install a custom banner for SSH logins

banner.sh

+#!/bin/bash
+# Install a custom banner for our firmware.
+if [ ! -d "site" ]; then
+	echo "This script must be called from within the gluon directory"
+	exit 1
+fi
+if [ -z "$RELEASE_VERSION" ]; then
+    RELEASE_VERSION=$(site/version.sh)
+fi
+
+cat >openwrt/package/base-files/files/etc/banner <<EOF
+  _____  _____
+_/ ____\\/ ____\\___________  _____ _______
+\\   __\\\\   __\\/  ___/\\__  \\ \\__  \\\\_  ___\\
+ |  |   |  |  \\___ \\  / __ \\_/ __ \\|  |
+ |__|   |__| /_____/ (_____/(_____//__|
+ -----------------------------------------------------
+ %D %V, %C
+ gluon-ffsaar $RELEASE_VERSION / gluon $(git describe)
+ -----------------------------------------------------
+ Gluon commandline administration reference:
+ https://github.com/freifunk-gluon/gluon/wiki/Commandline-administration
+ -----------------------------------------------------
+EOF

ci-release.sh

@@ -21,9 +21,10 @@ function run_and_print() {
 cd ..
 if [ ! -d "site" ]; then
 	echo "This script must be called from within the site directory"
-	return
+	exit 1
 fi
-. site/ansi-colors.sh
+. site/ansi-colors.sh # utilities
+. site/banner.sh # install our banner
 
 rm -rf output
 # one-time preparation