#!/usr/local/bin/bash
# Usage: `deploy-nginx $target`
#
# Copies nginx configuration files from the repository in the current directory to `$target`, and then reloads nginx.
#
# This script is specifically for https://git.fwdekker.com/fwdekker.com/nginx-config.


repo_dir="$(pwd)"
repo_name="$(basename -s .git "$repo_dir")"
dst_dir="$1"
tmp_dir="$HOME/tmp/git/$repo_name-$(date +%s)"

echo "[[ Deploy ]]  nginx($repo_name)"
echo "[[ Deploy ]]  src: '$repo_dir'"
echo "[[ Deploy ]]  dst: '$dst_dir'"
echo "[[ Deploy ]]  tmp: '$tmp_dir'"


if test -e "$tmp_dir"; then
    echo "[[ Deploy ]]  Directory '$tmp_dir' already exists, stopping deployment."
    exit
fi


echo "[[ Deploy ]]  Creating directories '$dst_dir' and '$tmp_dir'."
mkdir -p "$dst_dir" "$tmp_dir"

echo "[[ Deploy ]]  Cloning repository at '$repo_dir' into '$tmp_dir'."
git clone "$repo_dir" "$tmp_dir"

echo "[[ Deploy ]]  Removing directories '$dst_dir/sites-available', '$dst_dir/sites-enabled', and '$dst_dir/snippets', and file '$dst_dir/nginx.conf'."
rm -rf "$dst_dir/sites-available" "$dst_dir/sites-enabled" "$dst_dir/snippets" "$dst_dir/nginx.conf"

echo "[[ Deploy ]]  Copying files from '$tmp_dir' to '$dst_dir'."
chmod -R g+w "$tmp_dir"
cp -RP "$tmp_dir/sites-available" "$tmp_dir/sites-enabled" "$tmp_dir/snippets" "$tmp_dir/nginx.conf" "$dst_dir"

echo "[[ Deploy ]]  Reloading nginx configurations"
sudo service nginx reload

echo "[[ Deploy ]]  Deleting '$tmp_dir'."
rm -rf "$tmp_dir"