Fix: Wait for backgroup apt upgrade

Change-Id: I8fa77b49f15b82e18360cbfeea60313e8aa14581

diff --git a/jjb/infra/update-jenkins-slave.sh b/jjb/infra/update-jenkins-slave.sh
index 6d8bdd01ec3917a7ff6d7ecaf14ffaa85577c446..a9b649b2cb8eebc76ac4b42146b848cbc7870417 100644 (file)
--- a/jjb/infra/update-jenkins-slave.sh
+++ b/jjb/infra/update-jenkins-slave.sh
@@ -3,6 +3,7 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
+DPKG_LOCK="/var/lib/dpkg/lock-frontend"
 # Wait for other apt process to finish by checking the dpkg lock file.
 try=0
 while sudo lsof ${DPKG_LOCK}  > /dev/null 2>&1 ; do