As an alternative, can't you use a plugin for JIRA to do this? There is one for SVN integration e.g. Subversion JIRA plugin. It seems the information that you want is in the JIRA database.
Cheers
Harry
In reply to Re: Grepping SVN log for JIRA issues
by dHarry
in thread Grepping SVN log for JIRA issues
by kmartin
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