[Backport] Prevent accidental deletions of the database

regenerate.sh

@@ -1,6 +1,25 @@
 #!/bin/bash
 
-# For postgresql
+show_answer=true
+while [ $# -gt 0 ]; do
+  	case "$1" in
+    	-y)
+    	  	show_answer=false
+      	;;
+  	esac
+	shift
+done
+
+if $show_answer ; then
+	echo "WARNING!! This script REMOVE your Taiga's database and you LOSE all the data."
+	read -p "Are you sure you want to delete all data? (Pres Y to continue): " -n 1 -r
+	echo    # (optional) move to a new line
+	if [[ ! $REPLY =~ ^[Yy]$ ]] ; then
+		exit 1
+	fi
+fi
+
+
 echo "-> Remove taiga DB"
 dropdb taiga
 echo "-> Create taiga DB"