~ubuntu-branches/ubuntu/intrepid/nvidia-graphics-drivers-173/intrepid

SOURCES="/var/lib/dkms/nvidia/"

VERSION=173.15.13

STATUS=$(dpkg --compare-versions "$PKGVER" lt "$VERSION" && echo "True" || echo "False")

 

                # act only if the version of the current package is lower than $VERSION

                if [ "$STATUS" = "True" ]; then

                        echo "Cleaning up the DKMS tree"

                        for directory in $(ls $SOURCES); do

                                kind=$(echo "$directory" | awk '$1 ~ /.*[a-z].*$/ { print "alpha"; next } { print "num" }')

                                # the names of the directories containing the version of the driver are digits (e.g. 177.70)

                                if [ "$kind" = "num" ]; then

                                        comparison=$(echo "$directory" | awk -v Version="$PKGVER" '($1 != Version) { print "yes"; next } { print "no" }')

                                        # if the version is less than $VERSION

                                        if [ "$comparison" = "yes" ]; then

                                                rm -rf $SOURCES$directory 2>/dev/null

                                        fi

                                fi

                        done

                        echo "Done."

                fi