From 4079a0cb4c5b2e5807f4b25f0bb98924c5d15da0 Mon Sep 17 00:00:00 2001
From: guochao <jeffguorg@gmail.com>
Date: Tue, 7 Nov 2023 09:59:08 +0800
Subject: [PATCH] improvement by using systemctl kexec if possible

---
 nixos-kexec-profile.sh | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/nixos-kexec-profile.sh b/nixos-kexec-profile.sh
index b54db2f..31dedd0 100644
--- a/nixos-kexec-profile.sh
+++ b/nixos-kexec-profile.sh
@@ -78,6 +78,9 @@ while [[ $# -gt 0 ]]; do
         -b|--boot)
             BOOT=y
             ;;
+        -*|--*)
+            fail "unrecognized option"
+            ;;
         *)
             if set-target "$opt"; then
                 :
@@ -137,5 +140,10 @@ fi
 run kexec -l --initrd=$INITRD --command-line="$CMDLINE" $KERNEL
 
 if [ $BOOT == y ]; then
-    run kexec -e
+    sync
+    if type systemctl &> /dev/null; then
+        systemctl kexec
+    else
+        run kexec -e
+    fi
 fi