From 2ff739a6ac4adb44f7ea0f534087ee7276302eee Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Thu, 29 Apr 2021 03:07:47 +0900
Subject: [PATCH] kernel-insteall: do not remove the first slash in $ENTRY_DIR

Follow-up for cd0d230e7bf87f979722de7e364619dfa71bd6a2.

Fixes #19456.
---
 src/kernel-install/90-loaderentry.install | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/kernel-install/90-loaderentry.install b/src/kernel-install/90-loaderentry.install
index e6c7e99e650..75218d0deea 100644
--- a/src/kernel-install/90-loaderentry.install
+++ b/src/kernel-install/90-loaderentry.install
@@ -36,7 +36,11 @@ MACHINE_ID=$KERNEL_INSTALL_MACHINE_ID
 
 BOOT_ROOT=${ENTRY_DIR_ABS%/$MACHINE_ID/$KERNEL_VERSION}
 BOOT_MNT=$(stat -c %m $BOOT_ROOT)
-ENTRY_DIR=${ENTRY_DIR_ABS#$BOOT_MNT}
+if [[ $BOOT_MNT == '/' ]]; then
+    ENTRY_DIR=$ENTRY_DIR_ABS
+else
+    ENTRY_DIR=${ENTRY_DIR_ABS#$BOOT_MNT}
+fi
 
 if [[ $COMMAND == remove ]]; then
     rm -f "$BOOT_ROOT/loader/entries/$MACHINE_ID-$KERNEL_VERSION.conf"
-- 
2.47.3