From 6e0824e35782efc9d69bdd572f7bdc403e56f9a8 Mon Sep 17 00:00:00 2001
From: MacRimi <123239993+MacRimi@users.noreply.github.com>
Date: Sun, 20 Jul 2025 11:27:08 +0200
Subject: [PATCH] Update customizable_post_install.sh

---
 .../post_install/customizable_post_install.sh | 60 +++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/scripts/post_install/customizable_post_install.sh b/scripts/post_install/customizable_post_install.sh
index f65141b..dc364ac 100644
--- a/scripts/post_install/customizable_post_install.sh
+++ b/scripts/post_install/customizable_post_install.sh
@@ -3145,6 +3145,64 @@ EOF
 
 
 
+setup_persistent_network() {
+    local LINK_DIR="/etc/systemd/network"
+    local BACKUP_DIR="/etc/systemd/network/backup-$(date +%Y%m%d-%H%M%S)"
+    
+    msg_info "$(translate "Setting up persistent network interfaces")"
+    sleep 2
+
+    mkdir -p "$LINK_DIR"
+    
+
+    if ls "$LINK_DIR"/*.link >/dev/null 2>&1; then
+        mkdir -p "$BACKUP_DIR"
+        cp "$LINK_DIR"/*.link "$BACKUP_DIR"/ 2>/dev/null || true
+    fi
+    
+    # Process physical interfaces
+    local count=0
+    for iface in $(ls /sys/class/net/ | grep -vE "lo|docker|veth|br-|vmbr|tap|fwpr|fwln|virbr|bond|cilium|zt|wg"); do
+        if [[ -e "/sys/class/net/$iface/device" ]] || [[ -e "/sys/class/net/$iface/phy80211" ]]; then
+            local MAC=$(cat /sys/class/net/$iface/address 2>/dev/null)
+            
+            if [[ "$MAC" =~ ^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$ ]]; then
+                local LINK_FILE="$LINK_DIR/10-$iface.link"
+                
+                cat > "$LINK_FILE" <<EOF
+[Match]
+MACAddress=$MAC
+
+[Link]
+Name=$iface
+EOF
+                chmod 644 "$LINK_FILE"
+                ((count++))
+            fi
+        fi
+    done
+    
+    if [[ $count -gt 0 ]]; then
+        msg_ok "$(translate "Created persistent names for") $count $(translate "interfaces")"
+        msg_ok "$(translate "Changes will apply after reboot.")"
+    else
+        msg_warn "$(translate "No physical interfaces found")"
+    fi
+    msg_success "$(translate "Setting up persistent network interfaces successfully.")"
+    register_tool "persistent_network" true
+    NECESSARY_REBOOT=1
+}
+
+
+
+
+
+
+
+# ==========================================================
+
+
+
 
 
 
@@ -3314,6 +3372,7 @@ main_menu() {
     "Network|Apply network optimizations|NET"
     "Network|Install Open vSwitch|OPENVSWITCH"
     "Network|Enable TCP BBR/Fast Open control|TCPFASTOPEN"
+    "Network|Setting persistent network interfaces|PERSISNET"
     "Storage|Optimize ZFS ARC size|ZFSARC"
     "Storage|Install ZFS auto-snapshot|ZFSAUTOSNAPSHOT"
     "Storage|Increase vzdump backup speed|VZDUMP"
@@ -3485,6 +3544,7 @@ done
         FIGURINE) configure_figurine ;;
         LOG2RAM) configure_log2ram ;;
         PVEAM) update_pve_appliance_manager ;;
+        PERSISNET) setup_persistent_network ;;
         *) echo "Option $function_name not implemented yet" ;;
       esac
     fi