From fcb9ecdc3dc77da03db79fa74fa458c4e5808c16 Mon Sep 17 00:00:00 2001
From: Zen <z@pyl.onl>
Date: Thu, 4 Jul 2024 13:05:38 -0500
Subject: [PATCH] sys-kernel/installkernel: Add UGRD USE functions to
 installkernel-39.

Signed-off-by: Zen <z@pyl.onl>
Signed-off-by: Andrew Ammerlaan <andrewammerlaan@gentoo.org>
---
 ...nstallkernel-39-r1.ebuild => installkernel-39-r2.ebuild} | 6 +++++-
 sys-kernel/installkernel/metadata.xml                       | 3 ++-
 2 files changed, 7 insertions(+), 2 deletions(-)
 rename sys-kernel/installkernel/{installkernel-39-r1.ebuild => installkernel-39-r2.ebuild} (96%)

diff --git a/sys-kernel/installkernel/installkernel-39-r1.ebuild b/sys-kernel/installkernel/installkernel-39-r2.ebuild
similarity index 96%
rename from sys-kernel/installkernel/installkernel-39-r1.ebuild
rename to sys-kernel/installkernel/installkernel-39-r2.ebuild
index 719dc80ce7be9..2b11a30d57c55 100644
--- a/sys-kernel/installkernel/installkernel-39-r1.ebuild
+++ b/sys-kernel/installkernel/installkernel-39-r2.ebuild
@@ -17,12 +17,13 @@ S="${WORKDIR}/${PN}-gentoo-${PV}"
 LICENSE="GPL-2+"
 SLOT="0"
 KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~x86-linux"
-IUSE="dracut efistub grub refind systemd systemd-boot uki ukify"
+IUSE="dracut efistub grub refind systemd systemd-boot ugrd uki ukify"
 REQUIRED_USE="
 	?? ( efistub grub systemd-boot )
 	refind? ( !systemd-boot !grub )
 	systemd-boot? ( systemd )
 	ukify? ( uki )
+	?? ( dracut ugrd )
 "
 # Only select one flag that sets "layout=", except for uki since grub,
 # systemd-boot, and efistub booting are all compatible with UKIs and
@@ -77,6 +78,7 @@ RDEPEND="
 			sys-apps/systemd-utils[boot(-),ukify(-)]
 		)
 	)
+	ugrd? ( sys-kernel/ugrd )
 	!=sys-apps/systemd-255.2-r1
 	!=sys-apps/systemd-255.2-r0
 	!~sys-apps/systemd-255.1
@@ -141,6 +143,8 @@ src_install() {
 				echo "uki_generator=none" >> "${T}/install.conf" || die
 			fi
 		fi
+	elif use ugrd; then
+		echo "initrd_generator=ugrd" >> "${T}/install.conf" || die
 	else
 		echo "initrd_generator=none" >> "${T}/install.conf" || die
 	fi
diff --git a/sys-kernel/installkernel/metadata.xml b/sys-kernel/installkernel/metadata.xml
index ba5cbd9d67649..70634cd58829b 100644
--- a/sys-kernel/installkernel/metadata.xml
+++ b/sys-kernel/installkernel/metadata.xml
@@ -6,12 +6,13 @@
 		<name>Distribution Kernel Project</name>
 	</maintainer>
 	<use>
-		<flag name="dracut">Generate an initrd or UKI on each kernel installation</flag>
+		<flag name="dracut">Generate an initramfs or UKI on each kernel installation</flag>
 		<flag name="efistub">EXPERIMENTAL: Update UEFI configuration on each kernel installation</flag>
 		<flag name="grub">Re-generate grub.cfg on each kernel installation, used grub.cfg is overridable with GRUB_CFG env var</flag>
 		<flag name="refind">Install a Gentoo icon for rEFInd alongside the (unified) kernel image, used icon is overridable with REFIND_ICON env var</flag>
 		<flag name="systemd">Use systemd's kernel-install to install kernels, overridable with SYSTEMD_KERNEL_INSTALL env var</flag>
 		<flag name="systemd-boot">Use systemd-boot's native layout by default</flag>
+		<flag name="ugrd">Generate an initramfs using UGRD on each kernel installation</flag>
 		<flag name="uki">Install UKIs to ESP/EFI/Linux for EFI stub booting and/or bootloaders with support for auto-discovering UKIs</flag>
 		<flag name="ukify">Build an UKI with systemd's ukify on each kernel installation</flag>
 	</use>