dotfiles/install.sh

#!/usr/bin/env bash
#
# install.sh
#
# Installs dotfiles and packages for my setup
#
# Will first install yay, then all my used packages (read from bootstrap/packages.csv)
#
# Finally, symlinks all dotfiles into their correct locations using stow

bootstrap_dir="${BOOTSTRAP_DIRECTORY:-./_bootstrap}"

main() {
  local cmd=""
  local ret=0

  case "$1" in
  -v | --version)
    printf "Personal system bootstrap script.\n\n©Marty Oehme\n\nVersion: 0.1.1\n"
    ;;
  -h | --help)
    printf "Usage: install [-f|--force][-v|--version][-h|--help]\n\n-f     Do not ask for any confirmations but force update and installation.\n"
    ;;
  -f | --force)
    install true
    ;;
  *)
    install false
    ;;
  esac
  shift

  $cmd "$@"
  ret=$((ret + $?))
  exit $ret
}

check_consent() {
  echo "This will take a while, install many packages and link dotfiles all over the place. Proceed [y/N]?"
  read -r yes
  if [[ "$yes" != y* ]]; then
    echo "Exiting."
    exit
  fi
}

enable_git_hooks() {
  if [ "$1" == "false" ]; then
    echo "Should we enable git hooks for this repository, so that installed packages are automatically compared when committing? [Y/n]"
    read -r no
    if [[ "$no" == n* ]]; then
      echo "Not changing repository settings."
      return
    fi
  fi
  git config --local core.hooksPath .githooks/
  echo "Changed repository settings."
}

install() {
  unattended=$1
  if ! "$unattended"; then
    check_consent
  fi
  echo "====================== BEGINNING INSTALLATION ============================="
  if ! "$unattended"; then
    export BOOTSTRAP_PACKAGES="_bootstrap/packages.txt"
    "$bootstrap_dir"/install_packages.sh
  else
    export BOOTSTRAP_PACKAGES="_bootstrap/packages.txt"
    "$bootstrap_dir"/install_packages.sh -f
  fi
  unset BOOTSTRAP_PACKAGES

  echo "=================== BEGINNING DOTFILE MANAGEMENT =========================="
  # get all top level directories, remove their slashes and dots
  # finally get rid of .dot-directories, since they are for the repo not for my homedir
  targets="$(find . -maxdepth 1 -type d | sed -e 's/^\.\/\(.*\)$/\1/' | sed -e '/^\./d')"

  # shellcheck disable=2086
  # -- for some reason stow only works with unqoted var expansion
  stow -R ${targets} 2> >(grep -v 'Absolute/relative mismatch between Stow dir' 1>&2)

  echo "================== ENABLING GIT REPOSITORY HOOKS =========================="
  enable_git_hooks "$unattended"

  echo "====================== INSTALLATION FINISHED =============================="
  exit 0
}

main "$@"