Also test for absence of GPG_PASSPHRASE

Author: Roshan George

deploy

@@ -25,7 +25,7 @@ if [ -z "$GPG_KEY_NAME" ]; then
   exit 1
 fi
 
-if [ -z "$GPG_KEY_NAME" ]; then
+if [ -z "$GPG_PASSPHRASE" ]; then
   echo "missing environment value: GPG_PASSPHRASE" >&2
   exit 1
 fi