use resholve

pkgs/bootstrap/archlinux/default.nix

@@ -6,6 +6,8 @@
   writeText,
   writeShellApplication,
 
+  resholve,
+
   bash,
   cacert,
   coreutils,
@@ -44,12 +46,18 @@
 
   pacman_conf = concatText "pacman.conf" [ "${pacman}/etc/pacman.conf" pacman_conf_in ];
 
-  bootstrap = writeShellApplication {
-    name = "archlinux-bootstrap";
+  bootstrap = resholve.writeScriptBin "archlinux-bootstrap" {
+    interpreter = "${bash}/bin/bash";
+    inputs = [ coreutils pacman systemd ];
+    execer = [
+      "cannot:${pacman}/bin/pacman-key"
+      "cannot:${systemd}/bin/systemd-nspawn"
+    ];
+  } ''
+    set -o errexit
+    set -o nounset
+    set -o pipefail
 
-    runtimeInputs = [ coreutils pacman systemd ];
-
-    text = ''
     if [ $# -lt 1 ]; then
       echo "usage: $0 [directory] [pkgs ...]"
       exit 1
@@ -98,5 +106,4 @@
     echo "Boot system:"
     echo "  sudo systemd-nspawn -bUD \"$newroot\""
   '';
-  };
 }