There is an updated pull request by sineemore against master on the void-packages repository

https://github.com/sineemore/void-packages gitea-fix-install
https://github.com/void-linux/void-packages/pull/18705

gitea: fix INSTALL script
With current INSTALL sed process reveals generated secret key; it can be viewed by monitoring /proc or by using extrace.
Also sed pattern <SECRET_KEY> fails, since there no such substring in provided sample configuration.

A patch file from https://github.com/void-linux/void-packages/pull/18705.patch is attached