mkupdate: Added script to update glued in a given system

mkupdate.bash

@@ -0,0 +1,68 @@
+#! /bin/bash
+###########################################################################
+# GLUED: GNU/Linux Uniform Environment Distribution                       #
+# Copyright (C) 2007-2017 Universidade do Porto - Faculdade de Engenharia #
+# Laboratório de Sistemas e Tecnologia Subaquática (LSTS)                 #
+###########################################################################
+# This program is free software; you can redistribute it and/or modify    #
+# it under the terms of the GNU General Public License as published by    #
+# the Free Software Foundation; either version 2 of the License, or (at   #
+# your option) any later version.                                         #
+#                                                                         #
+# This program is distributed in the hope that it will be useful, but     #
+# WITHOUT ANY WARRANTY; without even the implied warranty of              #
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU       #
+# General Public License for more details.                                #
+#                                                                         #
+# You should have received a copy of the GNU General Public License       #
+# along with this program; if not, write to the Free Software             #
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA           #
+# 02110-1301 USA.                                                         #
+###########################################################################
+# Author: Tiago Marques                                                   #
+###########################################################################
+
+update_tool()
+{
+    rsync -v "$1" root@"$2":/opt/lsts/glued/
+    if [ $? -eq 0 ]; then
+        return 0
+    fi
+
+    scp "$1" root@"$2":/opt/lsts/glued/
+    if [ $? -eq 0 ]; then
+        return 0
+    fi
+
+    return 1
+}
+
+# Check command line arguments.
+if [ $# -lt 1 ]; then
+    echo "Usage: $0 <config>"
+    exit 1
+fi
+
+# Read system configuration file.
+if ! [ -f "$1" ]; then
+    echo -e "\e[1;31mERROR: invalid configuration file '$1'\e[0m"
+    exit 1
+fi
+
+# Read system configuration file.
+source "$1"
+
+if [ ! -f "$cfg_rootfs_tar" ];
+then
+    echo -e "\e[1;31mERROR: You should run ./pkrootfs $1\e[0m"
+    exit 1
+fi
+
+# check for dirty repo
+if [[ "$cfg_glued_git_version" =~ .*-dirty$ ]]
+then
+    echo -e "\e[1;31mThis glued's version is dirty\e[0m"
+fi
+
+# send package to the system
+update_tool "$cfg_rootfs_tar" "$cfg_eth_ext_ip"