Comprehensive macOS homebrew updates

brewup.sh

burp() (
  ##
  # Comprehensively update everything locally installed that I can manage.
  
  local kubectl
  softwareupdate -ia  # Check for macOS updates
  brew up  # Update the list of applications in brew
  brew upgrade  # Update any outdated brew applications
  brew list --cask | xargs -n1 brew upgrade --cask  # Update any brew casks that were missed
  
  ##
  # Repair if Docker Cask stomped on kubectl install
  kubectl="$(readlink /usr/local/bin/kubectl)"
  case "$kubectl" in
    ''|/Applications/Docker.app/Contents/Resources/bin/kubectl)
      echo 'Docker Cask overwrote our files. Repairing kubernetes-cli.'
      brew unlink kubernetes-cli || true
      brew link --overwrite kubernetes-cli
    ;;
  esac
  
  brew doctor  # Check health of brew install
  
  vimup
  pyup
)


vimup() {
  # Update vim bundles installed with pathogen (separate function)
  
  find "$HOME/.vim" -type d -iname '.git' -print -execdir git pull --recurse-submodules --rebase \;
}

pyup() {
  # Update all the pyenv python versions and make sure core packages are installed
  # (Don't install 3.6 because it doesn't build on macos.
  
  
  local -a current have newest outdated want
  # The versions we have now.
  mapfile -t current < <(pyenv versions --bare | sort -rV)
  # The newest versions pyenv is aware of
  mapfile -t newest < <(
    pyenv install --list |
      sort -rV |
      awk '$1~/^3\.(10|[789])\.(10|[0-9])/{split($1, a, "."); if (!s[a[2]]++) print $1}')
  # The versions we have that are already newest
  mapfile -t have     < <(comm -12 <(printf '%s\n' "${current[@]}") <(printf '%s\n' "${newest[@]}"))
  # The versions we don't have that are newest
  mapfile -t want     < <(comm -13 <(printf '%s\n' "${current[@]}") <(printf '%s\n' "${newest[@]}"))
  # The versions we have that are not newest
  mapfile -t outdated < <(comm -23 <(printf '%s\n' "${current[@]}") <(printf '%s\n' "${newest[@]}"))

  echo
  if (( ${#have[@]} )); then
    echo " * Python versions ${have[*]} are up-to-date."
  else
    echo ' * No Python versions are up-to-date.'
  fi
  echo
  if (( ${#outdated[@]} )); then
    echo " * Python versions ${outdated[*]} are out-of-date."
  else
    echo ' * No Python versions are out-of-date.'
  fi
  echo
  if (( ${#want[@]} )); then
    echo " * Installing Python versions ${want[*]}".
  else
    echo ' * No new Python versions to install.'
  fi
  echo 

  if (( ${#want[@]} )); then
    for v in "${want[@]}"; do
      pyenv install "$v"
    done
    comm -23 <(printf '%s\n' "${current[@]}") <(printf '%s\n' "${newest[@]}") |
      xargs -n1 pyenv uninstall -f
  fi

  # Activate the newly installed pythons
  pyenv versions --bare | sort -rn | xargs pyenv global
  # Make sure pip, setuptools, tox-wheel and wheel are installed in each global pyenv
  pyenv versions --bare | sort -rn | while read -r ver; do
    "python${ver%.*}" -m pip install --upgrade build pip setuptools tox-wheel wheel
  done
}


burp