From 6824ce0d0f523c6f95bc7790f4eb0a4f5ba472dd Mon Sep 17 00:00:00 2001
From: Jarek <65668659+jardahrazdera@users.noreply.github.com>
Date: Tue, 9 Sep 2025 21:01:22 +0200
Subject: [PATCH] Enable full mDNS resolution for .local domains (#1021)

* Enable full mDNS resolution for .local domains

* Add migration to enable mDNS resolution for existing users
---
 install/config/hardware/printer.sh | 3 +++
 migrations/1757361128.sh           | 7 +++++++
 2 files changed, 10 insertions(+)
 create mode 100644 migrations/1757361128.sh

diff --git a/install/config/hardware/printer.sh b/install/config/hardware/printer.sh
index 5a752b2..b737b49 100755
--- a/install/config/hardware/printer.sh
+++ b/install/config/hardware/printer.sh
@@ -7,6 +7,9 @@ sudo mkdir -p /etc/systemd/resolved.conf.d
 echo -e "[Resolve]\nMulticastDNS=no" | sudo tee /etc/systemd/resolved.conf.d/10-disable-multicast.conf
 chrootable_systemctl_enable avahi-daemon.service
 
+# Enable mDNS resolution for .local domains
+sudo sed -i 's/^hosts:.*/hosts: mymachines mdns_minimal [NOTFOUND=return] resolve [!UNAVAIL=return] files myhostname dns/' /etc/nsswitch.conf
+
 # Enable automatically adding remote printers
 if ! grep -q '^CreateRemotePrinters Yes' /etc/cups/cups-browsed.conf; then
   echo 'CreateRemotePrinters Yes' | sudo tee -a /etc/cups/cups-browsed.conf
diff --git a/migrations/1757361128.sh b/migrations/1757361128.sh
new file mode 100644
index 0000000..b6c8413
--- /dev/null
+++ b/migrations/1757361128.sh
@@ -0,0 +1,7 @@
+echo "Enable mDNS resolution for existing Avahi installations"
+
+if systemctl is-enabled avahi-daemon.service >/dev/null 2>&1; then
+  if ! grep -q "mdns_minimal" /etc/nsswitch.conf; then
+    sudo sed -i 's/^hosts:.*/hosts: mymachines mdns_minimal [NOTFOUND=return] resolve [!UNAVAIL=return] files myhostname dns/' /etc/nsswitch.conf
+  fi
+fi
\ No newline at end of file