JIRA integration is only available in RhodeCode Enterprise.
In order to make issue numbers clickable in commit messages, see the Issue Tracker Integration section. The JIRA integration only deals with altering JIRA issues.
The JIRA integration allows you to reference and change issue statuses in
JIRA directly from commit messages using commit message patterns such as
fixes #JIRA-235 in order to change the status of issue JIRA-235 to
In order to apply a status to a JIRA issue, it is necessary to find the transition status id in the Workflow section of JIRA.
Once you have the transition status id, you can create a JIRA integration as outlined in Creating an Integration.