install-on-disk.sh b/alpine-install-on-disk.sh
index 43e0e05..a135c6b 100755
--- a/alpine-install-on-disk.sh
+++ b/alpine-install-on-disk.sh
@@ -138,10 +138,22 @@ EOF
 
 # Setup bootloader
 
-run_root apk add grub-bios
+run_root apk add grub-bios grub-efi
 echo 'GRUB_CMDLINE_LINUX_DEFAULT="quiet rootfstype=ext4"' >> ${rootfs_tmpdir}/etc/default/grub
 run_root grub-mkconfig -o /boot/grub/grub.cfg
-run_root grub-install --target=i386-pc ${DISK}
+
+case "$BOOT_VIA" in
+    bios)
+        run_root grub-install --target=i386-pc ${DISK}
+        ;;
+    efi)
+        run_root grub-install --efi-directory=/boot --no-nvram
+        run_root mkdir /boot/EFI/boot
+        run_root cp /boot/EFI/alpine/grubx64.efi /boot/EFI/boot/bootx64.efi
+        run_root cp /boot/grub/grub.cfg /boot/EFI/boot/
+        ;;
+esac
+
 
 # Cleanup
 run_root rm -f /etc/resolv.conf