#!/usr/bin/env zsh

# This script transforms the current directory into a full-blown apk package.
# It still requires a .PKGINFO file though.

set -e

# Output package name.
apk="$1"

# data.tar.gz
echo "Compressing data..."
set -- *

tar --xattrs -f - -c * | \
	abuild-tar --hash | \
	gzip -9 > data.tar.gz

echo "Create checksum..."
# append the hash for data.tar.gz
local sha256=$(sha256sum data.tar.gz | cut -f1 -d' ')
echo "datahash = $sha256" >> .PKGINFO

# control.tar.gz
cd "$dir"
metafiles=.PKGINFO
[ -f .metafiles ] && metafiles=$(cat .metafiles)

tar -f - -c ${metafiles[@]} | abuild-tar --cut \
	| gzip -9 > control.tar.gz
abuild-sign -q control.tar.gz || exit 1

echo "Create $apk"
cat control.tar.gz data.tar.gz > $apk