add confirmation dialog before initializing template

init.sh

@@ -4,12 +4,30 @@ if [[ $(pwd) == *template* ]]
 then
     echo "Don't run this in the template directory!"
     echo "Rename the current folder or edit init.sh to do this anyways"
-    exit
+    echo "The folder name must not contain the name 'template' or build will be aborted"
+    exit 1
+fi
+
+source config
+
+# More safety second
+echo "--------------------------------------------------------"
+echo "THIS SCRIPT WILL NOW IRREVOCABLY DESTROY THIS TEMPLATE  "
+echo "REPOSITORY AND REPLACE IT WITH A NEW ONE WITH YOUR GIVEN"
+echo "PARAMETERS IN 'config'.                                 "
+echo "ALL PRIOR DATA, INCLUDING BUT NOT LIMITED TO THE GIT    "
+echo "HISTORY IN THIS DIRECTORY AND ALL ITS SUBDIRECTORIES    "
+echo "WILL BE LOST.                                           "
+echo "                                                        "
+
+read -p  "ARE YOU SURE YOU WANT TO CONTINUE? (y/n)                " -n 1 -r
+if [[ ! $REPLY =~ ^[Yy]$ ]]
+then
+  exit 1
 fi
 
 { ## DO NOT REMOVE THIS OR EVERYTHING BLOWS UP
 cat config
-source config
 cd template
 find -type f | xargs sed -i "s/\$mainfile/$(printf '%s\n' "$mainfile" | sed -e 's/[\/&]/\\&/g')/g"
 find -type f | xargs sed -i "s/\$course/$(printf '%s\n' "$course" | sed -e 's/[\/&]/\\&/g')/g"