install

#!/bin/sh

GIT=$(which git)

###############################################################
# Check deps

[[ -z $GIT ]] && echo "You have to install git plz" && exit 1

###############################################################
# Local functions

anim() {
  local i sp n
  sp='/-\|'
  n=${#sp}
  printf ' '
  while sleep 0.1; do
    printf "%s\b" "${sp:i++%n:1}"
  done
}

# Download with git ( arg1 = url | arg2 = path )
dl() {
  local pid
  echo -n "dl $1..."
  anim &
  pid=$!
  $($GIT clone $1 $2 2>/dev/null || exit 1)
  echo "[ok]"
  kill $pid # kill anim()
}

# Check if file exist else download ( arg1 = url | arg2 = path )
chk() {
  if [[ -d $2 ]] ; then
    echo "$2 is found"
  else
    dl $1 $2
  fi
}

forZsh() {
  chk https://github.com/robbyrussell/oh-my-zsh.git ~/.oh-my-zsh
  chk https://github.com/denysdovhan/spaceship-prompt.git ~/.oh-my-zsh/themes/spaceship-prompt
  # create symbolic link if not exist
  if [[ ! -s ~/.oh-my-zsh/themes/spaceship.zsh-theme ]] ; then
    ln -s  ~/.oh-my-zsh/themes/spaceship-prompt/spaceship.zsh-theme ~/.oh-my-zsh/themes/spaceship.zsh-theme
  fi
}

pathogen() {
  [[ ! -d ~/.vim/bundle ]] && mkdir -p $HOME/.vim/bundle
  chk https://github.com/kaicataldo/material.vim ~/.vim/bundle/material.vim
  chk https://github.com/szorfein/fantasy.vim ~/.vim/bundle/fantasy.vim
  chk https://github.com/szorfein/darkest-space ~/.vim/bundle/darkest-space
  chk https://github.com/szorfein/fromthehell.vim ~/.vim/bundle/fromthehell.vim
}

banner() {
  printf "%s\n" \
  '
▓█████▄  ▒█████  ▄▄▄█████▓  █████▒██▓ ██▓    ▓█████   ██████
▒██▀ ██▌▒██▒  ██▒▓  ██▒ ▓▒▓██   ▒▓██▒▓██▒    ▓█   ▀ ▒██    ▒
░██   █▌▒██░  ██▒▒ ▓██░ ▒░▒████ ░▒██▒▒██░    ▒███   ░ ▓██▄
░▓█▄   ▌▒██   ██░░ ▓██▓ ░ ░▓█▒  ░░██░▒██░    ▒▓█  ▄   ▒   ██▒
░▒████▓ ░ ████▓▒░  ▒██▒ ░ ░▒█░   ░██░░██████▒░▒████▒▒██████▒▒
 ▒▒▓  ▒ ░ ▒░▒░▒░   ▒ ░░    ▒ ░   ░▓  ░ ▒░▓  ░░░ ▒░ ░▒ ▒▓▒ ▒ ░
 '
}

usage() {
  banner
  printf "%s\n" \
    "-z, --zsh    Download and install dependencies of zsh"

  printf "%s\n" \
    "-v, --vim    Download and install dependencies of vim for pathogen"

  printf "%s\n" \
    "-h, --help   Display this really usefull message"
}

###############################################################
# Command line options

if [ "$#" -eq 0 ]; then
  printf "%s\\n" "$prog_name: Argument required"
  printf "%s\\n" "Try '$prog_name --help' for more information."
  exit 1
fi

while [ "$#" -gt 0 ] ; do
  case "$1" in
    -z | --zsh)
      banner
      forZsh
      shift
      ;;
    -v | --vim)
      banner
      pathogen
      shift
      ;;
    -h | --help)
      usage
      shift
      ;;
    *)
      usage
      printf "\\n%s\\n" "$prog_name: Invalid option '$1'"
      exit 1
      ;;
  esac
done