From a71ef698ac1a45530d2dfa8f1b1571769e96c61c Mon Sep 17 00:00:00 2001
From: David Runge <dave@sleepmap.de>
Date: Sat, 25 Feb 2017 00:15:13 +0100
Subject: scripts/update-motd,system/update-motd.service: Adding script to be
 called by update-motd.service instead of using so many sh invocations in the
 service file.

---
 scripts/update-motd        | 51 ++++++++++++++++++++++++++++++++++++++++++++++
 system/update-motd.service | 15 ++------------
 2 files changed, 53 insertions(+), 13 deletions(-)
 create mode 100755 scripts/update-motd

diff --git a/scripts/update-motd b/scripts/update-motd
new file mode 100755
index 0000000..8fe4c81
--- /dev/null
+++ b/scripts/update-motd
@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+# get the hostname
+if [ -s /etc/motd.name ]; then
+  cat /etc/motd.name > /tmp/motd
+elif [ -x /usr/bin/banner ]; then
+  cat /etc/hostname | banner -w 80 > /tmp/motd
+else
+  cat /etc/hostname > /tmp/motd
+fi
+echo >> /tmp/motd
+
+# get additional info
+if [ -s /etc/motd.info ]; then
+  cat /etc/motd.info >> /tmp/motd
+  echo >> /tmp/motd
+fi
+
+# get currently running kernel version
+uname -a >> /tmp/motd
+echo >> /tmp/motd
+
+# update package cache
+pacman -Sy 2>&1 > /dev/null
+pacman -Qu > /tmp/updates
+# show updatable packages
+if [ -s /tmp/updates ]; then
+  echo "Package updates available:" >> /tmp/motd
+  cat /tmp/updates >> /tmp/motd
+  echo >> /tmp/motd
+fi
+
+if [ -x /usr/bin/arch-audit ]; then
+  arch-audit -uf "%n|%c" >> /tmp/cves
+  if [ -s /tmp/cves ]; then
+    echo "Security updates needed:" >> /tmp/motd
+    cat /tmp/cves >> /tmp/motd
+  fi
+else
+  echo "Install arch-audit for information on CVEs." >> /tmp/motd
+fi
+
+# move all to /etc/motd
+if [ -x /usr/bin/lolcat ]; then
+  lolcat /tmp/motd > /etc/motd
+else
+  cat /tmp/motd > /etc/motd
+fi
+
diff --git a/system/update-motd.service b/system/update-motd.service
index a821688..740ea7b 100644
--- a/system/update-motd.service
+++ b/system/update-motd.service
@@ -1,23 +1,12 @@
 [Unit]
 Description=Update MOTD
+After=multi-user.target network.target
 
 [Service]
-Type=oneshot
-ExecStart=/usr/bin/sh -c 'if [ -s /etc/motd.name ] ; then cat /etc/motd.name > /tmp/motd ; else cat /etc/hostname | banner -w 80 > /tmp/motd && echo >> /tmp/motd ; fi'
-ExecStart=/usr/bin/sh -c 'uname -a >> /tmp/motd'
-ExecStart=/usr/bin/sh -c 'echo >> /tmp/motd'
-ExecStart=-/usr/bin/sh -c 'pacman -Sy 2>&1 > /dev/null'
-ExecStart=/usr/bin/sh -c 'echo "Package updates available:" >> /tmp/motd'
-ExecStart=-/usr/bin/sh -c 'pacman -Qu >> /tmp/motd'
-ExecStart=/usr/bin/sh -c 'echo >> /tmp/motd'
-ExecStart=/usr/bin/sh -c 'echo "Security updates needed:" >> /tmp/motd'
-ExecStart=/usr/bin/sh -c 'if [ -x /usr/bin/arch-audit ]; then arch-audit -uf "%n|%c" >> /tmp/motd ; else echo "Install arch-audit from AUR." >> /tmp/motd ; fi'
-ExecStart=/usr/bin/sh -c 'if [ -x /usr/bin/lolcat ] ; then lolcat /tmp/motd > /etc/motd ; else mv /tmp/motd /etc/motd ; fi'
+ExecStart=/usr/bin/update-motd
 PrivateDevices=yes
 PrivateTmp=yes
 ProtectSystem=full
 ReadWriteDirectories=/etc/motd
 ProtectHome=yes
 NoNewPrivileges=yes
-
-
-- 
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