I have migrated DB of Bugzilla to JIRA. We have container bugs in Bugzilla which contain bugs in their 'Depends on' field. Note that the bugs mentioned in "Depends on" filed can also contain other bugs in the same filed.
We have created a script which hierarchically (also shows dependency of dependent bugs) reports dependencies for every container bug.
Is there a way to do this in Jira without using such a script?
If you can use the issue navigator to search it out, the you should be able to pull the data out. But I'm assuming that you will be using the issue link feature to link issues in JIRA together which does not have much reporting functionality in JIRA.
Having said that, you can use a couple of add ons like the following to show the links:
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