Drop test station name detection via DNS

setup/linux/profile_base/airootfs/etc/skel/.setup_teststation

@@ -0,0 +1,16 @@
+#!/bin/env bash
+#
+## Set up teststation settings if detected
+
+# Hostname
+if [[ -s "/run/archiso/bootmnt/teststation.name" ]]; then
+  NEW_HOSTNAME="$(head -1 "/run/archiso/bootmnt/teststation.name" \
+    | sed -r 's/\s//g')"
+  sudo hostnamectl set-hostname "${NEW_HOSTNAME}"
+fi
+
+# Wallpaper
+if [[ -s "/run/archiso/bootmnt/teststation.wall" ]]; then
+  rm "${HOME}/.wallpaper" >/dev/null 2>&1
+  ln -s "/run/archiso/bootmnt/teststation.wall" "${HOME}/.wallpaper"
+fi

setup/linux/profile_base/airootfs/etc/skel/.update_network

@@ -1,44 +0,0 @@
-#!/bin/env bash
-#
-## Setup network and update hostname
-
-IP=
-NEW_HOSTNAME=
-
-# Load test station details if present
-if [[ -s "/run/archiso/bootmnt/teststation.name" ]]; then
-  NEW_HOSTNAME="$(head -1 "/run/archiso/bootmnt/teststation.name" \
-    | sed -r 's/\s//g')"
-fi
-if [[ -s "/run/archiso/bootmnt/teststation.wall" ]]; then
-  rm "${HOME}/.wallpaper" >/dev/null 2>&1
-  ln -s "/run/archiso/bootmnt/teststation.wall" "${HOME}/.wallpaper"
-fi
-
-# Wait for network connection and get IP
-echo -n "Waiting for network... "
-for x in {1..3}; do
-  sleep 1s
-  IP="$(ip a show scope global \
-    | grep inet \
-    | head -1 \
-    | sed -r 's#.*inet ([0-9]+.[0-9]+.[0-9]+.[0-9]+)/.*#\1#')"
-  if [[ "${IP:+x}" ]]; then
-    break
-  fi
-done
-echo "Done"
-
-# Set hostname
-if [[ -z "${NEW_HOSTNAME:+x}" && "${IP:+x}" ]]; then
-  NEW_HOSTNAME="$(dig +noall +answer +short -x "$IP" \
-    | grep -v ';' \
-    | head -1 \
-    | sed 's/\.$//')"
-fi
-if [[ "${NEW_HOSTNAME:+x}" ]]; then
-  echo -n "Updating hostname... "
-  sudo hostnamectl set-hostname "${NEW_HOSTNAME}"
-fi
-echo "Done"
-

setup/linux/profile_base/airootfs/etc/skel/.zlogin

@@ -1,7 +1,7 @@
 setterm -blank 0 -powerdown 0 2>/dev/null
 if [ "$(fgconsole 2>/dev/null)" -eq "1" ]; then
-    # Connect to network and update hostname
-    $HOME/.update_network
+    # Set up teststation details
+    $HOME/.setup_teststation
 
     # Start HW-diags
     hw-diags --cli