#!/bin/bash

set -e

pkgname="$1"
if [ -z "$pkgname" ]; then
    echo "Usage: $0 pkgname"
    exit 1
fi
absdir="/var/abs/local/${pkgname}"
url="https://aur.archlinux.org/packages/${pkgname:0:2}/${pkgname}/${pkgname}.tar.gz"

unpackdir="${absdir}/unpack"
mkdir -p "$unpackdir"

curl -s "$url" | tar zx --strip-components=1 -C "$unpackdir"
for b in "$unpackdir"/*; do
    a="${absdir}/$(basename "$b")"
    if [ -r "$a" ]; then
        diff -u "$a" "$b" || true
    else
        echo -e "\nNEW FILE: $a\n"
        cat "$b"
        echo -e "\n^^ NEW FILE: $a\n"
    fi
done


read -p "Ok? (y/n) " ok
if [ "$ok" != "y" ]; then
    exit 1
fi


mv -v "${unpackdir}"/* "${absdir}/"
rm -f "${unpackdir}/.SRCINFO"
rmdir "$unpackdir"


(cd "$absdir" && makepkg -i)