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src/additional_install.sh

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+cd ~
+if [ -d "/home/risc/src" ] 
+then
+    echo "~/src directory already exists"
+else
+    echo "Creating ~/src directory"
+    mkdir src
+fi
+
+cd ~/src
+if [ -d "/home/risc/src/Firmware" ] 
+then
+    echo "PX4 Firmware already cloned"
+else
+    echo "Cloning into ~/src/Firmware"
+    git clone https://github.com/PX4/Firmware.git
+fi
+
+cd ~/src/Firmware
+
+git submodule update --init --recursive
+
+sudo apt install python3-pip -y
+pip3 install empy
+pip3 install packaging
+pip3 install toml
+pip3 install numpy
+pip3 install jinja2
+sudo apt-get install libgstreamer1.0-0 gstreamer1.0-plugins-base gstreamer1.0-plugins-good gstreamer1.0-plugins-bad gstreamer1.0-plugins-ugly gstreamer1.0-libav gstreamer1.0-doc gstreamer1.0-tools gstreamer1.0-x gstreamer1.0-alsa gstreamer1.0-gl gstreamer1.0-gtk3 gstreamer1.0-qt5 gstreamer1.0-pulseaudio -y
+DONT_RUN=1 make px4_sitl_default gazebo
+
+source Tools/setup_gazebo.bash $(pwd) $(pwd)/build/px4_sitl_default
+export ROS_PACKAGE_PATH=$ROS_PACKAGE_PATH:$(pwd):$(pwd)/Tools/sitl_gazebo
+

src/ubuntu_sim_common_deps.sh

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+#!/bin/bash
+
+## Bash script for setting up a PX4 development environment on Ubuntu LTS (16.04).
+## It can be used for installing simulators (only) or for installing the preconditions for Snapdragon Flight or Raspberry Pi.
+##
+## Installs:
+## - Common dependencies and tools for all targets (including: Ninja build system, pyulog)
+## - jMAVSim simulator dependencies
+## - PX4/Firmware source (to ~/src/Firmware/)
+
+# Preventing sudo timeout https://serverfault.com/a/833888
+trap "exit" INT TERM; trap "kill 0" EXIT; sudo -v || exit $?; sleep 1; while true; do sleep 60; sudo -nv; done 2>/dev/null &
+
+# Ubuntu Config
+echo "Remove modemmanager"
+sudo apt-get remove modemmanager -y
+echo "Add user to dialout group for serial port access (reboot required)"
+sudo usermod -a -G dialout $USER
+
+# Common dependencies
+echo "Installing common dependencies"
+sudo apt-get update -y
+sudo apt-get install git zip cmake build-essential genromfs ninja-build exiftool astyle -y
+# make sure xxd is installed, dedicated xxd package since Ubuntu 18.04 but was squashed into vim-common before
+which xxd || sudo apt install xxd -y || sudo apt-get install vim-common --no-install-recommends -y
+# Required python packages
+sudo apt-get install python-argparse python-empy python-toml python-numpy python-dev python-pip -y
+sudo -H pip install --upgrade pip
+sudo -H pip install pandas jinja2 pyserial pyyaml
+# optional python tools
+sudo -H pip install pyulog
+
+# jMAVSim simulator dependencies
+echo "Installing jMAVSim simulator dependencies"
+sudo apt-get install ant openjdk-8-jdk openjdk-8-jre -y
+

src/ubuntu_sim_ros_melodic.sh

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+#!/bin/bash
+
+## Bash script for setting up ROS Melodic (with Gazebo 9) development environment for PX4 on Ubuntu LTS (18.04).
+## It installs the common dependencies for all targets (including Qt Creator)
+##
+## Installs:
+## - Common dependencies libraries and tools as defined in `ubuntu_sim_common_deps.sh`
+## - ROS Melodic (including Gazebo9)
+## - MAVROS
+
+if [[ $(lsb_release -sc) == *"xenial"* ]]; then
+  echo "OS version detected as $(lsb_release -sc) (16.04)."
+  echo "ROS Melodic requires at least Ubuntu 18.04."
+  echo "Exiting ...."
+  return 1;
+fi
+
+echo "Downloading dependent script 'ubuntu_sim_common_deps.sh'"
+# Source the ubuntu_sim_common_deps.sh script directly from github
+common_deps=$(wget https://raw.githubusercontent.com/PX4/Devguide/master/build_scripts/ubuntu_sim_common_deps.sh -O -)
+wget_return_code=$?
+# If there was an error downloading the dependent script, we must warn the user and exit at this point.
+if [[ $wget_return_code -ne 0 ]]; then echo "Error downloading 'ubuntu_sim_common_deps.sh'. Sorry but I cannot proceed further :("; exit 1; fi
+# Otherwise source the downloaded script.
+. <(echo "${common_deps}")
+
+# ROS Melodic
+## Gazebo simulator dependencies
+sudo apt-get install protobuf-compiler libeigen3-dev libopencv-dev -y
+
+## ROS Gazebo: http://wiki.ros.org/melodic/Installation/Ubuntu
+## Setup keys
+sudo sh -c 'echo "deb http://packages.ros.org/ros/ubuntu $(lsb_release -sc) main" > /etc/apt/sources.list.d/ros-latest.list'
+sudo apt-key adv --keyserver 'hkp://keyserver.ubuntu.com:80' --recv-key C1CF6E31E6BADE8868B172B4F42ED6FBAB17C654
+## For keyserver connection problems substitute hkp://pgp.mit.edu:80 or hkp://keyserver.ubuntu.com:80 above.
+sudo apt-get update
+## Get ROS/Gazebo
+sudo apt install ros-melodic-desktop-full -y
+## Initialize rosdep
+sudo rosdep init
+rosdep update
+## Setup environment variables
+rossource="source /opt/ros/melodic/setup.bash"
+if grep -Fxq "$rossource" ~/.bashrc; then echo ROS setup.bash already in .bashrc;
+else echo "$rossource" >> ~/.bashrc; fi
+eval $rossource
+
+## Install rosinstall and other dependencies
+sudo apt install python-rosdep python-rosinstall python-rosinstall-generator python-wstool build-essential -y
+
+
+
+# MAVROS: https://dev.px4.io/en/ros/mavros_installation.html
+## Install dependencies
+sudo apt-get install python-catkin-tools python-rosinstall-generator -y
+
+## Create catkin workspace
+mkdir -p ~/catkin_ws/src
+cd ~/catkin_ws
+catkin init
+wstool init src
+
+
+## Install MAVLink
+###we use the Kinetic reference for all ROS distros as it's not distro-specific and up to date
+rosinstall_generator --rosdistro kinetic mavlink | tee /tmp/mavros.rosinstall
+
+## Build MAVROS
+### Get source (upstream - released)
+rosinstall_generator --upstream mavros | tee -a /tmp/mavros.rosinstall
+
+### Setup workspace & install deps
+wstool merge -t src /tmp/mavros.rosinstall
+wstool update -t src
+if ! rosdep install --from-paths src --ignore-src -y; then
+    # (Use echo to trim leading/trailing whitespaces from the unsupported OS name
+    unsupported_os=$(echo $(rosdep db 2>&1| grep Unsupported | awk -F: '{print $2}'))
+    rosdep install --from-paths src --ignore-src --rosdistro melodic -y --os ubuntu:bionic
+fi
+
+if [[ ! -z $unsupported_os ]]; then
+    >&2 echo -e "\033[31mYour OS ($unsupported_os) is unsupported. Assumed an Ubuntu 18.04 installation,"
+    >&2 echo -e "and continued with the installation, but if things are not working as"
+    >&2 echo -e "expected you have been warned."
+fi
+
+#Install geographiclib
+sudo apt install geographiclib-tools -y
+echo "Downloading dependent script 'install_geographiclib_datasets.sh'"
+# Source the install_geographiclib_datasets.sh script directly from github
+install_geo=$(wget https://raw.githubusercontent.com/mavlink/mavros/master/mavros/scripts/install_geographiclib_datasets.sh -O -)
+wget_return_code=$?
+# If there was an error downloading the dependent script, we must warn the user and exit at this point.
+if [[ $wget_return_code -ne 0 ]]; then echo "Error downloading 'install_geographiclib_datasets.sh'. Sorry but I cannot proceed further :("; exit 1; fi
+# Otherwise source the downloaded script.
+sudo bash -c "$install_geo"
+
+## Build!
+catkin build
+## Re-source environment to reflect new packages/build environment
+catkin_ws_source="source ~/catkin_ws/devel/setup.bash"
+if grep -Fxq "$catkin_ws_source" ~/.bashrc; then echo ROS catkin_ws setup.bash already in .bashrc;
+else echo "$catkin_ws_source" >> ~/.bashrc; fi
+eval $catkin_ws_source