https://github.com/mdittmer/web-apis#serving-locally-for-development `. ./scripts/dev_env.sh` results in the following errors on a Mac running bash: ``` dirname: illegal option -- b usage: dirname path readlink: illegal option -- f usage: readlink [-n] [file ...] ``` The BSD readline doesn't have the -f option. And there's something different about what $0 means I guess.