#!/usr/bin/env bash

VERSION="3.0.0"
INSTALL_SCRIPT="https://raw.githubusercontent.com/tj/git-extras/master/install.sh"

update() {
  local bin=$(which git-extras)
  local prefix=${bin%/*/*}
  local orig=$PWD

  curl -s $INSTALL_SCRIPT | PREFIX="$prefix" bash /dev/stdin \
    && cd "$orig" \
    && echo "... updated git-extras $VERSION -> $(git extras --version)"
}

case "$1" in
  -v|--version)
    echo $VERSION && exit 0
    ;;
  update)
    update
    ;;
  *)
    git extras --help
    ;;
esac