Fix unbound Variable crashes

1 files changed, 4 insertions, 2 deletions

diff --git a/pkgsync-ng-nt b/pkgsync-ng-nt
index d8c8d8f..da1f32a 100755
--- a/pkgsync-ng-nt
+++ b/pkgsync-ng-nt
@@ -11,7 +11,7 @@
 # AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
 # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
-if [ -z "PACKAGE_NAME" ]; then
+if [ -z "$PACKAGE_NAME" ]; then
 	PACKAGE_NAME="pkgsync-ng-nt"
 fi
 
@@ -66,9 +66,11 @@ Conflicts:   $DONT_INSTALL
 Description: Metapackage for all needed packages.
   This is a dummy package, depending on other packages to make Package Management easier.
 EOF
-if ! [ -z ""$PACKAGE_MAINTAINER ]; then
+set +u
+if ! [ -z "$PACKAGE_MAINTAINER" ]; then
 	echo "Maintainer:  $PACKAGE_MAINTAINER" >> "$PACKAGE_NAME"
 fi
+set -u
 
 equivs-build "$PACKAGE_NAME"