#!/bin/bash

app_name="gitea"
tmp_dir="/tmp/${app_name}_tmp"
version="1.22.3"
release="v${version}"
deb_arch="amd64"

if [ "$1" == "arm" ]; then
  deb_arch="arm64"
fi


deb_url="https://dl.gitea.com/gitea/${version}/gitea-${version}-linux-${deb_arch}.xz"

# 创建临时目录, 用于下载官方包
if [ -d $tmp_dir ]; then
  rm -rf $tmp_dir
fi

if [ -d "./unpack" ]; then
  sudo rm -rf ./unpack
fi

if [ -f "./${app_name}_${version}.deb" ]; then
  rm "./${app_name}_${version}.deb"
fi

mkdir $tmp_dir

# 创建临时待打包目录
echo "创建待打包目录..."
mkdir -p "./unpack/DEBIAN"
mkdir -p "./unpack/usr/bin"
mkdir -p "./unpack/usr/lib/systemd/system"
mkdir -p "./unpack/usr/share/licenses/gitea"
mkdir -p "./unpack/etc/gitea/"


echo "下载官方原包..."
wget $deb_url -O "${tmp_dir}/gitea-${deb_arch}.xz"
# cp ~/Downloads/gitea-1.22-linux-amd64.xz "${tmp_dir}/gitea-${deb_arch}.xz"


echo "下载完成, 解包中..."
xz -dc "${tmp_dir}/gitea-${deb_arch}.xz" > "${tmp_dir}/gitea"

echo "解包完成, 复制到待打包目录..."
mv ${tmp_dir}/gitea ./unpack/usr/bin/

chmod +x ./unpack/usr/bin/gitea

echo "下载service文件和协议文件"
wget "https://raw.githubusercontent.com/go-gitea/gitea/refs/tags/${release}/contrib/systemd/gitea.service" -O ./unpack/usr/lib/systemd/system/gitea.service
wget https://raw.githubusercontent.com/go-gitea/gitea/main/LICENSE -O ./unpack/usr/share/licenses/gitea/LICENSE
wget "https://raw.githubusercontent.com/go-gitea/gitea/refs/tags/${release}/custom/conf/app.example.ini" -O ./unpack/etc/gitea/app.example.ini

rm -rf $tmp_dir

echo "复制完成, 计算文件md5..."

cd ./unpack

find usr/ -type f | xargs md5sum > DEBIAN/md5sums

IFS=$'\t' read -ra size <<< "$(du -d 0)"

echo """
Package: ${app_name}
Version: ${version}
Section: devlop
Installed-Size: ${size[0]}
Architecture: ${deb_arch}
Maintainer: Yutent <yutent.io@gmail.com>
Depends: git
Priority: extra
Homepage: https://gitea.io/zh-cn/
Description: Gitea 是一个开源社区驱动的轻量级代码托管解决方案，后端采用 Go 编写。

""" > DEBIAN/control

echo '计算文件md5完成, 打包中...'

cd ..
sudo chown -R root:root unpack

dpkg-deb -b ./unpack "./${app_name}-${deb_arch}_${version}.deb"

sudo rm -rf ./unpack
echo "打包完成 :)"