#!/bin/bash
set -eo pipefail
IFS=$'\n\t'
version=1

rm -rf aur-source $1

git clone https://aur.archlinux.org/$1 aur-source

mkdir $1
echo include ../Makefile.common > $1/Makefile

yml=$1/package.yml
src=aur-source/.SRCINFO
pkg=aur-source/PKGBUILD

grep -m1 "pkgbase" $src | sed 's/pkgbase =/name       :/' | sed 's/^[ \t]*//;s/[ \t]*$//' >> $yml
grep -m1 "pkgver" $src | sed 's/pkgver =/version    :/' | sed 's/^[ \t]*//;s/[ \t]*$//' >> $yml
echo "release    : 1"  >> $yml
echo "source     :" >> $yml

sourcebase=$(grep -m1 "source =" $src | sed 's/^[ \t]*//;s/[ \t]*$//')
echo $sourcebase
if echo $sourcebase | grep "::"
then
    source=$(echo $sourcebase | grep -Po '::\K.*')
    sum=$(grep -m1 "sha256sums =" $src | sed 's/sha256sums =//' | sed 's/^[ \t]*//;s/[ \t]*$//')
elif echo $sourcebase | grep "git+"
then
    source='git|'$(echo $sourcebase | grep -Po 'git\+\K.*')
    sum=master
else
    source=$(echo $sourcebase | grep -Po 'source = \K.*')
    sum=$(grep -m1 "sha256sums =" $src | sed 's/sha256sums =//' | sed 's/^[ \t]*//;s/[ \t]*$//')
fi
echo "    - $source : $sum" >> $yml

grep -m1 "license =" $src | sed 's/license =/license    :/' | sed 's/^[ \t]*//;s/[ \t]*$//' >> $yml
grep -m1 "pkgdesc" $src | sed 's/pkgdesc =/summary    :/' | sed 's/^[ \t]*//;s/[ \t]*$//' >> $yml
grep -m1 "pkgdesc" $src | sed 's/pkgdesc =/description:/' | sed 's/^[ \t]*//;s/[ \t]*$//' >> $yml

if grep "makedepends" $src
then
echo "builddeps  :" >> $yml
grep "makedepends" $src | sed 's/makedepends =/-/' >> $yml
fi

if grep -w "depends =" $src
then
echo "rundeps    :" >> $yml
grep -w "depends =" $src | sed 's/depends =/-/' >> $yml
fi

compile="$(sed -n '/build() {/,/\n}\n/p' $pkg)"
compile="$(echo "$compile" | sed 's/build() {/build      : |/;s/package() {/install    : |/;s/prepare() {/setup      : |/' | sed '/^}/d')"
compile="$(echo "$compile" | sed 's/${pkgname}/'$1'/g;s/${pkgver}/%version%/g;s/${pkgdir}/$installdir/g')"
compile="$(echo "$compile" | sed 's/make/%make/g;s/c%make/%cmake/g')"
echo "$compile" >> $yml

rm -rf aur-source