One Liner:
cd /tmp && curl -LOs https://gist.github.com/jnovack/e66f40e7a31e04f909c2f503c6df7367/raw/Makefile && make
I hate HomeBrew for the overhead just to install a simple package (which should be installed on OSX by default!).
Change Log
- 2019-05-28 : Fixed URLs
I am curious why you chose 1.3 for the version since 2.8 is the latest version of bash-completion. Is there an issue with it above 1.3 on a Mac?