From ed50db379d0fa86eec0a15ceb337bf99add37623 Mon Sep 17 00:00:00 2001
From: Javier Martinez Canillas <javierm@redhat.com>
Date: Wed, 11 Apr 2018 13:48:47 +0200
Subject: [PATCH] Make 20-grub.install to generate debug BLS when MAKEDEBUG is
 set

If MAKEDEBUG=yes in /etc/sysconfig/kernel, then a debug menu entry should
be created. So for BLS, a debug configuration file has to be created that
contains debug kernel command line parameters.

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
---
 20-grub.install | 18 +++++++++++++++++-
 grub2.spec      |  5 ++++-
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/20-grub.install b/20-grub.install
index f7b94b8..ad507f5 100755
--- a/20-grub.install
+++ b/20-grub.install
@@ -83,6 +83,19 @@ case "$COMMAND" in
                     "$(date -u +%Y%m%d%H%M%S -d "$(stat -c '%y' "${KERNEL_DIR}")")" \
                     >"${BLS_TARGET}"
             fi
+
+            eval "$(grub2-get-kernel-settings)" || true
+            if [ "x$GRUB_LINUX_MAKE_DEBUG" = "xtrue" ]; then
+                ARCH="$(uname -m)"
+                BLS_DEBUG="$(echo ${BLS_TARGET} | sed -e "s/\.${ARCH}/-debug.${ARCH}/")"
+                cp -aT  "${BLS_TARGET}" "${BLS_DEBUG}"
+                TITLE="$(grep '^title[ \t]' "${BLS_DEBUG}" | sed -e 's/^title[ \t]*//')"
+                BLSID="$(grep '^id[ \t]' "${BLS_DEBUG}" | sed -e "s/\.${ARCH}/-debug.${ARCH}/")"
+                sed -i -e "s/^title.*/title ${TITLE}${GRUB_LINUX_DEBUG_TITLE_POSTFIX}/" "${BLS_DEBUG}"
+                sed -i -e "s/^id.*/${BLSID}/" "${BLS_DEBUG}"
+                sed -i -e "s/^options.*/options \$kernelopts ${GRUB_CMDLINE_LINUX_DEBUG}/" "${BLS_DEBUG}"
+	    fi
+
             exit 0
         fi
 
@@ -95,7 +108,10 @@ case "$COMMAND" in
     remove)
 
         if [[ "x${GRUB_ENABLE_BLSCFG}" = "xtrue" ]] || [[ ! -f /sbin/new-kernel-pkg ]]; then
-            rm -f "${BLS_DIR}/${MACHINE_ID}-${KERNEL_VERSION}.conf"
+            ARCH="$(uname -m)"
+            BLS_TARGET="${BLS_DIR}/${MACHINE_ID}-${KERNEL_VERSION}.conf"
+            BLS_DEBUG="$(echo ${BLS_TARGET} | sed -e "s/\.${ARCH}/-debug.${ARCH}/")"
+            rm -f "${BLS_TARGET}" "${BLS_DEBUG}"
 
             for i in vmlinuz System.map config zImage.stub dtb; do
                 rm -rf "/boot/${i}-${KERNEL_VERSION}"
diff --git a/grub2.spec b/grub2.spec
index c7d25c1..d22ea79 100644
--- a/grub2.spec
+++ b/grub2.spec
@@ -7,7 +7,7 @@
 Name:		grub2
 Epoch:		1
 Version:	2.02
-Release:	31%{?dist}
+Release:	32%{?dist}
 Summary:	Bootloader with support for Linux, Multiboot and more
 Group:		System Environment/Base
 License:	GPLv3+
@@ -452,6 +452,9 @@ fi
 %endif
 
 %changelog
+* Wed Apr 11 2018 Javier Martinez Canillas <javierm@redhat.com> - 2.02-32
+- Make 20-grub.install to generate debug BLS when MAKEDEBUG is set.
+
 * Fri Apr 06 2018 Peter Jones <pjones@redhat.com> - 2.02-31
 - Pull in some TPM fixes I missed.