fix deb-src

Author: Rock Qu

sdbuild/scripts/create_rootfs.sh

@@ -58,8 +58,6 @@ adduser xilinx adm
 adduser xilinx sudo
 
 fake-hwclock save
-
-exit 0
 EOT
 
 if [ -n "$PYNQ_UBUNTU_REPO" ]; then
@@ -69,6 +67,11 @@ echo "deb-src http://ports.ubuntu.com/ubuntu-ports bionic main universe" >> /etc
 EOT
 fi
 
+cat - >> $target/postinst2.sh <<EOT
+exit 0
+EOT
+
+
 # Copy over what we need to complete the installation
 $dry_run sudo cp ${QEMU_EXE} $target/usr/bin