#!/bin/bash

set -eu

fetch () {
  git clean -fdx
  git fetch
  # reset to updated upstream branch, but only if we're tracking a branch
  branch=$(git rev-parse --abbrev-ref --symbolic-full-name @{u} 2>/dev/null || echo HEAD)
  git reset --hard "$branch"
}

# Assumes the repo was already checked out once.
cd $HOME/www

git checkout stable -f
fetch
git submodule update --init --force
./bootstrap
./configure --variant=www.taler.net.wip --prefix=$HOME
make install

chmod -R g+rx $HOME/www.taler.net.wip/

# Clean up 'ancient' version (before previous)
rm -rf $HOME/www.taler.net.old/
# Finally, do two fast renames to make the current version active
mv $HOME/www.taler.net/ $HOME/www.taler.net.old/ || true
mv $HOME/www.taler.net.wip/ $HOME/www.taler.net/