zfs: fix boot on non-zfs-root systems

srcpkgs/zfs/patches/0002-fix-dracut-root.patch

@@ -0,0 +1,56 @@
+From eefe83eaa68f7cb4a49c580dd940d3688e42c849 Mon Sep 17 00:00:00 2001
+From: Toyam Cox <aviator45003@gmail.com>
+Date: Thu, 30 Jun 2022 13:47:58 -0400
+Subject: [PATCH] dracut: fix boot on non-zfs-root systems
+
+Simply prevent overwriting root until it needs to be overwritten.
+
+Dracut could change this value before this module is called, but won't
+change the kernel command line.
+
+Reviewed-by: Andrew J. Hesford <ajh@sideband.org>
+Signed-off-by: Toyam Cox <vaelatern@voidlinux.org>
+Closes #13592
+---
+ contrib/dracut/90zfs/zfs-lib.sh.in | 10 +++++-----
+ 1 file changed, 5 insertions(+), 5 deletions(-)
+
+diff --git a/contrib/dracut/90zfs/zfs-lib.sh.in b/contrib/dracut/90zfs/zfs-lib.sh.in
+index e44673c2d75..3a43e514d6f 100755
+--- a/contrib/dracut/90zfs/zfs-lib.sh.in
++++ b/contrib/dracut/90zfs/zfs-lib.sh.in
+@@ -88,11 +88,11 @@ decode_root_args() {
+         return
+     fi
+ 
+-    root=$(getarg root=)
++    xroot=$(getarg root=)
+     rootfstype=$(getarg rootfstype=)
+ 
+     # shellcheck disable=SC2249
+-    case "$root" in
++    case "$xroot" in
+         ""|zfs|zfs:|zfs:AUTO)
+             root=zfs:AUTO
+             rootfstype=zfs
+@@ -100,7 +100,7 @@ decode_root_args() {
+             ;;
+ 
+         ZFS=*|zfs:*)
+-            root="${root#zfs:}"
++            root="${xroot#zfs:}"
+             root="${root#ZFS=}"
+             root=$(echo "$root" | tr '+' ' ')
+             rootfstype=zfs
+@@ -109,9 +109,9 @@ decode_root_args() {
+     esac
+ 
+     if [ "$rootfstype" = "zfs" ]; then
+-        case "$root" in
++        case "$xroot" in
+             "") root=zfs:AUTO ;;
+-            *)  root=$(echo "$root" | tr '+' ' ') ;;
++            *)  root=$(echo "$xroot" | tr '+' ' ') ;;
+         esac
+         return 0
+     fi

srcpkgs/zfs/template

@@ -1,7 +1,7 @@
 # Template file for 'zfs'
 pkgname=zfs
 version=2.1.5
-revision=1
+revision=2
 build_style=gnu-configure
 configure_args="--with-config=user --with-mounthelperdir=/usr/bin
  --with-udevdir=/usr/lib/udev --with-udevruledir=/usr/lib/udev/rules.d