From 356508722e5f2f18eb600b4c98df9bd9c2eccf6d Mon Sep 17 00:00:00 2001
From: Krzysztof Rudnicki <krzysztofrudnicki0@gmail.com>
Date: Sat, 6 Sep 2025 18:05:50 +0200
Subject: [PATCH] feat: skip systemctl restart network manager serivce

---
 hosts/install.sh | 31 ++++++++++++++++++++++++++++---
 1 file changed, 28 insertions(+), 3 deletions(-)

diff --git a/hosts/install.sh b/hosts/install.sh
index 36a9719..8624cf5 100755
--- a/hosts/install.sh
+++ b/hosts/install.sh
@@ -5,6 +5,26 @@ if [[ $EUID -ne 0 ]]; then
 	exec sudo -E bash "$0" "$@"
 fi
 
+# Options
+# Default: do NOT flush DNS caches unless explicitly requested
+FLUSH_DNS=0
+
+# Parse CLI flags
+for arg in "$@"; do
+	case "$arg" in
+		--flush-dns)
+			FLUSH_DNS=1
+			;;
+		--no-flush-dns)
+			FLUSH_DNS=0
+			;;
+		-h|--help)
+			echo "Usage: $0 [--flush-dns|--no-flush-dns]"
+			exit 0
+			;;
+	esac
+done
+
 # Enable systemd-resolved
 sudo systemctl enable systemd-resolved
 
@@ -244,6 +264,11 @@ sudo chattr +i /etc/hosts
 sudo chattr -i /etc/hosts
 sudo chattr +a /etc/hosts
 
-# Flush DNS caches
-sudo systemd-resolve --flush-caches
-sudo systemctl restart NetworkManager.service
\ No newline at end of file
+# Optionally flush DNS caches
+if [[ "$FLUSH_DNS" -eq 1 ]]; then
+	echo "Flushing DNS caches..."
+	sudo systemd-resolve --flush-caches
+	sudo systemctl restart NetworkManager.service
+else
+	echo "DNS cache flush skipped (use --flush-dns to enable)."
+fi
\ No newline at end of file