Update install script to be used on second level directory

install.sh

@@ -30,7 +30,7 @@ chkhost(){
 #check if bsp installed in the correct folder on host machine
 chkfolder(){
     
-    if [ $(basename $(dirname $(pwd))) != "Linux_for_Tegra" ] || [ $(basename $(pwd)) != "CTI-L4T" ]; then
+    if [ $(basename $(dirname $(dirname $(pwd)))) != "Linux_for_Tegra" ] || [ $(basename $(pwd)) != "CTI-L4T" ]; then
         echo "This BSP should be extracted in the Linux_for_Tegra directory"
         echo "of your Jetpack install. This install script  must be run from the"
         echo "Linux_for_Tegra/CTI-L4T directory"
@@ -40,67 +40,67 @@ chkfolder(){
 }
 
 update_debsrc_list(){
-    if [ -f ../rootfs/etc/apt/sources.list.d/nvidia-l4t-apt-source.list ]; then
+    if [ -f $PWD/../../rootfs/etc/apt/sources.list.d/nvidia-l4t-apt-source.list ]; then
         echo "Suppressing nvidia-l4t-apt-source"
         if ! type sed > /dev/null; then
-            mv ../rootfs/etc/apt/sources.list.d/nvidia-l4t-apt-source.list ../rootfs/etc/apt/sources.list.d/nvidia-l4t-apt-source.list.old  
+            mv $PWD/../../rootfs/etc/apt/sources.list.d/nvidia-l4t-apt-source.list $PWD/../../rootfs/etc/apt/sources.list.d/nvidia-l4t-apt-source.list.old
         else
-            sed -i 's/^/#/' ../rootfs/etc/apt/sources.list.d/nvidia-l4t-apt-source.list
+            sed -i 's/^/#/' $PWD/../../rootfs/etc/apt/sources.list.d/nvidia-l4t-apt-source.list
         fi
     fi
 }
 
 
 install_extra(){
-    cp ./extra/*.deb ../nv_tegra/l4t_deb_packages/
-    #cp ./extra/*.asc ../rootfs/etc/apt/trusted.gpg.d/
-    cp ./extra/*.list ../rootfs/etc/apt/sources.list.d/
+    cp ./extra/*.deb $PWD/../../nv_tegra/l4t_deb_packages/
+    #cp ./extra/*.asc $PWD/../../rootfs/etc/apt/trusted.gpg.d/
+    cp ./extra/*.list $PWD/../../rootfs/etc/apt/sources.list.d/
 }
 
 install_key(){
-    cp -f ./key/* ../rootfs/etc/apt/trusted.gpg.d/
+    cp -f ./key/* $PWD/../../rootfs/etc/apt/trusted.gpg.d/
 }
 
 install_conf(){
 
-    cp -rf ./conf/* ../
+    cp -rf ./conf/* $PWD/../../
 
 }
 
 install_dtb(){
-    cp ./kernel/dtb/* ../kernel/dtb/
+    cp ./kernel/dtb/* $PWD/../../kernel/dtb/
 
 }
 
 install_kernel(){
     # remove old debs 
-    rm ../kernel/*.deb
+    rm $PWD/../../kernel/*.deb
     
     # copy kernel debs
-    cp ./kernel/*.deb ../kernel
-    cp ./kernel/*Image ../kernel
-    cp ./kernel/kernel_supplements.tbz2 ../kernel/
+    cp ./kernel/*.deb $PWD/../../kernel
+    cp ./kernel/*Image $PWD/../../kernel
+    cp ./kernel/kernel_supplements.tbz2 $PWD/../../kernel/
 }
 
 
 install_bl(){
     if [ "$(ls -A ./bl)" ]; then
-        cp -r ./bl/* ../bootloader/
+        cp -r ./bl/* $PWD/../../bootloader/
     fi
 
 }
 
 install_rootfs(){
     if [ "$(ls -A ./rootfs)" ]; then
-        cp -r ./rootfs/* ../rootfs/
+        cp -r ./rootfs/* $PWD/../../rootfs/
     fi
 }
 
 install_ver_file(){
 
-    mkdir -p ../rootfs/etc/cti
+    mkdir -p $PWD/../../rootfs/etc/cti
 
-    echo $CTI_L4T_VER > ../rootfs/etc/cti/CTI-L4T.version 
+    echo $CTI_L4T_VER > $PWD/../../rootfs/etc/cti/CTI-L4T.version
 
 }
 
@@ -144,8 +144,8 @@ chkfolder
 tar -pxzf resources.tgz
 
 #install CTI-flash
-mv cti-flash.sh ..
-chmod +x ../cti-flash.sh
+mv cti-flash.sh $PWD/../../
+chmod +x $PWD/../../cti-flash.sh
 
 install_conf
 
@@ -159,7 +159,7 @@ install_ver_file
 
 install_extra
 
-pushd ..
+pushd $PWD/../../
 
 ./apply_binaries.sh