openrazer

files/scripts/ensure-plugdev-defaults.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Ensure new users are added to plugdev by default so OpenRazer udev rules work.
+useradd_defaults=/etc/default/useradd
+plugdev_group=plugdev
+
+touch "$useradd_defaults"
+
+if ! grep -q "^GROUPS=" "$useradd_defaults"; then
+  printf 'GROUPS=%s\n' "$plugdev_group" >>"$useradd_defaults"
+elif ! grep -Eq "^GROUPS=.*\\b${plugdev_group}\\b" "$useradd_defaults"; then
+  # Append plugdev to any existing GROUPS setting.
+  sed -i "s/^GROUPS=\\(.*\\)/GROUPS=\\1 ${plugdev_group}/" "$useradd_defaults"
+fi