From e87c356c8104c7c016c41fe477d0654056847343 Mon Sep 17 00:00:00 2001
From: Arpit Chakladar <arpitchakladar@proton.me>
Date: Mon, 13 Apr 2026 16:38:55 +0530
Subject: injecting variables into scripts so that they use the actual path of
 th binaries of the packages

---
 modules/scripts/default.nix | 78 +++++++++++++++++++++++++++++----------------
 1 file changed, 50 insertions(+), 28 deletions(-)

(limited to 'modules/scripts/default.nix')

diff --git a/modules/scripts/default.nix b/modules/scripts/default.nix
index c312800..a3aa54e 100644
--- a/modules/scripts/default.nix
+++ b/modules/scripts/default.nix
@@ -5,46 +5,68 @@
   ...
 }:
 
-# Scripts - Home directory shell scripts (deep-clean, screen-recording, system-monitor)
 let
+  # name: Script name
+  # path: Path to script file
+  # env: (Optional) Attribute set of environment variables { KEY = "VALUE"; }
   mkScript =
-    name: path:
-    pkgs.writeShellScriptBin name ''
-      #!${
-        if config.tools.zsh.enable then (lib.getExe config.programs.zsh.package) else "#!/usr/bin/env sh"
-      }
-      ${builtins.readFile path}
-    '';
+    name: path: env:
+    let
+      # Generate the shell shebang based on your config
+      shell =
+        if config.tools.zsh.enable then (lib.getExe config.programs.zsh.package) else "/usr/bin/env sh";
+
+      # Convert the 'env' attribute set into a string of "export KEY='VALUE'" lines
+      envVars = lib.concatStringsSep "\n" (lib.mapAttrsToList (n: v: "${n}=\"${toString v}\"") env);
+    in
+    pkgs.writeTextFile {
+      name = name;
+      executable = true;
+      destination = "/bin/${name}";
+      text = ''
+        #!${shell}
+        ${envVars}
+        ${builtins.readFile path}
+      '';
+    };
 in
 {
   config = {
     home.packages = [
-      # Always included
-      (mkScript "deep-clean" ./deep-clean.sh)
+      # Always included (pass empty set {} if no env vars needed)
+      (mkScript "deep-clean" ./deep-clean.sh { })
 
-      # Conditional scripts (requies some tools)
+      # Conditional scripts
       (lib.mkIf (config.tools.ffmpeg.enable && config.tools.slop.enable) (
-        mkScript "screen-recording" ./screen-recording.sh
+        mkScript "screen-recording" ./screen-recording.sh {
+          FFMPEG = lib.getExe pkgs.ffmpeg-full;
+          SLOP = lib.getExe pkgs.slop;
+        }
       ))
 
-      (lib.mkIf (
-        config.tools.bottom.enable
-        && config.tools.nvtop.enable
-        && config.tools.tmux.enable
-        && config.tools.kitty.enable
-      ) (mkScript "system-monitor" ./system-monitor.sh))
+      (lib.mkIf
+        (
+          config.tools.bottom.enable
+          && config.tools.nvtop.enable
+          && config.tools.tmux.enable
+          && config.tools.kitty.enable
+        )
+        (
+          mkScript "system-monitor" ./system-monitor.sh {
+            BTM = lib.getExe pkgs.bottom;
+            NVTOP = lib.getExe pkgs.nvtopPackages.full;
+            TMUX = lib.getExe pkgs.tmux;
+            KITTY = lib.getExe pkgs.kitty;
+          }
+        )
+      )
 
       (lib.mkIf (config.tools.openvpn.enable && config.tools.fzf.enable) (
-        pkgs.writeShellScriptBin "vpn-connect" ''
-          #!${if config.tools.zsh.enable then (lib.getExe config.programs.zsh.package) else "/usr/bin/env sh"}
-
-          # Inject Nix store paths as environment variables for the script to use
-          export FZF_BIN="${lib.getExe pkgs.fzf}"
-          export OPENVPN_BIN="${lib.getExe pkgs.openvpn}"
-          export RESOLVED_BIN="${pkgs.openvpn}/libexec/update-systemd-resolved"
-
-          ${builtins.readFile ./vpn-connect.sh}
-        ''
+        mkScript "vpn-connect" ./vpn-connect.sh {
+          FZF = lib.getExe pkgs.fzf;
+          OPENVPN = lib.getExe pkgs.openvpn;
+          SYSTEMD_RESOLVED = "${pkgs.openvpn}/libexec/update-systemd-resolved";
+        }
       ))
     ];
   };
-- 
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