New review comment by TrueTechie on void-packages repository

https://github.com/void-linux/void-packages/pull/40454#discussion_r1019790411

Comment:
The install procedure requires it for the layouts as far as I can tell. Without it on the host system, it fails:

```
...
cd data/layouts/cupertino; tar  -cvjf "../Cupertino.tar.bz2" *
/bin/sh: line 1: tar: command not found
make: *** [Makefile:36: layouts] Error 127
```