$ brew install carlocab/personal/unrar
==> Tapping carlocab/personal
Cloning into '/usr/local/Homebrew/Library/Taps/carlocab/homebrew-personal'...
remote: Enumerating objects: 12, done.
remote: Counting objects: 100% (12/12), done.
remote: Compressing objects: 100% (9/9), done.
remote: Total 346 (delta 6), reused 9 (delta 3), pack-reused 334
Receiving objects: 100% (346/346), 105.69 KiB | 301.00 KiB/s, done.
Resolving deltas: 100% (204/204), done.
Tapped 9 formulae (40 files, 178KB).
==> Installing unrar from carlocab/personal
==> Downloading https://github.com/carlocab/homebrew-personal/releases/download/unrar-6.0.3/unrar-6.
==> Downloading from https://github-production-release-asset-2e65be.s3.amazonaws.com/310470753/154d6
######################################################################## 100.0%
==> Pouring unrar-6.0.3.catalina.bottle.tar.gz
==> Caveats
We agreed to the UnRAR license for you:
/usr/local/opt/unrar/license.txt
If this is unacceptable you should uninstall the formula.
==> Summary
🍺 /usr/local/Cellar/unrar/6.0.3: 6 files, 564.5KB