Fix removal of key system files when kdump enabled (#1936781)

0001-Partially-revert-41cfdfc-to-fix-RHBZ-1936781-per-ryn.patch

@@ -0,0 +1,31 @@
+From 9db78bc16fc66d1200ab032bd667809a4404c869 Mon Sep 17 00:00:00 2001
+From: Adam Williamson <awilliam@redhat.com>
+Date: Mon, 19 Apr 2021 08:33:38 -0700
+Subject: [PATCH] Partially revert 41cfdfc to fix RHBZ #1936781 per @ryncsn
+
+Signed-off-by: Adam Williamson <awilliam@redhat.com>
+---
+ dracut.sh | 7 +++++--
+ 1 file changed, 5 insertions(+), 2 deletions(-)
+
+diff --git a/dracut.sh b/dracut.sh
+index 062ed6c1..71942ce1 100755
+--- a/dracut.sh
++++ b/dracut.sh
+@@ -2059,8 +2059,11 @@ if dracut_module_included "squash"; then
+ 
+     # Remove duplicated files
+     for folder in "${squash_candidate[@]}"; do
+-        find "$initdir/$folder/" -not -type d \
+-            -exec bash -c 'mv -f "$squash_dir${1#$initdir}" "$1"' -- "{}" \;
++        for file in $(find $initdir/$folder/ -not -type d); do
++            if [[ -e $squash_dir${file#$initdir} ]]; then
++                mv -f $squash_dir${file#$initdir} $file
++            fi
++        done
+     done
+ fi
+ 
+-- 
+2.31.1
+

dracut.spec

@@ -5,7 +5,7 @@
 # strip the automatically generated dep here and instead co-own the
 # directory.
 %global __requires_exclude pkg-config
-%define dist_free_release 2
+%define dist_free_release 3
 
 Name: dracut
 Version: 053
@@ -36,6 +36,9 @@ Source1: https://www.gnu.org/licenses/lgpl-2.1.txt
 # https://bugzilla.redhat.com/show_bug.cgi?id=1946074
 # https://bugzilla.redhat.com/show_bug.cgi?id=1945596
 Patch0: 0001-fix-network-manager-no-default-deps-for-nm-run.servi.patch
+# https://bugzilla.redhat.com/show_bug.cgi?id=1936781#c6
+# Should fix loss of critical system files with kdump enabled
+Patch1: 0001-Partially-revert-41cfdfc-to-fix-RHBZ-1936781-per-ryn.patch
 
 BuildRequires: bash
 BuildRequires: git-core
@@ -485,6 +488,9 @@ echo 'dracut_rescue_image="yes"' > $RPM_BUILD_ROOT%{dracutlibdir}/dracut.conf.d/
 %{_prefix}/lib/kernel/install.d/51-dracut-rescue.install
 
 %changelog
+* Mon Apr 19 2021 Adam Williamson <awilliam@redhat.com> - 053-3
+- Fix removal of key system files when kdump enabled (thanks kasong) (#1936781)
+
 * Thu Apr 08 2021 Adam Williamson <awilliam@redhat.com> - 053-2
 - Backport upstream change reported to fix boot on some encrypted LVM setups (#1946074)