update.sh

#!/bin/bash

# Installation: save to /usr/local/bin/update
#               and chmod +x /usr/local/bin/update

# Usage: update

set -euo pipefail

if [ -d ".git" ]; then
  dirty=$(git status --porcelain)

  if [ -n "$dirty" ]; then
    git add .
    git stash
  fi

  git pull --rebase || true

  if [ -n "$dirty" ]; then
    git stash pop
  fi
fi

if [ -f "Gemfile.lock" ]; then
  bundle update
fi

if [ -f "yarn.lock" ]; then
  yarn upgrade
elif [ -f "package.json" ]; then
  npm update
fi

if [ -f "bower.json" ]; then
  bower update
fi

if [ -f "composer.lock" ]; then
  composer update
fi