#!/bin/sh
set -e
DOC_DIR="$HOME/docs"
cd "${DOC_DIR}" || exit 1

# fetch the latest remote repo changes
git fetch origin master -q 2> /dev/null

# get shas for our local repo and remote repo
remotesha=$(git rev-parse origin/master)
localsha=$(git rev-parse HEAD)

# if shas are different, we need to update
if [ "$remotesha" != "$localsha" ] || [ "$1" = "force" ]; then
  # clear all our local changes
  git reset --hard HEAD -q

  # pull in the latest updates from remote
  git pull -q origin master 2> /dev/null

  # build the web version
  /usr/local/bin/mkdocs build > /dev/null 2> /dev/null

  # clear the gopher version
  rm /var/gopher/docs/*.md

  # copy files to the gopher version
  cd "$HOME/docs/docs/" || exit 1
  cp ./*.md /var/gopher/docs/
fi