[ros_xslocobots] Add update script

Adds a script that can be used to update the Interbotix installation.

[skip ci]

interbotix_ros_xslocobots/install/amd64/xslocobot_amd64_update.sh

@@ -0,0 +1,116 @@
+#!/usr/bin/env bash
+
+# USAGE: ./xslocobot_amd64_update.sh
+#
+# Updates the Interbotix X-Series LoCoBot packages and their dependencies.
+
+set -e
+
+OFF='\033[0m'
+RED='\033[0;31m'
+GRN='\033[0;32m'
+BLU='\033[0;34m'
+
+BOLD=$(tput bold)
+NORM=$(tput sgr0)
+
+ERR="${RED}${BOLD}"
+RRE="${NORM}${OFF}"
+
+PROMPT="> "
+
+ALL_VALID_DISTROS=('melodic' 'noetic' 'galactic' 'humble' 'rolling')
+ROS1_DISTROS=('melodic' 'noetic')
+ROS2_DISTROS=('galactic' 'humble' 'rolling')
+
+# https://stackoverflow.com/a/8574392/16179107
+function contains_element () {
+  # check if an element is in an array
+  local e match="$1"
+  shift
+  for e; do [[ "$e" == "$match" ]] && return 0; done
+  return 1
+}
+
+function failed() {
+  # Log error and quit with a failed exit code
+  echo -e "${ERR}[ERROR] $@${RRE}"
+  echo -e "${ERR}[ERROR] Interbotix Installation Failed!${RRE}"
+  exit 1
+}
+
+function validate_distro() {
+    # check if chosen distro is valid and set ROS major version
+    if contains_element $ROS_DISTRO "${ALL_VALID_DISTROS[@]}"; then
+        ROS_DISTRO=$ROS_DISTRO
+        return 0
+    else
+        failed "'$ROS_DISTRO' is not a valid ROS Distribution. Choose one of: "${ALL_VALID_DISTROS[@]}""
+    fi
+}
+
+function validate_install_path() {
+  # check if the interbotix installation path is valid
+    if [ -d "$INTERBOTIX_WS" ]; then
+        if [ -d ""$INTERBOTIX_WS"/src/interbotix_ros_core" ] && [ -d ""$INTERBOTIX_WS"/src/interbotix_ros_core" ] && [ -d ""$INTERBOTIX_WS"/src/interbotix_ros_core" ]; then
+            return 0
+        else
+            failed "'$INTERBOTIX_WS/src' does not contain the necessary repositories."
+        fi
+    else
+        failed "'$INTERBOTIX_WS' is not a valid path."
+    fi
+}
+
+if [[ -z "$INTERBOTIX_WS" ]]; then
+    echo -e "Enter the path to your interbotix installation (i.e. /home/interbotix/interbotix_ws):\n${PROMPT}${NORM}${OFF}\c"
+    read -r INTERBOTIX_WS
+    echo -e "export INTERBOTIX_WS=$INTERBOTIX_WS" >> ~/.bashrc
+fi
+
+validate_install_path
+
+if [[ -z "$ROS_DISTRO" ]]; then
+    echo -e "Enter the name of your ROS distribution:\n${PROMPT}${NORM}${OFF}\c"
+    read -r ROS_DISTRO
+fi
+
+validate_distro
+
+if contains_element $ROS_DISTRO "${ROS1_DISTROS[@]}"; then
+    BUILD_CMD='catkin_make'
+elif contains_element $ROS_DISTRO "${ROS2_DISTROS[@]}"; then
+    BUILD_CMD='colcon build'
+fi
+
+echo -e "${BLU}${BOLD}UPDATE SUMMARY:"
+echo -e "\tInstallation path:          ${INTERBOTIX_WS}"
+echo -e "\tROS Distribution:           ${ROS_DISTRO}"
+echo -e "\tWorkspace build cmd:        ${BUILD_CMD}"
+echo -e "\tAccepting will run the following commands:"
+echo -e "${NORM}
+\t\tcd $INTERBOTIX_WS
+\t\tcd src/interbotix_ros_core && git pull && cd -
+\t\tcd src/interbotix_ros_rovers && git pull && cd -
+\t\tcd src/interbotix_ros_toolboxes && git pull && cd -
+\t\tsudo apt-get update
+\t\tcd $INTERBOTIX_WS && rosdep install --from-paths src --ignore-src -r -y --rosdistro=$ROS_DISTRO
+\t\tcd $INTERBOTIX_WS && $BUILD_CMD"
+echo -e "\n${BLU}${BOLD}Is this correct?\n${PROMPT}${NORM}${OFF}\c"
+read -r resp
+
+if [[ $resp == [yY] || $resp == [yY][eE][sS] ]]; then
+    :
+else
+    exit 0
+fi
+
+cd $INTERBOTIX_WS
+cd src/interbotix_ros_core && git pull && cd -
+cd src/interbotix_ros_rovers && git pull && cd -
+cd src/interbotix_ros_toolboxes && git pull && cd -
+
+sudo apt-get update
+cd $INTERBOTIX_WS && rosdep install --from-paths src --ignore-src -r -y --rosdistro=$ROS_DISTRO
+
+cd $INTERBOTIX_WS && $BUILD_CMD