Experimental legacy boot autoinstall

install.sh

@@ -13,6 +13,8 @@ if [ -d /sys/firmware/efi/efivars ]; then
     sed -i "0,/bootMode.*=.*\".*\";/s//bootMode = \"uefi\";/" ~/.dotfiles/flake.nix
 else
     sed -i "0,/bootMode.*=.*\".*\";/s//bootMode = \"bios\";/" ~/.dotfiles/flake.nix
+    grubDevice=$(findmnt / | awk -F' ' '{ print $2 }' | sed 's/\[.*\]//g' | tail -n 1 | lsblk -no pkname | tail -n 1 )
+    sed -i "0,/grubDevice.*=.*\".*\";/s//grubDevice = \"\/dev\/$grubDevice\";/" ~/.dotfiles/flake.nix
 fi
 
 # Patch flake.nix with different username/name and remove email by default