pupdate

#!/bin/bash

# pupdate - your update fetching friend 🐶

# MIT License

# Copyright (C) 2018  Steven Stockhamer

# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:

# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

# TODO: with/without restart (auto restart?)
#   if [[ $string =~ "[restart]" ]]; then

# TODO: quieter by default, only tell the user what they care about
#  like: brew caveats, doctor errors, need to restart

readonly VERSION="0.0.2"
readonly URL="https://github.com/stevestock/pupdate"

# only run self-update commands if not managed by homebrew
readonly ALL_SUPPORTED_CMDS=(
  "n" #sudo
  "npm" #sudo
  "softwareupdate" #sudo, restart
  "brew" #invalidates sudo, must go after sudos
  "yarn"
  "gem"
  "apm"
  "sdkmanager"
  "composer" #self-update
  "mas"
  "pip"
  "pip3"
)

COMMANDS_AVAILABLE=()
COMMANDS_NOT_AVAILABLE=()

# https://stackoverflow.com/a/23342259
echo_and_run() {
  if [[ "$SILENT" = true ]]; then
    if [[ "$1" = softwareupdate ]]; then
      # softwareupdate writes "No updates are available." to stderr
      "$@" >/dev/null 2>&1
    else
      "$@" >/dev/null
    fi
  else
    echo "🐶 $*"
    "$@"
  fi
}

display_help () {
  echo
  echo "pupdate v$VERSION - your update fetching friend 🐶"
  echo "© 2018 Steven Stockhamer, $URL"
  echo
  echo "Usage: pupdate [OPTIONS]"
  echo
  echo "Options:"
  echo "   -h            help"
  echo "   -l            list"
  echo "   -s            silent"
  echo "   -V            version"
}

display_list() {
  for command in "${COMMANDS_AVAILABLE[@]}"; do
    if [ "$(uname)" == "Darwin" ] && [ "$command" == "gem" ] && [ "$(command -v gem)" == "/usr/bin/gem" ]; then
      echo "✓ gem (OSX native)"
    else
      echo "✓ $command"
    fi
  done

  echo

  for command in "${COMMANDS_NOT_AVAILABLE[@]}"; do
    echo "✗ $command"
  done
}

while getopts ":hlsV" opt; do
  case $opt in
    h) display_help; exit 0 ;;
    l) LIST=true ;;
    s) SILENT=true ;;
    V) echo "$VERSION"; exit 0 ;;
    \?) echo "Invalid option: -$OPTARG" >&2; exit 1 ;;
  esac
done

readonly LIST
readonly SILENT

# check which commands are available
for command in "${ALL_SUPPORTED_CMDS[@]}"; do
  if [[ -x "$(command -v "$command")" ]]; then
    COMMANDS_AVAILABLE+=("$command")
  else
    COMMANDS_NOT_AVAILABLE+=("$command")
  fi
done

if [[ "$LIST" = true ]]; then
  display_list; exit 0
fi

# ask for a password upfront
sudo -v

# Keep-alive: update existing sudo time stamp if set, otherwise do nothing.
# Note that this doesn't work with Homebrew, since brew explicitly invalidates
# the sudo timestamp, which is probably wise.
# See https://gist.github.com/cowboy/3118588
while true; do sudo -n true; sleep 10; kill -0 "$$" || exit; done 2>/dev/null &

# perform updates for each available command
for command in "${COMMANDS_AVAILABLE[@]}"; do
  case "$command" in
      n) # n node version manager <https://github.com/tj/n>
        echo_and_run sudo n latest
        echo_and_run sudo n prune
        ;;
      npm) # npm - JavaScript (Node) Package Manager <https://www.npmjs.com>
        echo_and_run sudo npm update -g
        ;;
      brew) # Homebrew - MacOS Package Manager <https://brew.sh>
        echo_and_run brew update
        echo_and_run brew upgrade
        # occassional permissions issues
        # https://stackoverflow.com/a/46844441/884677
        echo_and_run brew cask upgrade
        echo_and_run brew cleanup -s
        echo_and_run brew doctor
        ;;
      gem) # RubyGems <https://rubygems.org>
        if [ "$(uname)" == "Darwin" ] && [ "$(command -v gem)" == "/usr/bin/gem" ]; then
          echo_and_run sudo gem update --system
          echo "🐶 [skipping sudo gem update for native OSX ruby]"
          echo_and_run sudo gem cleanup
        else
          echo_and_run gem update --system
          echo_and_run gem update
          echo_and_run gem cleanup
        fi
        ;;
      softwareupdate) # Mac OS ($man softwareupdate)
        echo_and_run sudo softwareupdate --install --all
        ;;
      apm) # Atom Package Manager <https://github.com/atom/apm>
        echo_and_run apm upgrade --no-confirm
        ;;
      # Android <https://developer.android.com/studio/command-line/sdkmanager>
      sdkmanager) 
        echo_and_run sdkmanager --update
        ;;
      composer)
        if [[ ! $(brew list) =~ "composer"[[:space:]] ]]; then
          echo_and_run php composer.phar self-update
        fi
        if [[ -f "$HOME/.composer/composer.json" ]]; then
          echo_and_run composer global update
        fi
        ;;
      mas)
        echo_and_run mas upgrade
        ;;
      yarn)
        echo_and_run yarn global upgrade --silent
        ;;
      pip)
        echo "🐶 Updating pip packages"
        # echo_and_run doens't handle pipes gracefully, too long anyway
        pip list --outdated --format=freeze --local \
          | grep -v '^\-e' \
          | cut -d = -f 1  \
          | xargs -n1 pip install -U
        ;;
      pip3)
        echo "🐶 Updating pip3 packages"
        # echo_and_run doens't handle pipes gracefully, too long anyway
        pip3 list --outdated --format=freeze --local \
        | grep -v '^\-e' \
        | cut -d = -f 1 \
        | xargs -n1 pip3 install -U
        ;;
      *)
        echo "unexpected command: $command" >&2; exit 1
  esac
done

exit 0