From 01b5b0ffb4b75b85a169003d917fbb917bafc5b1 Mon Sep 17 00:00:00 2001
From: Michael Prokop <mika@grml.org>
Date: Tue, 19 Jan 2021 23:18:54 +0100
Subject: [PATCH] Support F2FS in VMs by including f2fs driver in grub-mkimage

Thanks: Paul Menzel for bugreport and bugfix
Closes: grml/grml-debootstrap#164
---
 grml-debootstrap | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/grml-debootstrap b/grml-debootstrap
index 1546300..e51f7bf 100755
--- a/grml-debootstrap
+++ b/grml-debootstrap
@@ -1531,7 +1531,16 @@ if [[ -z "${GRUB}" ]] || ! dd if="${GRUB}" bs=512 count=1 2>/dev/null | cat -v |
       ;;
   esac
   dd if="${MNTPOINT}/usr/lib/grub/i386-pc/boot.img" of="${ORIG_TARGET}" conv=notrunc bs=440 count=1
-  chroot "${MNTPOINT}" grub-mkimage -O i386-pc -p "(hd0,msdos1)/boot/grub" -o /tmp/core.img biosdisk part_msdos ext2
+  case "${_opt_filesystem}" in
+    f2fs)
+      chroot "${MNTPOINT}" grub-mkimage -O i386-pc -p "(hd0,msdos1)/boot/grub" -o /tmp/core.img biosdisk part_msdos f2fs
+      ;;
+      # NOTE - we might need to distinguish between further filesystems
+      *)
+      chroot "${MNTPOINT}" grub-mkimage -O i386-pc -p "(hd0,msdos1)/boot/grub" -o /tmp/core.img biosdisk part_msdos ext2
+      ;;
+  esac
+
   dd if="${MNTPOINT}/tmp/core.img" of="${ORIG_TARGET}" conv=notrunc seek=1
   rm -f "${MNTPOINT}/tmp/core.img"
 fi
-- 
2.1.4