Created script to remove files installed from postinstall.

scripts/removal

@@ -0,0 +1,86 @@
+#!/bin/bash
+
+# TigerOS script for the removal of unwanted major-specific packages
+#Author: Tim Zabel <tjz8659@rit.edu>
+
+# Check to see if the current user is root
+if [ $EUID != 0 ]
+then
+    echo "Please run this script as root (sudo $@$0)."
+    exit
+fi
+
+echo -e "Welcome to the TigerOS package removal script.\n
+This script will remove all files and packages installed for a specific major."
+echo -e "\n"
+sleep 5;
+
+PS3='Please enter the major for the courses you wish to remove: '
+options=("CS" "IT/WMC" "NSSA/CIT" "SE" "Quit")
+select opt in "${options[@]}"
+do
+    case $opt in
+        "CS")
+            echo -e "Welcome to the TigerOS CS package removal script.\n
+                  This script will remove Intellij idea, PyCharm, prolog, racket, and JFLAP from your machine."
+            while true; do
+                read -p "Do you wish to continue? [y/n] " yn
+                case $yn in
+                    [Yy]* ) break;;
+                    [Nn]* ) exit;;
+                esac
+            done
+            # removal script cannot be done without the installer script implementing this section.
+            ;;
+        "IT/WMC")
+            echo -e "Welcome to the TigerOS IT/WMC package removal script.\n
+            This script will remove mysql, mongodb, subversion, filezilla, and nodejs from your machine."
+            while true; do
+                read -p "Do you wish to continue? [y/n] " yn
+                case $yn in
+                    [Yy]* ) break;;
+                    [Nn]* ) exit;;
+                esac
+            done
+            sudo dnf remove mongodb subversion filezilla nodejs php mysql-repo.rpm mysql-community-server
+            # port 27017 is still open. Need to figure out how to revert that
+            # jGrasp installer script must be implemented before it can be removed.
+            ;;
+        "NSSA/CIT")
+            echo -e "Welcome to the TigerOS NSSA/CIT package removal script.\n
+                  This script will remove wireshark, python 2.7, python 3, and jGrasp from your machine."
+            while true; do
+                read -p "Do you wish to continue [y/n] " yn
+                case $yn in
+                    [Yy]* ) break;;
+                    [Nn]* ) exit;;
+                esac
+            done
+            sudo dnf remove wireshark python python3
+            # WARNING --> jGrasp has not been implemented in the installer script yet. Cannot remove
+            echo "Install finished."
+            exit
+            ;;
+        "SE" )
+            echo -e "Welcome to the TigerOS Software Engineering removal script.\n
+                  This script will remove ruby, eclipse, Spin, sqlite3 and MIT Alloy from your machine."
+            while true; do
+                read -p "Do you wish to continue? [y/n] " yn
+                case $yn in
+                    [Yy]* ) break;;
+                    [Nn]* ) exit;;
+                esac
+            done
+            sudo dnf remove eclipse-jdt ruby sqlite
+            # Spin and Alloy need to be implemented in installer script before removal.
+            echo "All files have been removed."
+            exit
+            ;;
+        "Quit")
+            break
+            ;;
+        *)
+            echo "Invalid Option."
+            ;;
+    esac
+done