Fix unbound variable in kzip script

Change-Id: Id7f81677389cb853da064a43f1d5d54b2271f0c0
2021-05-21 00:50:21 +00:00
parent c3a800f611
commit 2aded7dd55
1 changed files with 1 additions and 1 deletions
--- a/build_kzip.bash
+++ b/build_kzip.bash
@@ -18,7 +18,7 @@

 # If the SUPERPROJECT_REVISION is defined as a sha, use this as the default value if no
 # SUPERPROJECT_SHA is specified.
-if [[ $SUPERPROJECT_REVISION =~ [0-9a-f]{40} ]]; then
+if [[ ${SUPERPROJECT_REVISION:-} =~ [0-9a-f]{40} ]]; then
  : ${KZIP_NAME:=${SUPERPROJECT_REVISION:-}}
 fi