improved automatic script alias creation and switched to lookup paths for nix-shell invocations

config/xonsh/aliases.py

@@ -128,13 +128,26 @@ alias_dictionary = {
     "s": "sudo",
 }
 
-# Create aliases for scripts with the .py extension stripped
+# Create aliases for scripts with the file extension stripped
 script_path = Path("/etc/nixos/scripts")
 if script_path.exists():
-    for script in script_path.glob("*.py"):
+    for sub_dir in script_path.iterdir():
-        if script.name == "__init__.py":
+        # ignore files within the nix subdirectory, since they are just nix-shell expressions
+        # if you aren't using nix, you can remove this if statement
+        if sub_dir.name == "nix":
             continue
-        script_name = script.name.strip(".py")
+        if not sub_dir.is_dir():
-        aliases.update({script_name: [str(script)]})
+            c = colors.Colors
+            print(f"{c.YELLOW}{c.BOLD}WARNING: The path {c.PURPLE}'{sub_dir}'{c.YELLOW} is not a directory. Skipping alias creation for this path.{c.END}")
+            continue
+
+        extension = f".{sub_dir.name}"
+
+        for script in sub_dir.glob(f"*{extension}"):
+            if script.name == "__init__.py":
+                continue
+
+            script_name = script.stem
+            aliases[script_name] = [str(script)]
 
 aliases.update(alias_dictionary)

scripts/nix/python.nix

@@ -1,7 +1,5 @@
 let
-  nixpkgs = fetchTarball
+  pkgs = import <nixpkgs> {
-    "https://github.com/NixOS/nixpkgs/archive/nixos-unstable.tar.gz";
-  pkgs = import nixpkgs {
     config = { };
     overlays = [ ];
   };

scripts/py/spectacle-screenshot.py

@@ -1,5 +1,5 @@
 #! /usr/bin/env nix-shell
-#! nix-shell /etc/nixos/nixos/script-dependencies.nix -i python
+#! nix-shell /etc/nixos/scripts/nix/python.nix -i python
 
 import argparse
 import os

scripts/py/zipline.py

@@ -1,5 +1,5 @@
 #! /usr/bin/env nix-shell
-#! nix-shell /etc/nixos/nixos/script-dependencies.nix -i python
+#! nix-shell /etc/nixos/scripts/nix/python.nix -i python
 
 import argparse
 import mimetypes