started draft for installer

build-installer.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+
+while [ $# -gt 0 ]; do
+  case "$1" in
+    --flake*|-f*)
+      if [[ "$1" != *=* ]]; then shift; fi
+      flake="${1#*=}"
+      ;;
+    # --user*|-u*)
+    #   if [[ "$1" != *=* ]]; then shift; fi
+    #   user="${1#*=}"
+    #   ;;
+    --help|-h)
+      echo "--help -h: print this message"
+      echo "--flake -f: set the flake to build an installer for"
+    #   echo "--user -u: set the user to install flake as on the target system"
+      exit 0
+      ;;
+    *)
+      echo "Error: Invalid argument $1"
+      exit 1
+      ;;
+  esac
+  shift
+done
+
+flake=${flake:-"basic"}
+user=${user:-$USER}
+
+nix build .#installerConfigurations.$flake.config.system.build.isoImage