Re: [PR PATCH] [Updated] dracut: add EFI kernel hook

[ericonr <ericonr@users.noreply.github.com>]

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There is an updated pull request by ericonr against master on the void-packages repository

https://github.com/ericonr/void-packages dracut
https://github.com/void-linux/void-packages/pull/22484

dracut: add EFI kernel hook
Also made some small formatting changes.

@ahesford 

A patch file from https://github.com/void-linux/void-packages/pull/22484.patch is attached

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From 298ab485a32995d0852adbcd0d7370ec4135d080 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89rico=20Rolim?= <erico.erc@gmail.com>
Date: Sun, 31 May 2020 21:39:55 -0300
Subject: [PATCH] dracut: add EFI kernel hook

Also made some small formatting changes.
---
 srcpkgs/dracut/files/dracut-uefi-hook.confd   | 19 +++++++++++++
 .../dracut/files/kernel-uefi-hook-postinst    | 28 +++++++++++++++++++
 srcpkgs/dracut/files/kernel-uefi-hook-postrm  | 20 +++++++++++++
 srcpkgs/dracut/template                       | 22 ++++++++++++---
 4 files changed, 85 insertions(+), 4 deletions(-)
 create mode 100644 srcpkgs/dracut/files/dracut-uefi-hook.confd
 create mode 100644 srcpkgs/dracut/files/kernel-uefi-hook-postinst
 create mode 100644 srcpkgs/dracut/files/kernel-uefi-hook-postrm

diff --git a/srcpkgs/dracut/files/dracut-uefi-hook.confd b/srcpkgs/dracut/files/dracut-uefi-hook.confd
new file mode 100644
index 00000000000..9bee61c1530
--- /dev/null
+++ b/srcpkgs/dracut/files/dracut-uefi-hook.confd
@@ -0,0 +1,19 @@
+# Options for the dracut-uefi kernel hook script installed by the dracut package.
+
+CREATE_UEFI_BUNDLES=0
+# To allow dracut to create EFI bundles, set
+#CREATE_UEFI_BUNDLES=1
+# This requires an EFI stub, usually provided by the gummiboot package,
+# as well as setting the kernel command line.
+
+# You can set the kernel command line with
+#KERNEL_CMDLINE="root=..."
+# or by setting kernel_cmdline in a dracut.conf(5) file.
+# If you configure it there, set
+#SKIP_KERNEL_CMDLINE=1
+
+# You can set command line options for the dracut command
+#OPTIONS=
+
+# Output directory for the EFI bundle
+#UEFI_BUNDLE_DIR="/boot/efi/EFI/Void/"
diff --git a/srcpkgs/dracut/files/kernel-uefi-hook-postinst b/srcpkgs/dracut/files/kernel-uefi-hook-postinst
new file mode 100644
index 00000000000..606698dde53
--- /dev/null
+++ b/srcpkgs/dracut/files/kernel-uefi-hook-postinst
@@ -0,0 +1,28 @@
+#!/bin/sh
+#
+# Kernel post-install hook for dracut EFI bundle.
+#
+# Arguments passed to this script: $1 pkgname, $2 version.
+#
+PKGNAME="$1"
+VERSION="$2"
+
+. "${ROOTDIR}/etc/default/dracut-uefi-hook"
+if [ "x${CREATE_UEFI_BUNDLES}" != x1 ]; then
+	exit 0
+fi
+
+if [ ! -x bin/dracut ]; then
+	exit 0
+	fi
+
+if [ -z "${KERNEL_CMDLINE}" ] && [ "x${SKIP_KERNEL_CMDLINE}" != x1 ]; then
+	echo "ERROR: You need to set the kernel command line in /etc/default/dracut-uefi-hook"
+	exit 1
+fi
+
+UEFI_BUNDLE_DIR="${UEFI_BUNDLE_DIR:-boot/efi/EFI/Void}"
+OPTIONS="${OPTIONS} --force --uefi ${UEFI_BUNDLE_DIR}/linux-${VERSION}.efi ${VERSION}"
+
+dracut --kernel-cmdline="${KERNEL_CMDLINE}" ${OPTIONS}
+exit $?
diff --git a/srcpkgs/dracut/files/kernel-uefi-hook-postrm b/srcpkgs/dracut/files/kernel-uefi-hook-postrm
new file mode 100644
index 00000000000..96262222e7d
--- /dev/null
+++ b/srcpkgs/dracut/files/kernel-uefi-hook-postrm
@@ -0,0 +1,20 @@
+#!/bin/sh
+#
+# Kernel post-remove hook for dracut EFI bundle.
+#
+# Arguments passed to this script: $1 pkgname, $2 version.
+#
+PKGNAME="$1"
+VERSION="$2"
+
+. "${ROOTDIR}/etc/default/dracut-uefi-hook"
+if [ "x${CREATE_UEFI_BUNDLES}" != x1 ]; then
+	exit 0
+fi
+
+UEFI_BUNDLE_DIR="${UEFI_BUNDLE_DIR:-boot/efi/EFI/Void}"
+
+if [ -f "${UEFI_BUNDLE_DIR}/linux-${VERSION}.efi" ]; then
+	rm -fv "${UEFI_BUNDLE_DIR}/linux-${VERSION}.efi"
+fi
+exit $?
diff --git a/srcpkgs/dracut/template b/srcpkgs/dracut/template
index 3c6aca0ada6..78b2e0c7807 100644
--- a/srcpkgs/dracut/template
+++ b/srcpkgs/dracut/template
@@ -1,7 +1,7 @@
 # Template file for 'dracut'
 pkgname=dracut
 version=050
-revision=2
+revision=3
 build_style=configure
 configure_args="--prefix=/usr --sysconfdir=/etc"
 conf_files="/etc/dracut.conf"
@@ -16,8 +16,8 @@ distfiles="https://github.com/dracutdevs/dracut/archive/${version}.tar.gz"
 checksum=f9dbf18597e5929221365964293212c8c9ffb7d84529c5a338c834ecab06e333
 
 make_dirs="
-	/etc/dracut.conf.d 0755 root root
-	/usr/lib/dracut/dracut.conf.d 0755 root root"
+ /etc/dracut.conf.d 0755 root root
+ /usr/lib/dracut/dracut.conf.d 0755 root root"
 
 case "$XBPS_TARGET_MACHINE" in
 *-musl) # Add musl-fts implementation
@@ -25,6 +25,13 @@ case "$XBPS_TARGET_MACHINE" in
 	;;
 esac
 
+case "$XBPS_TARGET_MACHINE" in
+	i686*|x86_64*|aarch64*) # EFI bundle config and hooks
+		_efi_bundle=1
+		conf_files+=" /etc/default/dracut-uefi-hook"
+	;;
+esac
+
 do_build() {
 	case "$XBPS_TARGET_MACHINE" in
 		*-musl) make ${makejobs} LDLIBS="-lfts" ;;
@@ -40,6 +47,13 @@ post_install() {
 	# kernel hooks.
 	vinstall ${FILESDIR}/kernel-hook-postinst 755 etc/kernel.d/post-install 20-dracut
 	vinstall ${FILESDIR}/kernel-hook-postrm 755 etc/kernel.d/post-remove 20-dracut
+
+	if [ "${_efi_bundle}" ]; then
+		vinstall ${FILESDIR}/dracut-uefi-hook.confd 644 etc/default dracut-uefi-hook
+		vinstall ${FILESDIR}/kernel-uefi-hook-postinst 755 etc/kernel.d/post-install 20-dracut-uefi
+		vinstall ${FILESDIR}/kernel-uefi-hook-postrm 755 etc/kernel.d/post-remove 20-dracut-uefi
+	fi
+
 	# We don't need the systemd stuff.
 	rm -rf ${DESTDIR}/usr/lib/dracut/modules.d/*systemd*
 	rm -f ${DESTDIR}/usr/share/man/man8/*.service.*
@@ -52,7 +66,7 @@ dracut-network_package() {
 	archs=noarch
 	pkg_install() {
 		for f in 40network 90livenet 95fcoe 95iscsi \
-		    95nbd 95nfs 95zfcp 95znet; do
+			95nbd 95nfs 95zfcp 95znet; do
 			vmove usr/lib/dracut/modules.d/${f}
 		done
 	}