From 416390f6dd443cd411f52b9c3fc41e50c5d3e8d6 Mon Sep 17 00:00:00 2001
From: lassulus <lassulus@lassul.us>
Date: Thu, 10 Nov 2022 16:46:53 +0100
Subject: [PATCH] check if tar exists on target system

---
 nixos-remote | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/nixos-remote b/nixos-remote
index c0bfb9b..0ce10ed 100755
--- a/nixos-remote
+++ b/nixos-remote
@@ -87,6 +87,10 @@ fetch(){
     exit 1
   fi
 }
+if command -v tar >/dev/null 2>&1; then
+  echo "no tar command found, but required to unpack kexec tarball" >&2
+  exit 1
+fi
 rm -rf /root/kexec
 mkdir -p /root/kexec
 fetch "$kexec_url" | tar -C /root/kexec -xvzf-