fish failed to build - Githubissues

Please fill out the issue checklist below and provide all the requested information.

[X] ran a brew command and reproduced the problem with multiple formulae? If it's a problem with a single, official formula (not cask) please file this issue at Linuxbrew/homebrew-core: https://github.com/Linuxbrew/homebrew-core/issues/new/choose. If it's a brew cask problem please file this issue at https://github.com/Homebrew/homebrew-cask/issues/new/choose. If it's a tap (e.g. Homebrew/homebrew-php) problem please file this issue at the tap.
[X] ran brew update and can still reproduce the problem?
[X] ran brew doctor, fixed all issues and can still reproduce the problem?
[X] ran brew config and brew doctor and included their output with your issue?

To help us debug your issue please explain:

What you were trying to do (and why) I was trying to install fish
What happened (include command output) Fish failed to install. See: https://gist.github.com/au5ton/93aee61d84da16a107042ff668b69686
What you expected to happen I expected fish to install successfully.
Step-by-step reproduction instructions (by running brew commands) brew install fish

Linuxbrew / brew