Flatpak not required

fpakman/core/system.py

@@ -5,8 +5,17 @@ from typing import List
 from fpakman.core import resource
 
 
-def run_cmd(cmd: str, expected_code: int = 0, ignore_return_code: bool = False) -> str:
-    res = subprocess.run(cmd, shell=True, stdout=subprocess.PIPE, env={'LANG': 'en'})
+def run_cmd(cmd: str, expected_code: int = 0, ignore_return_code: bool = False, print_error: bool = True) -> str:
+    args = {
+        "shell": True,
+        "stdout": subprocess.PIPE,
+        "env": {'LANG': 'en'}
+    }
+
+    if not print_error:
+        args["stderr"] = subprocess.DEVNULL
+
+    res = subprocess.run(cmd, **args)
     return res.stdout.decode() if ignore_return_code or res.returncode == expected_code else None