From 46626d95fa86dd7ff870f814cd9cfc3bacd474a8 Mon Sep 17 00:00:00 2001
From: Ludeeus <ludeeus@ludeeus.dev>
Date: Tue, 13 Oct 2020 17:21:39 +0200
Subject: [PATCH] Adds a default interfaces file

---
 files/interfaces |  4 ++++
 installer.sh     | 23 ++++++++++++++++++-----
 2 files changed, 22 insertions(+), 5 deletions(-)
 create mode 100644 files/interfaces

diff --git a/files/interfaces b/files/interfaces
new file mode 100644
index 0000000..8ff27f3
--- /dev/null
+++ b/files/interfaces
@@ -0,0 +1,4 @@
+source /etc/network/interfaces.d/*
+
+auto lo
+iface lo inet loopback
\ No newline at end of file
diff --git a/installer.sh b/installer.sh
index e78d8de..31b6378 100644
--- a/installer.sh
+++ b/installer.sh
@@ -29,19 +29,21 @@ SERVICE_DOCKER="docker.service"
 SERVICE_NM="NetworkManager.service"
 
 FILE_DOCKER_CONF="/etc/docker/daemon.json"
+FILE_INTERFACES="/etc/network/interfaces"
 FILE_NM_CONF="/etc/NetworkManager/NetworkManager.conf"
 FILE_NM_CONNECTION="/etc/NetworkManager/system-connections/default"
 
 URL_RAW_BASE="https://raw.githubusercontent.com/home-assistant/supervised-installer/master/files"
 URL_VERSION="https://version.home-assistant.io/stable.json"
+URL_BIN_APPARMOR="${URL_RAW_BASE}/hassio-apparmor"
+URL_BIN_HASSIO="${URL_RAW_BASE}/hassio-supervisor"
 URL_DOCKER_DAEMON="${URL_RAW_BASE}/docker_daemon.json"
+URL_HA="${URL_RAW_BASE}/ha"
+URL_INTERFACES="${URL_RAW_BASE}/interfaces"
 URL_NM_CONF="${URL_RAW_BASE}/NetworkManager.conf"
 URL_NM_CONNECTION="${URL_RAW_BASE}/system-connection-default"
-URL_HA="${URL_RAW_BASE}/ha"
-URL_BIN_HASSIO="${URL_RAW_BASE}/hassio-supervisor"
-URL_BIN_APPARMOR="${URL_RAW_BASE}/hassio-apparmor"
-URL_SERVICE_HASSIO="${URL_RAW_BASE}/hassio-supervisor.service"
 URL_SERVICE_APPARMOR="${URL_RAW_BASE}/hassio-apparmor.service"
+URL_SERVICE_HASSIO="${URL_RAW_BASE}/hassio-supervisor.service"
 URL_APPARMOR_PROFILE="https://version.home-assistant.io/apparmor.txt"
 
 # Check env
@@ -95,11 +97,22 @@ fi
 
 # Create config for NetworkManager
 info "Creating NetworkManager configuration"
-rm -f /etc/network/interfaces
 curl -sL "${URL_NM_CONF}" > "${FILE_NM_CONF}"
 if [ ! -f "$FILE_NM_CONNECTION" ]; then
     curl -sL "${URL_NM_CONNECTION}" > "${FILE_NM_CONNECTION}"
 fi
+
+warn "Changes is needed to the /etc/network/interfaces file"
+info "If you have modified the network on the host manualy, those can now be overwritten"
+info "If you do not overwrite this now you need to manually adjust it later"
+info "Do you want to proceed with that? [N/y] "
+read answer
+
+if [[ "$answer" =~ "y" ]] || [[ "$answer" =~ "Y" ]]; then
+    info "Replacing /etc/network/interfaces"
+    curl -sL "${URL_INTERFACES}" > "${FILE_INTERFACES}";
+fi
+
 info "Restarting NetworkManager"
 systemctl restart "${SERVICE_NM}"