Use -p while creating tmp dir for jenkins build.
Our jenkins build fails when creating the tmp dir `/tmp`. This commit
adds a -p flag to the mkdir command to avoid this failure.
diff --git a/tool/jenkins/jenkins_build.sh b/tool/jenkins/jenkins_build.sh
index 8bd46cc..2ca6942 100755
--- a/tool/jenkins/jenkins_build.sh
+++ b/tool/jenkins/jenkins_build.sh
@@ -81,12 +81,12 @@
docker exec madlib bash -c '/build/src/bin/madpack -s mad -p postgres -c postgres/postgres@localhost:5432/postgres install' | tee $workdir/logs/madlib_install.log
cat <<EOF
-docker exec madlib bash -c 'mkdir /tmp'
+docker exec madlib bash -c 'mkdir -p /tmp'
docker exec madlib bash -c '/build/src/bin/madpack -s mad -p postgres -c postgres/postgres@localhost:5432/postgres -d /tmp dev-check' | tee $workdir/logs/madlib_dev_check.log
docker exec madlib bash -c '/build/src/bin/madpack -s mad -p postgres -c postgres/postgres@localhost:5432/postgres -d /tmp unit-test' | tee -a $workdir/logs/madlib_dev_check.log
EOF
-docker exec madlib bash -c 'mkdir /tmp'
+docker exec madlib bash -c 'mkdir -p /tmp'
# Run dev check
docker exec madlib bash -c '/build/src/bin/madpack -s mad -p postgres -c postgres/postgres@localhost:5432/postgres -d /tmp dev-check' | tee $workdir/logs/madlib_dev_check.log
# Run unit tests, and append output to dev_check's log file