Even though this is an often requested feature since early 2011, and labelled as a small improvement only, such nested/recursive expansion of variables is still not available in Bamboo as of today, so you might want to watch/vote/comment on the resp. issue accordingly:
Depending on your specific scenario, you might be able to address your use case with the (commercial) Nested Variables for Bamboo add-on, which allows to Re-use variables and Unlimited nesting of variables:
There is no limit to the nesting of variables. The add-on will continue to replace nested variables until it can no longer find a correct value. [...]
However, as already mentioned in the issue, this add-on is only available for Bamboo Server due to 3rd party add-ons not being supported in Bamboo Cloud yet either.
Thanks for signing up for Jira Ops! I’m Matt Ryall, leader for the Jira Ops product team at Atlassian. Since this is a brand new product, we’ll be delivering improvements quickly and sharing updates...
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