cron script to update brew and python

nightly

#!/usr/bin/env bash
set -e

######################################################################

NOT_FOUND="EXECUTABLE NOT FOUND"

get_first_path() {
    for path in "$@"; do
        if [ -e "$path" ]; then
            echo "$path"
            return
        fi
    done
    echo "${NOT_FOUND}"
}

declare -A LOOKUP
LOOKUP[home]=$(get_first_path "${HOME}" /Users/adam /home/adam /home/agagorik)
LOOKUP[cat]=$(get_first_path "/home/linuxbrew/.linuxbrew/bin/mdcat" "/usr/local/bin/mdcat" "/usr/bin/cat")
LOOKUP[git]=$(get_first_path "/home/linuxbrew/.linuxbrew/bin/git" "/usr/local/bin/git")
LOOKUP[apt]=$(get_first_path "/usr/bin/apt")
LOOKUP[brew]=$(get_first_path "/home/linuxbrew/.linuxbrew/bin/brew" "/usr/local/bin/brew")
LOOKUP[pyenv_root]=$(get_first_path "${LOOKUP[home]}/.pyenv")
LOOKUP[pyenv]=$(get_first_path "${LOOKUP[pyenv_root]}/libexec/pyenv")
LOOKUP[pipx]=$(get_first_path "/home/linuxbrew/.linuxbrew/bin/pipx" "/usr/local/bin/pipx")
LOOKUP[python]=$(get_first_path "${LOOKUP[pyenv_root]}/versions/3.11.8/bin/python")
LOOKUP[poetry]=$(get_first_path "${LOOKUP[home]}/.local/bin/poetry")
LOOKUP[rust]=$(get_first_path "${LOOKUP[home]}/.cargo/bin/rustup")
LOOKUP[nvm]="nvm"

######################################################################

function head() {
    echo "------" | "${LOOKUP[cat]}"
    echo "# $1" | "${LOOKUP[cat]}"
    echo ""
}

function daeh {
    echo ""
}

######################################################################

function usage() {
    echo "usage: all|apt|brew|pyenv|poetry|rust|nvm"
}

if [ $# -eq 0 ]; then
    usage
    exit 0
fi

######################################################################

head "DATE"
/bin/date
daeh

######################################################################

head "LOOKUP"
for key in "${!LOOKUP[@]}"; do
    printf "* %-10s : ${LOOKUP[$key]}\n" "${key}" | "${LOOKUP[cat]}"
done
daeh

######################################################################
function run_if_lookup_valid() {
  head "$2"
  if [ -z "${LOOKUP[${2}]}" ] || [ "${LOOKUP[${2}]}" = "${NOT_FOUND}" ]; then
    echo "unknown command: ${2}"
  else
    $1
    ran_something=1
  fi
  daeh
  return 0
}

function run_if_all_or_selected_exit() {
  # skip on MacOS ?
  if [[ "$OSTYPE" == "darwin"* ]] && [ "${4}" = "skip-macos" ]; then
    return 0
  fi
  # run all
  if [ "${1}" = "all" ] || [ "${1}" = "${3}" ]; then
    run_if_lookup_valid "${2}" "${3}"
  fi
}

######################################################################

# shellcheck disable=SC2317
function cleanup() {
  if [ -z "${ran_something}" ]; then
    usage
    echo "error: no valid commands or unknown key"
  fi
}

trap cleanup EXIT

######################################################################

# shellcheck disable=SC2317
function do_update() {
  sudo "${LOOKUP[apt]}" update -y && \
  sudo "${LOOKUP[apt]}" upgrade -y && \
  sudo "${LOOKUP[apt]}" autoremove -y && \
  sudo "${LOOKUP[apt]}" clean -y && \
  sudo "${LOOKUP[apt]}" autoclean -y
}

run_if_all_or_selected_exit "$1" do_update "apt" "skip-macos"

######################################################################

# shellcheck disable=SC2317
function do_update() {
  "${LOOKUP[brew]}" tap --repair
  "${LOOKUP[brew]}" update
  "${LOOKUP[brew]}" upgrade
  "${LOOKUP[brew]}" cleanup
}

run_if_all_or_selected_exit "$1" do_update "brew"

######################################################################

# shellcheck disable=SC2317
function do_update() {
  local py
  "${LOOKUP[git]}" -C "${LOOKUP[pyenv_root]}" pull
  for py in $("${LOOKUP[pyenv]}" versions --bare); do
      daeh
      head "pyenv: $py"
      "${LOOKUP[pyenv]}" local "$py"
      "${LOOKUP[pyenv]}" exec python --version
      "${LOOKUP[pyenv]}" exec pip cache purge -v
      "${LOOKUP[pyenv]}" exec pip install --upgrade pip
      if [ "$("${LOOKUP[pyenv]}" exec pip freeze)" ]; then
          "${LOOKUP[pyenv]}" exec pip freeze | xargs "${LOOKUP[pyenv]}" exec pip uninstall -y
      fi
      "${LOOKUP[pyenv]}" exec pip install virtualenv --upgrade
  done
}

run_if_all_or_selected_exit "$1" do_update "pyenv"

######################################################################

# shellcheck disable=SC2317
function do_update() {
  if [ -z "${PIPX_REINSTALL_ALL}" ]; then
    "${LOOKUP[pipx]}" upgrade-all --skip conan
  else
    "${LOOKUP[pipx]}" reinstall-all --python "${LOOKUP[python]}" --skip conan
  fi
}

run_if_all_or_selected_exit "$1" do_update "pipx"

######################################################################

# shellcheck disable=SC2317
function do_update() {
  "${LOOKUP[poetry]}" self update
}

run_if_all_or_selected_exit "$1" do_update "poetry"

######################################################################

# shellcheck disable=SC2317
function do_update() {
  "${LOOKUP[rust]}" update
}

run_if_all_or_selected_exit "$1" do_update "rust"

######################################################################

# shellcheck disable=SC2317
function do_update() {
  PROFILE=/dev/null bash -c 'curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash'
}

run_if_all_or_selected_exit "$1" do_update "nvm"