tl;dr Just add following function to ~/.config/fish/config.fish function brew set -xl PATH $PATH # Protect global PATH by local PATH if type -q pyenv; and contains (pyenv root)/shims $PATH set -e PATH[(contains -i (pyenv root)/shims $PATH)] end command brew $argv end
![Avoid warning of 'brew doctor' with fish & pyenv - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/ca10470cadcf2f9c32f96d73bfdc502541e306ea/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-412672c5f0600ab9a64263b751f1bc81.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTk3MiZoPTM3OCZ0eHQ9QXZvaWQlMjB3YXJuaW5nJTIwb2YlMjAlMjdicmV3JTIwZG9jdG9yJTI3JTIwd2l0aCUyMGZpc2glMjAlMjYlMjBweWVudiZ0eHQtYWxpZ249bGVmdCUyQ3RvcCZ0eHQtY29sb3I9JTIzMjEyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTU2JnM9NDJjNjVlNjgwN2ZlMWRlZjQxNWJiNmIwMjM3M2IwMTk%26mark-x%3D142%26mark-y%3D57%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZoPTc2Jnc9NzcwJnR4dD0lNDBrb21vJnR4dC1jb2xvcj0lMjMyMTIxMjEmdHh0LWZvbnQ9SGlyYWdpbm8lMjBTYW5zJTIwVzYmdHh0LXNpemU9MzYmdHh0LWFsaWduPWxlZnQlMkN0b3Amcz04MTNjMDBiY2FkMGUyNzU2M2M1MDdiMWZhOGI1Njg0MQ%26blend-x%3D142%26blend-y%3D486%26blend-mode%3Dnormal%26s%3D9e29561791cd2ed7186ff37889bb8fbd)