genswap.sh: add check for swap in fstab

Former-commit-id: e5118bf5caf09ddc170589acd2a28a2e17956b3b

genswap.sh

@@ -65,10 +65,19 @@ function autoSwap(){
         fi
 
         echo -e "\n${LCYAN}Creating backup of /etc/fstab ...\n${NC}"
-        sudo cp /etc/fstab /etc/fstab.bak
+        sudo cp -v /etc/fstab /etc/fstab.bak
 
         echo -e "${LCYAN}Adding ${SWAPPATH}${SWAPNAME} to /etc/fstab ..\n${NC}"
         echo "${SWAPPATH}${SWAPNAME} none swap sw 0 0" | sudo tee -a /etc/fstab
+
+        CHECKFSTAB=$(cat /etc/fstab | grep "swap" | gawk  '/swap/{print $2}')
+
+        if [ ! $CHECKFSTAB ];then
+            echo -e "${LRED}Swap line does not exist in /etc/fstab, please manually check this.${NC}\n"
+
+        else
+            echo -e "${LGREEN}Swap successfully added to /etc/fstab! Please reboot your machine...${NC}\n"
+        fi
 }
 
 function swappiness(){
@@ -110,7 +119,7 @@ function help(){
 }
 
 function version(){
-    echo -e "Version ${VERSION}, built: ${BUILDDATE}\n"
+    echo -e "Version ${VERSION}, Build Date: ${BUILDDATE}\n"
 }
 
 case "${1}" in