From 702f2b287a98e707f26082ef18a2f7e281d70585 Mon Sep 17 00:00:00 2001
From: Louis Abel <label@rockylinux.org>
Date: Mon, 29 Aug 2022 00:20:29 -0700
Subject: [PATCH] attempt to use fedora style parts

---
 Rocky-9-GenericCloud.ks | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/Rocky-9-GenericCloud.ks b/Rocky-9-GenericCloud.ks
index d8d877b..312c72d 100644
--- a/Rocky-9-GenericCloud.ks
+++ b/Rocky-9-GenericCloud.ks
@@ -16,9 +16,14 @@ rootpw --iscrypted thereisnopasswordanditslocked
 
 # Partition stuff
 zerombr
-clearpart --all --initlabel 
-reqpart
-part / --fstype="xfs" --mkfsoptions "-m bigtime=0,inobtcount=0" --ondisk=vda --size=8000
+clearpart --all --initlabel --disklabel=gpt
+#reqpart
+# This should allow BIOS, UEFI, and PReP booting. Trying to be as universal as
+# possible. This is a similar setup to Fedora without the btrfs.
+part prepboot  --size=4    --fstype=prepboot
+part biosboot  --size=1    --fstype=biosboot
+part /boot/efi --size=100  --fstype=efi
+part /         --size=8000 --fstype="xfs" --mkfsoptions "-m bigtime=0,inobtcount=0"
 shutdown
 
 %packages
@@ -82,6 +87,14 @@ qemu-guest-agent
 passwd -d root
 passwd -l root
 
+# Attempting to force legacy BIOS boot if we boot from UEFI
+if [ "$(arch)" = "x86_64" ];
+  grub2-install --target=i386-pc /dev/vda
+fi
+
+# Ensure that the pmbr_boot flag is off
+parted /dev/vda disk_set pmbr_boot off
+
 # setup systemd to boot to the right runlevel
 rm -f /etc/systemd/system/default.target
 ln -s /lib/systemd/system/multi-user.target /etc/systemd/system/default.target