!53 bring back 51-dracut-rescue-postinst.sh for rescue mode

From: @panxh_purple 
Reviewed-by: @overweight 
Signed-off-by: @overweight

backport-Bring-back-51-dracut-rescue-postinst.sh.patch

@@ -0,0 +1,91 @@
+From 819ea3865161d440353b2f961f3dfeaabeed333d Mon Sep 17 00:00:00 2001
+From: Harald Hoyer <harald@redhat.com>
+Date: Thu, 26 Jul 2018 12:49:45 +0200
+Subject: [PATCH] Bring back 51-dracut-rescue-postinst.sh
+
+can only be obsoleted after F30
+
+Reference:https://github.com/dracutdevs/dracut/commit/819ea3865161d440353b2f961f3dfeaabeed333d
+Conflict:delete contents of dracut.spec
+---
+ 51-dracut-rescue-postinst.sh | 68 ++++++++++++++++++++++++++++++++++++++++++++
+ 1 file changed, 68 insertions(+)
+ create mode 100755 51-dracut-rescue-postinst.sh
+
+diff --git a/51-dracut-rescue-postinst.sh b/51-dracut-rescue-postinst.sh
+new file mode 100755
+index 0000000..67f5b71
+--- /dev/null
++++ b/51-dracut-rescue-postinst.sh
+@@ -0,0 +1,68 @@
++#!/bin/bash
++
++export LANG=C
++
++KERNEL_VERSION="$1"
++KERNEL_IMAGE="$2"
++
++[[ -f /etc/os-release ]] && . /etc/os-release
++
++if [[ ! -f /etc/machine-id ]] || [[ ! -s /etc/machine-id ]]; then
++    systemd-machine-id-setup
++fi
++
++[[ -f /etc/machine-id ]] && read MACHINE_ID < /etc/machine-id
++
++[[ $MACHINE_ID ]] || exit 1
++[[ -f $KERNEL_IMAGE ]] || exit 1
++
++INITRDFILE="/boot/initramfs-0-rescue-${MACHINE_ID}.img"
++NEW_KERNEL_IMAGE="${KERNEL_IMAGE%/*}/vmlinuz-0-rescue-${MACHINE_ID}"
++
++[[ -f $INITRDFILE ]] && [[ -f $NEW_KERNEL_IMAGE ]] && exit 0
++
++dropindirs_sort()
++{
++    suffix=$1; shift
++    args=("$@")
++    files=$(
++        while (( $# > 0 )); do
++            for i in ${1}/*${suffix}; do
++                [[ -f $i ]] && echo ${i##*/}
++            done
++            shift
++        done | sort -Vu
++    )
++
++    for f in $files; do
++        for d in "${args[@]}"; do
++            if [[ -f "$d/$f" ]]; then
++                echo "$d/$f"
++                continue 2
++            fi
++        done
++    done
++}
++
++# source our config dir
++for f in $(dropindirs_sort ".conf" "/etc/dracut.conf.d" "/usr/lib/dracut/dracut.conf.d"); do
++    [[ -e $f ]] && . "$f"
++done
++
++[[ $dracut_rescue_image != "yes" ]] && exit 0
++
++if [[ ! -f $INITRDFILE ]]; then
++    dracut --no-hostonly -a "rescue" "$INITRDFILE" "$KERNEL_VERSION"
++    ((ret+=$?))
++fi
++
++if [[ ! -f $NEW_KERNEL_IMAGE ]]; then
++    cp --reflink=auto "$KERNEL_IMAGE" "$NEW_KERNEL_IMAGE"
++    ((ret+=$?))
++fi
++
++new-kernel-pkg --install "$KERNEL_VERSION" --kernel-image "$NEW_KERNEL_IMAGE" --initrdfile "$INITRDFILE" --banner "$NAME $VERSION_ID Rescue $MACHINE_ID"
++
++((ret+=$?))
++
++exit $ret
+-- 
+1.8.3.1
+

dracut.spec

@@ -9,7 +9,7 @@
 
 Name: dracut
 Version: 055
-Release: 4
+Release: 5
 
 Summary: Initramfs generator using udev
 
@@ -38,6 +38,7 @@ Patch11: backport-feat-lvm-update-lvm-command-options.patch
 Patch12: backport-feat-lvm-use-generated-filter-when-none-is-set.patch
 Patch13: backport-feat-lvm-only-run-lvchange-for-LV-that-is-seen-on-de.patch
 Patch14: backport-fix-lvm-restore-setting-LVM_MD_PV_ACTIVATED.patch
+Patch15: backport-Bring-back-51-dracut-rescue-postinst.sh.patch
 
 Source1: https://www.gnu.org/licenses/lgpl-2.1.txt
 Source2: openEuler.conf.example
@@ -282,6 +283,9 @@ rm -f -- $RPM_BUILD_ROOT%{_bindir}/lsinitrd
 %if 0%{?openEuler} || 0%{?fedora} || 0%{?rhel}
 echo 'hostonly="no"' > $RPM_BUILD_ROOT%{dracutlibdir}/dracut.conf.d/02-generic-image.conf
 echo 'dracut_rescue_image="yes"' > $RPM_BUILD_ROOT%{dracutlibdir}/dracut.conf.d/02-rescue.conf
+
+mkdir -p $RPM_BUILD_ROOT%{_sysconfdir}/kernel/postinst.d
+install -m 0755 51-dracut-rescue-postinst.sh $RPM_BUILD_ROOT%{_sysconfdir}/kernel/postinst.d/51-dracut-rescue-postinst.sh
 %endif
 
 %files
@@ -504,9 +508,13 @@ echo 'dracut_rescue_image="yes"' > $RPM_BUILD_ROOT%{dracutlibdir}/dracut.conf.d/
 %{dracutlibdir}/dracut.conf.d/02-rescue.conf
 %if 0%{?openEuler} || 0%{?fedora} || 0%{?rhel}
 %{_prefix}/lib/kernel/install.d/51-dracut-rescue.install
+%{_sysconfdir}/kernel/postinst.d/51-dracut-rescue-postinst.sh
 %endif
 
 %changelog
+* Mon Apr 11 2022 panxiaohe <panxh.life@foxmail.com> - 055-5
+- bring back 51-dracut-rescue-postinst.sh for rescue mode
+
 * Wed Feb 16 2022 panxiaohe <panxiaohe@h-partners.com> - 055-4
 - backport patches from upstream: improve lvm module