diff --git a/main.sh b/main.sh
index 8c7bcb7..8b87a1d 100755
--- a/main.sh
+++ b/main.sh
@@ -1,17 +1,16 @@
 #! /bin/bash
 DRIVER=545
 
+apt show nvidia-driver-$DRIVER 2>&1 | grep -v "does not have a stable" | grep Version: | head -n1 | cut -f2 -d":" | tr -d ' ' > ./linux-nvidia-modules/pika_nvidia.txt
+
 rm -rfv /etc/apt/preferences.d/*
-echo 'Package: *' > /etc/apt/preferences.d/0-a
-echo 'Pin: release c=main' >> /etc/apt/preferences.d/0-a
-echo 'Pin-Priority: 390' >> /etc/apt/preferences.d/0-a
-echo 'Package: *' >> /etc/apt/preferences.d/0-a
-echo 'Pin: release c=external' >> /etc/apt/preferences.d/0-a
-echo 'Pin-Priority: 390' >> /etc/apt/preferences.d/0-a
+echo 'Pin: release c=external' > /etc/apt/preferences.d/0-a
+echo 'Pin-Priority: 1000' >> /etc/apt/preferences.d/0-a
 echo 'Package: *' >> /etc/apt/preferences.d/0-a
 echo 'Pin: release c=ubuntu' >> /etc/apt/preferences.d/0-a
-echo 'Pin-Priority: 390' >> /etc/apt/preferences.d/0-a
+echo 'Pin-Priority: 1000' >> /etc/apt/preferences.d/0-a
 apt update -y
+apt show nvidia-driver-$DRIVER 2>&1 | grep -v "does not have a stable" | grep Version: | head -n1 | cut -f2 -d":" | cut -f1,2,3 -d"." | cut -f1 -d"-" | tr -d ' ' > ./linux-nvidia-modules/new_nvidia.txt
 echo "$(apt show nvidia-driver-$DRIVER 2>&1 | grep -v "does not have a stable" | grep Version: | head -n1 | cut -f2 -d":" | cut -f1,2,3 -d"." | cut -f1 -d"-" | tr -d ' ')" > ./linux-nvidia-modules/DRIVER
 echo "$(apt show kernel-pika 2>&1 | grep -v "does not have a stable" | grep Depends: | head -n1 | cut -f2 -d":" | cut -f1 -d"," | cut -f3,4 -d"-" | tr -d ' ')" > ./linux-nvidia-modules/KERNEL
 echo "$(apt show nvidia-kernel-source-$DRIVER 2>&1 | grep -v "does not have a stable" | grep Version: | head -n1 | cut -f2 -d":" | tr -d ' ')" > ./linux-nvidia-modules/DRIVER_VERSION
@@ -23,9 +22,15 @@ VERSION="$(cat ./DRIVER)-$(cat ./KERNEL)-100pika5"
 
 echo -e "linux-nvidia-modules ("$VERSION") pikauwu; urgency=medium\n\n  * New Release\n\n -- Ward Nakchbandi <hotrod.master@hotmail.com> Sat, 01 Oct 2022 14:50:00 +0200" > debian/changelog
 
-if echo $VERSION | grep $(cat ./DRIVER_PIKA)
+if echo $VERSION  | grep -v "$(cat ./pika_nvidia.txt)"
 then
-  echo "Driver up to date"
+  echo "driver already built"
+  exit 0
+fi
+
+
+if cat ./pika_nvidia.txt | grep "$(cat ./new_nvidia.txt)"
+  echo "driver up to date"
   exit 0
 fi