#!/bin/sh

PACKAGE_NAME="deepin-wine-wechat"
PACKAGE_SUFFIX=(".pkg.tar.xz" ".pkg.tar.zst")

GenPatch() {
    diff -ruN reg_tmp/ reg_tmp_fixed/ >reg.patch
}

Extract() {
    rm -rf reg_tmp_fixed &&
        mkdir reg_tmp_fixed &&
        tar xvjf reg_files.tar.bz2 -C reg_tmp_fixed
}

GenSrcInfo() {
    makepkg --printsrcinfo >.SRCINFO
}

Clean() {
    git clean -xfd
}

Tar() {
    cd reg_tmp &&
        tar -cvjSf reg_files.tar.bz2 * &&
        mv reg_files.tar.bz2 ../ &&
        cd ../
}

MD5() {
    for i in "${PACKAGE_SUFFIX[@]}"; do
        find . -type f -name "${PACKAGE_NAME}*$i" -execdir sh -c 'md5sum "$1" > "$1.md5"' _ {} \;
    done
}

HelpApp() {
    echo " Extra Commands:"
    echo " -p/--patch          Generate patch files between reg_tmp/ and reg_tmp_fixed/"
    echo " -e/--extract        Extract reg files from reg_files.tar.bz2 to dir reg_tmp_fixed/"
    echo " -g/--gen            Generate AUR package info to .SRCINFO"
    echo " -c/--clean          Clean files which not track by git"
    echo " -t/--tar            Package reg files"
    echo " -m/--md5            Generate the md5 file of each package"
    echo " -h/--help           Show program help info"
}

if [ -z $1 ]; then
    # Default generate AUR package info
    GenSrcInfo
    exit 0
fi
case $1 in
"-p" | "--patch")
    GenPatch
    ;;
"-e" | "--extract")
    Extract
    ;;
"-g" | "--gen")
    GenSrcInfo
    ;;
"-c" | "--clean")
    Clean
    ;;
"-t" | "--tar")
    Tar
    ;;
"-m" | "--md5")
    MD5
    ;;
"-h" | "--help")
    HelpApp
    ;;
*)
    echo -e "\033[31mgen: unrecognized option '$1' \033[0m"
    echo "Use -h|--help to get help"
    exit 1
    ;;
esac
exit 0