Code review comment for lp:~jml/udd/symbol-import

> add_failed_jobs is duplicating add_jobs_for_interrupted. If my new one
> is missing functionality, then so is the existing one.

No, retry indeed works for a single package, but it takes care about keeping track of previous failures which is the part that is missing. add_jobs_for_interrupted is catching up for... interrupted jobs which did not fail but needs to be spawn again.