Hey @pgelinas we try to avoid Ruby's `system` and backticks for shelling out. Can we just use pure Chef and bash here:

```ruby
not_if "test -f /usr/local/bin/couchdb && /usr/local/bin/couchdb -V | grep 'Apache CouchDB #{node['couch_db']['src_version']}'"
```

Please re-mark the JIRA ticket as Fix Provided after you've made these changes.