shell script & better image schematic

install.sh

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+
+
+if [[ $EUID -ne 0 ]]; then
+    echo "I need sudo right. plz (insert cute cat image)"
+    exit 1
+fi
+
+UPDATE=""
+USERID=""
+
+while getopts ":u:I:" opt; do
+  case "$opt" in
+    u) UPDATE="$OPTARG"
+            ;;
+    I) USERID="$OPTARG"
+            ;;
+    esac
+done
+
+
+if [ "N" != "$UPDATE" ]; then
+  echo "updating..."
+  sudo apt-get -qq update
+  sudo apt-get -qq install curl python-setuptools python-dev build-essential python-pip
+  sudo -H pip install --upgrade pip > /dev/null
+  sudo -H pip install --upgrade virtualenv > /dev/null
+  sudo -H pip install pyBarcode > /dev/null
+  echo "done updating"
+fi
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+mkdir "$DIR/smartfridge"
+echo "downloading the code..."
+curl -Ls "https://api.github.com/repos/arendjan/pws/tarball" > "$DIR/smartfridge/GIT.tar.gz"
+echo "done downloading"
+echo "unzipping and putting the files in the correct place..."
+mkdir -m 777 $DIR/smartfridge/temp
+tar -xzf "$DIR/smartfridge/GIT.tar.gz" -C "$DIR/smartfridge/temp"
+cp -rf "$DIR"/smartfridge/temp/*/raspberry/*  "$DIR/smartfridge"
+cp -rf "$DIR/smartfridge/start.py" "$DIR/start.py"
+rm -rf "$DIR/smartfridge/temp"
+rm -rf "$DIR/smartfridge/GIT.tar.gz"
+sudo chmod -R 777 "$DIR/smartfridge/"
+sudo chmod -R 777 "$DIR/smartfridge/printjobs" 
+echo "done"
+echo "setting up a cronjob"
+#write out current crontab
+crontab -l > mycron
+#echo new cron into cron file
+echo "@reboot sudo python $DIR/start.py" >> mycron
+#install new cron file
+crontab mycron
+rm mycron
+echo "done setting up the cronjob"
+
+if [ ! -z  "$USERID"  ]; then
+  echo "setting up your settings file"
+  echo $'userId="'$USERID$'"\ninterval=5\nurl="http://pws.svshizzle.com/api/"' > "$DIR/smartfridge/settings.py"
+  echo "Done writing"
+fi
+echo "Doei"