bootstrap.sh

#!/usr/bin/env bash
#
# bootstrap installs things.

# Credits to https://github.com/andrew8088/dotfiles

# cd "$(dirname "$0")/.."

git submodule init
git submodule update

DOTFILES=$(pwd -P)

set -e

echo ''

info() {
  printf "\r  [ \033[00;34m..\033[0m ] $1\n"
}

user() {
  printf "\r  [ \033[0;33m??\033[0m ] $1\n"
}

success() {
  printf "\r\033[2K  [ \033[00;32mOK\033[0m ] $1\n"
}

skipped() {
  printf "\r\033[2K  [ \033[00;38m//\033[0m ] $1\n"
}

fail() {
  printf "\r\033[2K  [\033[0;31mFAIL\033[0m] $1\n"
  echo ''
  exit
}

link_file() {
  local src=$1 dst=$2

  local overwrite=
  local backup=
  local skip=
  local action=

  if [ -f "$dst" ] || [ -d "$dst" ] || [ -L "$dst" ]; then

    if [ "$overwrite_all" == "false" ] && [ "$backup_all" == "false" ] && [ "$skip_all" == "false" ]; then
      # ignoring exit 1 from readlink in case where file already exists
      # shellcheck disable=SC2155
      local currentSrc="$(readlink $dst)"

      if [ "$currentSrc" == "$src" ]; then

        skip=true

      else

        user "File already exists: $dst ($(basename "$src")), what do you want to do?\n\
        [s]kip, [S]kip all, [o]verwrite, [O]verwrite all, [b]ackup, [B]ackup all?"
        read -n 1 action </dev/tty

        case "$action" in
        o)
          overwrite=true
          ;;
        O)
          overwrite_all=true
          ;;
        b)
          backup=true
          ;;
        B)
          backup_all=true
          ;;
        s)
          skip=true
          ;;
        S)
          skip_all=true
          ;;
        *) ;;
        esac

      fi

    fi

    overwrite=${overwrite:-$overwrite_all}
    backup=${backup:-$backup_all}
    skip=${skip:-$skip_all}

    if [ "$overwrite" == "true" ]; then
      rm -rf "$dst"
      success "removed $dst"
    fi

    if [ "$backup" == "true" ]; then
      mv "$dst" "${dst}.backup"
      success "moved $dst to ${dst}.backup"
    fi

    if [ "$skip" == "true" ]; then
      skipped "skipped $src"
    fi
  fi

  if [ "$skip" != "true" ]; then # "false" or empty
    ln -s "$1" "$2"
    success "linked $1 to $2"
  fi
}

prop() {
  PROP_KEY=$1
  PROP_FILE=$2
  PROP_VALUE=$(eval echo "$(cat $PROP_FILE | grep "$PROP_KEY" | cut -d'=' -f2)")
  echo $PROP_VALUE
}

install_dotfiles() {
  info 'installing dotfiles'
  echo ''

  local overwrite_all=false backup_all=false skip_all=false

  find -H "$DOTFILES" -maxdepth 2 -name 'links.prop' -not -path '*.git*' | while read linkfile; do
    cat $linkfile | while read line; do
      local src dst dir
      src=$(eval echo "$line" | cut -d '=' -f 1)
      dst=$(eval echo "$line" | cut -d '=' -f 2)
      dir=$(dirname $dst)

      mkdir -p "$dir"
      link_file "$src" "$dst"
    done
  done
}

create_env_file() {
  if test -f "$HOME/.env.sh"; then
    skipped "$HOME/.env.sh file already exists, skipping"
  else
    echo "export DOTFILES=$DOTFILES" >$HOME/.env.sh
    success 'created ~/.env.sh'
  fi
}

install_dotfiles
create_env_file

echo ''
success 'All installed!'