#!/usr/bin/env bash set -o pipefail set -o errexit set -o nounset if [[ $FISH_RELEASE = "brew" ]]; then brew update brew install fish else if [[ $FISH_RELEASE == "2" ]]; then REPO_PPA="ppa:fish-shell/release-2" else REPO_PPA="ppa:fish-shell/release-3" fi if [[ $FISH_RELEASE != "stock" ]]; then sudo apt-add-repository -y $REPO_PPA fi sudo apt-cache policy fish sudo apt-get update sudo apt-get install -y fish fi fish --version