feat(scripts): Unify behaviour and improve generation

scripts/default.nix

@@ -1,39 +1,34 @@
-{ pkgs, ... }:
+{
+  lib,
+  writeShellApplication,
+
+  # Dependencies
+  colmena,
+  jq,
+  nvd,
+  ...
+}:
 
 let
-  substitutions = {
-    inherit (pkgs)
-      bash
+  inherit (lib) mapAttrsToList;
+
+  scripts = {
+    cache-node = [ colmena ];
+    check-deployment = [
       colmena
-      coreutils
-      nvd
-      git
       jq
-      ;
+      nvd
+    ];
+    launch-vm = [ colmena ];
+    list-nodes = [ jq ];
   };
-
-  mkShellScript =
-    name:
-    (pkgs.substituteAll (
-      {
-        inherit name;
-        src = ./. + "/${name}.sh";
-        dir = "/bin/";
-        isExecutable = true;
-
-        checkPhase = ''
-          ${pkgs.stdenv.shellDryRun} "$target"
-        '';
-      }
-      // substitutions
-    ));
-
-  scripts = [
-    "cache-node"
-    "check-deployment"
-    "launch-vm"
-    "list-nodes"
-  ];
 in
 
-builtins.map mkShellScript scripts
+mapAttrsToList (
+  name: runtimeInputs:
+  writeShellApplication {
+    inherit name runtimeInputs;
+
+    text = builtins.readFile ./${name}.sh;
+  }
+) scripts