diff --git a/config/xonsh/aliases.py b/config/xonsh/aliases.py
index 40d4bfd..f4a34a3 100644
--- a/config/xonsh/aliases.py
+++ b/config/xonsh/aliases.py
@@ -4,22 +4,34 @@ from pathlib import Path
 import subprocess
 from socket import gethostname
 import colors
+from typing import Mapping
 
 def format_link(link: str, text: str) -> str:
     return f"\033]8;;{link}\033\\{text}\033]8;;\033\\"
 
-def run(cmd: list[str], cwd: Path = Path.cwd(), exit_on_error: bool = True, **kwargs) -> subprocess.CompletedProcess:
+def get_environment() -> dict[str, str]:
+    env = dict(environ)
+    env["DIRENV_DISABLE"] = "1"
+    return env
+
+def run(cmd: list[str], cwd: Path = Path.cwd(), exit_on_error: bool = True, env: dict[str, str] | None = None, **kwargs) -> subprocess.CompletedProcess:
+    if not env:
+        env = get_environment()
     c = colors.Colors
+
     print(f"{c.GREEN}Running command: {c.PURPLE}'{' '.join(cmd)}'{c.END}")
     if cwd != Path.cwd():
         print(f"{c.GREEN} 󱞩 in directory: {c.YELLOW}'{format_link(link="file://" + str(cwd), text=cwd)}'{c.END}")
-    result = subprocess.run(cmd, cwd=cwd, check=False, **kwargs)
+
+    result = subprocess.run(cmd, cwd=cwd, check=False, env=env, **kwargs)
+
     if result.returncode != 0:
         print(f"{c.RED}Command exited with non-zero exit code {c.CYAN}{c.BOLD}{result.returncode}{c.END}")
         if exit_on_error is True:
             result.check_returncode()
     else:
         print(f"{c.GREEN}Command exited with exit code {c.CYAN}{c.BOLD}{result.returncode}{c.END}")
+
     return result
 
 @aliases.register
@@ -49,6 +61,13 @@ def _vm(args):
 @aliases.register
 def _upd(args: list):
     path = Path("/etc/nixos")
+    possible_subcommands = ("switch", "boot")
+    subcommand = "switch"
+    for arg in args:
+        if arg in possible_subcommands:
+            subcommand = arg
+            args.remove(arg)
+            break
     if path.exists():
         c = colors.Colors
         files_to_delete = {
@@ -57,7 +76,7 @@ def _upd(args: list):
         }
         if not "--no-pull" in args:
             print(f"{c.BLUE}Pulling {c.YELLOW}NixOS{c.BLUE} configuration from remote{c.END}")
-            run["git", "pull", cwd=path]
+            run(["git", "pull"], cwd=path)
         else:
             args.remove("--no-pull")
         if "--rewrite-hardware-configuration" in args:
@@ -84,7 +103,7 @@ def _upd(args: list):
         args.append("--impure")
         if "--impure" in args:
             print(f"{c.RED}WARNING: The --impure flag is set!{c.END}")
-        run(["sudo", "nixos-rebuild", "switch", *args], cwd=path)
+        run(["sudo", "nixos-rebuild", subcommand, *args], cwd=path)
 
 @aliases.register
 def _lock(args):