Add Beremiz installation file

Beremiz/beremiz_install.sh

+#!/bin/bash
+# =================================================
+#
+#        Beremiz installation in Ubuntu 20.04
+#
+# =================================================
+
+
+# run as root
+if [[ $EUID -ne 0 ]]; then
+   echo 'run this script as sudo !' 1>&2
+   exit 1
+fi
+
+echo "OSTYPE:"
+
+if [[ "$OSTYPE" == "linux-gnu"* ]]; then
+   ls -al /etc/*-release
+   cat /etc/arch-release
+
+   # Ubuntu
+   if [ -f /etc/os-release ]; then
+      . /etc/os-release
+      OS_NAME=$NAME
+      OS_VER_ID=$VERSION_ID
+      echo "System OS_NAME: $OS_NAME"
+
+   else
+      echo "tested release files do not exist -> happens with older or unsupported OS versions"
+      exit 2
+   fi
+
+   echo "Found OS information: $OS_NAME, version: $OS_VER_ID"
+
+   if [[ "$OS_NAME" == *"Ubuntu"* ]]; then
+      echo "Ubuntu"
+      export DEBIAN_FRONTEND=noninteractive
+
+      # Update system
+      # install required packages
+      apt -yq update
+      apt -yq install python-wxgtk3.0 python-lxml python-is-python2 python-numpy build-essential python-dev-is-python2 mercurial autoconf bison flex python2 virtualenv python-lxml python-numpy libgtk-3-dev libgl1-mesa-dev libglu1-mesa-dev
+      pip2 install pyro twisted nevow autobahn lxml opcua
+
+      # Path preparation
+      LOCAL_HOME_DIR=/home/${SUDO_USER:-$(whoami)}/
+      echo "$LOCAL_HOME_DIR"
+
+      # Build Beremiz
+      echo "Building Beremiz."
+      cd $LOCAL_HOME_DIR/
+      mkdir -p Beremiz
+      cd Beremiz/
+      hg clone https://hg.beremiz.org/beremiz
+
+      # Build Matiec
+      echo "Building Matiec."
+      hg clone https://hg.beremiz.org/matiec
+      autoreconf -i
+      ./configure
+      make -j
+      pwd
+
+      # Build Modbus
+      echo "Building Modbus."  
+      hg clone https://hg.beremiz.org/Modbus/
+      make
+
+
+   else 
+      echo "Distro not supported."
+      exit 3
+   fi
+else
+   echo "ERROR: OS not supported: $OSTYPE"
+   exit 4
+fi
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