#!/bin/sh

set -e  

[ "$1" ] \
&& pkg="$1" \
|| pkg="$(head -n1 ../todo)"
echo "converting $pkg"
cd $pkg

type="$(cut -d' ' -f1 checksums)"
version="$(cut -d' ' -f2 checksums)"
checksum="$(cut -d' ' -f3 checksums)"
url="$(eval "echo \"$(head -n1 $type-urls)\"")"
echo "$type"
echo "$version"
echo "$checksum"
echo "$url"

if [ -f "$type-sigurls" ]; then
	sigurl="$(eval "echo \"$(head -n1 $type-sigurls)\"")"
fi

echo "pulling archive"
if [ "$type" = "git" ]; then
	git clone --bare "$url" "git-bare"
	cd "git-bare"
	git worktree add -f "../git-worktree" $version

	cd ../git-worktree
	version="$(git log | head -n1 | cut -d' ' -f2)" # force use of commit hash
	cd ..
	size="$(expr $(du -sk git-worktree | cut -f1) \* 1024)"
	rm -fr git-worktree git-bare
	printf %s\\t%s\\t%s\\t%s\\n '$version' "$type" "arc" "$(head -n1 $type-urls)">urls

else
    curl -o src.$type -L "$url"
    [ "$checksum" ] || checksum="$(sha512sum src.$type | cut -d' ' -f1)"
    [ "$(sha512sum src.$type | cut -d' ' -f1)" = "$checksum" ] || { echo "checksum mismatch" && exit 1; }
    size="$(wc -c src.$type | cut -d' ' -f1)"
    rm src.$type
	printf %s\\t%s\\t%s\\t%s\\n '$version' '$type' "arc" "$(head -n1 $type-urls)">urls
fi
printf %s\\t%s\\t%s\\t%s\\t%s\\n "$version" "$type" "arc" "$size" "$checksum">checks
printf "version=\"$version\"\\ntype=\"$type\"\\n">defaults.sh


if [ "$sigurl" ]; then
    echo "pulling signature"
    curl -o sig -L "$sigurl"
    size="$(wc -c sig | cut -d' ' -f1)"
    checksum="$(sha512sum sig | cut -d' ' -f1)"
    [ "$(sha512sum sig | cut -d' ' -f1)" = "$checksum" ] || { echo "signature checksum mismatch" && exit 1; }
	printf %s\\t%s\\t%s\\t%s\\n '$version' '$type' "sig" "$(head -n1 $type-sigurls)">>urls
	printf %s\\t%s\\t%s\\t%s\\t%s\\n "$version" "$type" "sig" "$size" "$checksum">>checks
	rm sig
fi

rm -fr checksums defaults *-sigurls *-urls

echo

cat urls
echo
cat checks
echo
cat defaults.sh