There is a new pull request by sgn against master on the void-packages repository

https://github.com/sgn/void-packages 99-pkglint-speedup
https://github.com/void-linux/void-packages/pull/27137

99-pkglint-subpkgs: replace grep with case..esac
On experience with 100 subpkgs, this change reduces execution time from
284ms to 4ms

A patch file from https://github.com/void-linux/void-packages/pull/27137.patch is attached