New comment by foopub on void-packages repository

https://github.com/void-linux/void-packages/issues/13024#issuecomment-772679789

Comment:
Welp... It turns out `/sys/power/resume` can take a path format too, i.e. /dev/sda3

`(readlink -fn $resume > /sys/power/resume)>/.resume` is by far the best solution.