some changes to simplify the script for my usage

nixos-infect

@@ -4,22 +4,10 @@
 
 set -e -o pipefail
 
-autodetectProvider() {
-  if [ -e /etc/hetzner-build ]; then
-    PROVIDER="hetznercloud"
-  fi
-}
-
 makeConf() {
   # Skip everything if main config already present
   [[ -e /etc/nixos/configuration.nix ]] && return 0
 
-  # Lightsail config is not like the others
-  if [ "$PROVIDER" = "lightsail" ]; then
-    makeLightsailConf
-    return 0
-  fi
-
   # NB <<"EOF" quotes / $ ` in heredocs, <<EOF does not
   mkdir -p /etc/nixos
   # Prevent grep for sending error code 1 (and halting execution) when no lines are selected : https://www.unix.com/man-page/posix/1P/grep
@@ -32,7 +20,7 @@ makeConf() {
   done
   local network_import=""
 
-  [[ -n "$doNetConf" ]] && network_import="./networking.nix # generated at runtime by nixos-infect"
+ network_import="./networking.nix # generated at runtime by nixos-infect"
   cat > /etc/nixos/configuration.nix << EOF
 { ... }: 
   let 
@@ -101,19 +89,9 @@ $bootcfg
 }
 EOF
 
-  [[ -n "$doNetConf" ]] && makeNetworkingConf || true
+  makeNetworkingConf || true
 }
 
-makeLightsailConf() {
-  mkdir -p /etc/nixos
-  cat > /etc/nixos/configuration.nix << EOF
-{ config, pkgs, modulesPath, lib, ... }:
-{
-  imports = [ "\${modulesPath}/virtualisation/amazon-image.nix" ];
-  boot.loader.grub.device = lib.mkForce "/dev/nvme0n1";
-}
-EOF
-}
 
 makeNetworkingConf() {
   # XXX It'd be better if we used procfs for all this...
@@ -393,15 +371,6 @@ infect() {
   /nix/var/nix/profiles/system/bin/switch-to-configuration boot
 }
 
-if [ ! -v PROVIDER ]; then
-  autodetectProvider
-fi
-
-[ "$PROVIDER" = "digitalocean" ] && doNetConf=y # digitalocean requires detailed network config to be generated
-[ "$PROVIDER" = "lightsail" ] && newrootfslabel="nixos"
-if [[ "$PROVIDER" = "digitalocean" ]] || [[ "$PROVIDER" = "servarica" ]] || [[ "$PROVIDER" = "hetznercloud" ]]; then
-	doNetConf=y # some providers require detailed network config to be generated
-fi
 
 checkEnv
 prepareEnv