OLD_CHARMS_NAMES="prometheus grafana"
for charm in $NEW_CHARMS_NAMES; do
if [ $(git diff --name-only "origin/${GERRIT_BRANCH}" -- "installers/charm/${charm}" | wc -l) -ne 0 ]; then
OLD_CHARMS_NAMES="prometheus grafana"
for charm in $NEW_CHARMS_NAMES; do
if [ $(git diff --name-only "origin/${GERRIT_BRANCH}" -- "installers/charm/${charm}" | wc -l) -ne 0 ]; then