fresh-brew.local

#!/usr/bin/env bash

python_version="3.11.3"

##### START OF HELPER FUNCTIONS #####

# If this breaks, you can look at the config instructions on their README
# https://github.com/pyenv/pyenv#homebrew-in-macos
configure_shell_file_for_pyenv() {
  # This env var isn't really well documented, but essentially there's a prompt that comes
  # up if you don't have this set letting you know that the pyenv venv prompt will change
  # in the future.
  append_to_file "$shell_file" "export PYENV_VIRTUALENV_DISABLE_PROMPT=1"

  if [[ $SHELL == *fish ]]; then
    # shellcheck disable=SC2016
    append_to_file "$shell_file" 'set -Ux PYENV_ROOT $HOME/.pyenv'
    # shellcheck disable=SC2016
    append_to_file "$shell_file" 'set -U fish_user_paths $PYENV_ROOT/bin $fish_user_paths'
    append_to_file "$shell_file" 'status is-login; and pyenv init --path | source'
    append_to_file "$shell_file" 'status --is-interactive; and source (pyenv init - | psub)'

  elif [[ $SHELL == *zsh ]]; then
    # shellcheck disable=SC2016
    append_to_file "$shell_file" 'eval "$(pyenv init -)"'

  elif [[ $SHELL == *bash ]]; then
    # shellcheck disable=SC2016
    append_to_file "$shell_file" 'export PYENV_ROOT="$HOME/.pyenv"'
    # shellcheck disable=SC2016
    append_to_file "$shell_file" 'export PATH="$PYENV_ROOT/bin:$PATH"'
    # shellcheck disable=SC2016
    append_to_file "$shell_file" 'eval "$(pyenv init --path)"'
    # shellcheck disable=SC2016
    append_to_file "$shell_file" 'eval "$(pyenv init -)"'
  fi
}

install_python_with_pyenv() {
  fancy_echo "Installing python $python_version ..."

  if pyenv versions | grep -q "$python_version"; then
    fancy_echo "python $python_version already installed."
  else
    pyenv install "$python_version"
  fi
}

# If direnv stops working, it might be because the setup commands changed.
# Check the documentation:
# https://github.com/direnv/direnv/blob/master/docs/hook.md
configure_shell_file_for_direnv() {
  if [[ $SHELL == *fish ]]; then
    append_to_file "$shell_file" "direnv hook fish | source"
  elif [[ $SHELL == *zsh ]]; then
    # shellcheck disable=SC2016
    append_to_file "$shell_file" 'eval "$(direnv hook zsh)"'
  elif [[ $SHELL == *bash ]]; then
    # shellcheck disable=SC2016
    append_to_file "$shell_file" 'eval "$(direnv hook bash)"'
  fi
}

##### END OF HELPER FUNCTIONS #####

fancy_echo "Running your customizations from fresh-brew.local ..."

if [ -f "Brewfile.local" ]; then
  if brew bundle --file="Brewfile.local"; then
    fancy_echo "All items in Brewfile.local were installed successfully."
  else
    fancy_echo "Some items in Brewfile.local were not installed successfully."
  fi
fi

configure_shell_file_for_pyenv

# make sure that any functions that write to the shell file appear before this
# direnv function below because the direnv line has to be at the very end of the
# shell file.
configure_shell_file_for_direnv

install_python_with_pyenv

fancy_echo "******* IMPORTANT **************************************"
fancy_echo "If you get errors below, quit and restart your terminal,"
fancy_echo "or open a new tab, and run 'make setup' again."
fancy_echo "********************************************************"