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embark-docker/macOS-bash4-upgragde.md

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macOS Bash v4 Upgrade Instructions

When using the run_embark <cmd> commands, you receive the error ERROR: this script requires Bash version >= 4.0 on macOS, follow the steps below to upgrade bash to v4:

  1. Install HomeBrew (if not already installed): ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
  2. Update HomeBrew packet database and install bash: brew update && brew install bash
  3. Change your application to use the correct shell. For example, in Terminal, open Preferences, then change Shells open with: to /usr/local/bin/bash: Terminal preferences In iTerm2, change Preferences > Profiles > (Select profile) > General > Command > Command to /usr/local/bin/bash: iTerm2 preferences
  4. bash --version should show version 4+: $ bash --version GNU bash, version 4.4.23(1)-release (x86_64-apple-darwin17.5.0) Copyright (C) 2016 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
  5. There is a guide to upgrading to bash 4 in macOS if you need more help.