nixos-anywhere: remove isKexec as /etc/is_kexec is no longer present

nix-community/nixos-images@7d888c1

Author: Enzime

src/get-facts.sh

@@ -7,7 +7,6 @@ isNixos=$(if test -f /etc/os-release && grep -Eq 'ID(_LIKE)?="?nixos"?' /etc/os-
 cat <<FACTS
 isOs=$(uname)
 isArch=$(uname -m)
-isKexec=$(if test -f /etc/is_kexec; then echo "y"; else echo "n"; fi)
 isNixos=$isNixos
 isInstaller=$(if [ "$isNixos" = "y" ] && grep -Eq 'VARIANT_ID="?installer"?' /etc/os-release; then echo "y"; else echo "n"; fi)
 isContainer=$(if [ "$(has systemd-detect-virt)" = "y" ]; then systemd-detect-virt --container; else echo "none"; fi)

src/nixos-anywhere.sh

@@ -46,7 +46,6 @@ envPassword=n
 # Facts set by get-facts.sh
 isOs=
 isArch=
-isKexec=
 isInstaller=
 isContainer=
 hasIpv6Only=
@@ -526,7 +525,7 @@ importFacts() {
   # shellcheck disable=SC2046
   export $(echo "$filteredFacts" | xargs)
 
-  for var in isOs isArch isKexec isInstaller isContainer hasIpv6Only hasTar hasCpio hasSudo hasDoas hasWget hasCurl hasSetsid; do
+  for var in isOs isArch isInstaller isContainer hasIpv6Only hasTar hasCpio hasSudo hasDoas hasWget hasCurl hasSetsid; do
     if [[ -z ${!var} ]]; then
       abort "Failed to retrieve fact $var from host"
     fi
@@ -618,7 +617,7 @@ generateHardwareConfig() {
 }
 
 runKexec() {
-  if [[ ${isKexec} == "y" ]] || [[ ${isInstaller} == "y" ]]; then
+  if [[ ${isInstaller} == "y" ]]; then
     return
   fi