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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Javier Martinez Canillas <javierm@redhat.com>
Date: Wed, 18 Jul 2018 08:07:37 +0200
Subject: [PATCH] grub-switch-to-blscfg: Only fix boot prefix for non-generated
 BLS files

The BLS files are either copied from /lib/modules/$kernelver/bls.conf or
generated if this file doesn't exist. The shipped bls.conf default path
for the kernel and initramfs is relative to the boot partition.

But in some setups /boot may not be a mount point so in that case the
boot prefix has to be added to the BLS. But we already provide this
prefix for generated BLS files so attempting to add a boot prefix will
lead to a path that contains the boot prefix twice (i.e: /boot/boot).

Reported-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
---
 util/grub-switch-to-blscfg.in | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/util/grub-switch-to-blscfg.in b/util/grub-switch-to-blscfg.in
index 40612e00686..9cf64f8e725 100644
--- a/util/grub-switch-to-blscfg.in
+++ b/util/grub-switch-to-blscfg.in
@@ -236,6 +236,10 @@ for kernelver in $(cd /lib/modules/ ; ls -1) "" ; do
 
     if [ -f "${kernel_dir}/bls.conf" ] ; then
         cp -af "${kernel_dir}/bls.conf" "${bls_target}"
+        if [ -n "${bootprefix}" ]; then
+            sed -i -e "s,^\(linux[^ \t]*[ \t]\+\).*,\1${bootprefix}${linux},g" "${bls_target}"
+            sed -i -e "/^initrd/ s,\([ \t]\+\)\([^ \t]\+\),\1${bootprefix}\2,g" "${bls_target}"
+        fi
     else
         mkbls "${kernelver}" \
             "$(date -u +%Y%m%d%H%M%S -d "$(stat -c '%y' "${kernel_dir}")")" \
@@ -243,11 +247,6 @@ for kernelver in $(cd /lib/modules/ ; ls -1) "" ; do
             >"${bls_target}"
     fi
 
-    if [ -n "${bootprefix}" ]; then
-        sed -i -e "s,^\(linux[^ \t]*[ \t]\+\).*,\1${bootprefix}${linux},g" "${bls_target}"
-        sed -i -e "/^initrd/ s,\([ \t]\+\)\([^ \t]\+\),\1${bootprefix}\2,g" "${bls_target}"
-    fi
-
     if [ "x$GRUB_LINUX_MAKE_DEBUG" = "xtrue" ]; then
         arch="$(uname -m)"
         bls_debug="$(echo ${bls_target} | sed -e "s/\.${arch}/-debug.${arch}/")"