#!/bin/sh

PACKAGE_NAME=3dldf-doc

set -e
set -u

usage() {
	echo "Usage: repack --upstream-version <ver> <downloaded file>"
	exit 1
	}

if [ "$#" != "3" ]; then
	usage
fi
if [ "$1" != "--upstream-version" ]; then
	usage
fi
if [ ! -f "$3" ]; then
	if [ -n "$3" ]; then
		echo "$3 doesn't exist"
	fi
	usage
fi
UPSTREAM_VERSION="$2"
UPSTREAM_TARBALLZZ="$3"

DEBIAN_SUFFIX="+ndfsg"

DEBIAN_UVERSION=${UPSTREAM_VERSION}${DEBIAN_SUFFIX}
DEBIAN_ROOTFOLDERNAME="${PACKAGE_NAME}-${DEBIAN_UVERSION}.orig"
DEBIAN_TARBALLXZ="$(dirname $UPSTREAM_TARBALLZZ)/${PACKAGE_NAME}_${DEBIAN_UVERSION}.orig.tar.xz"

REPACK_TMPDIR=`mktemp -d ./repackXXXXXX`
REPACK_TMPDIR=$(readlink -f "$REPACK_TMPDIR")
trap "/bin/rm -rf \"$REPACK_TMPDIR\"" QUIT INT EXIT

message() {
	echo
	echo "-- -- $1"
	echo
	}

message "Repackaging $UPSTREAM_TARBALLZZ"

UPSTREAM_ROOTFOLDER="${REPACK_TMPDIR}/unpacked"
mkdir "${UPSTREAM_ROOTFOLDER}"
tar -C "${UPSTREAM_ROOTFOLDER}" -xf "${UPSTREAM_TARBALLZZ}" || unzip -d "${UPSTREAM_ROOTFOLDER}" "${UPSTREAM_TARBALLZZ}"
if [ `ls -1 "${UPSTREAM_ROOTFOLDER}" | wc -l` -eq 1 ]; then
	UPSTREAM_ROOTFOLDER="${UPSTREAM_ROOTFOLDER}/`ls -1 "${UPSTREAM_ROOTFOLDER}"`"
fi

DEBIAN_ROOTFOLDER="${REPACK_TMPDIR}/${DEBIAN_ROOTFOLDERNAME}"
## repack
set -f
REPACK_WORKING_FOLDER=$(pwd)
cd "${UPSTREAM_ROOTFOLDER}"

####. "${REPACK_WORKING_FOLDER}/debian/repack.local"
## keep non-free material
rm --verbose --force --recursive examples
rm --verbose --force --recursive src
rm --verbose --force --recursive m4
## wipe out
rm --verbose --force reconfig.sh
## clean up
rm --verbose --force --recursive doc/old_doc/graphics/png
rm --verbose --force --recursive doc/old_doc/3DLDF
rm --verbose --force doc/old_doc/3DLDF.info
rm --verbose --force doc/old_doc/3DLDF.dvi
rm --verbose --force doc/old_doc/3DLDF.ps
rm --verbose --force doc/old_doc/3DLDF.pdf
rm --verbose --force doc/old_doc/3DLDF.html
rm --verbose --force doc/old_doc/Makefile.in
rm --verbose --force doc/texinfo.tex
rm --verbose --force doc/3dldf.info
rm --verbose --force doc/3dldf.dvi
rm --verbose --force doc/3dldf.ps
rm --verbose --force doc/3dldf.pdf
rm --verbose --force doc/3dldf.html
rm --verbose --force doc/Makefile.in
rm --verbose --force aclocal.m4
rm --verbose --force config.h.in
rm --verbose --force Makefile.in
rm --verbose --force depcomp
rm --verbose --force install-sh
rm --verbose --force ltmain.sh
rm --verbose --force missing
rm --verbose --force ylwrap
rm --verbose --force compile
rm --verbose --force config.sub
rm --verbose --force config.guess
rm --verbose --force configure
rm --verbose --force INSTALL
## extra clean up
####rm --verbose --force Makefile.am
####rm --verbose --force configure.ac
## remove exectable bit for source files
####find doc/old_doc/graphics/png -name '3DLDF*.png' -exec chmod --changes a-x \{\} \;
find doc/old_doc/graphics/eps -name '3DLDFmp.*' -exec chmod --changes a-x \{\} \;
find doc -name '*.texi' -exec chmod --changes a-x \{\} \;
chmod --changes a-x doc/old_doc/Makefile.am
chmod --changes a-x doc/old_doc/ChangeLog.dev
chmod --changes a-x doc/old_doc/ChangeLog
chmod --changes a-x ChangeLog
#:

cd ${REPACK_WORKING_FOLDER}
set +f
## end
mv "${UPSTREAM_ROOTFOLDER}" "${DEBIAN_ROOTFOLDER}"

REPACK_TARBALL="${REPACK_TMPDIR}/repacked.tar"
REPACK_TARBALLXZ="${REPACK_TARBALL}.xz"
( cd "${REPACK_TMPDIR}" && \
	find -L "${DEBIAN_ROOTFOLDERNAME}" -xdev -type f -o -type d -print | sort | \
	tar -T-  --owner=root --group=root --mode=a+rX --create --file "${REPACK_TARBALL}" \
	)
xz -9e < "${REPACK_TARBALL}" > "${REPACK_TARBALLXZ}"
mv "${REPACK_TARBALLXZ}" "${DEBIAN_TARBALLXZ}"

message "Testing ${DEBIAN_TARBALLXZ}"

xz --verbose --test "${DEBIAN_TARBALLXZ}"

message "Printing information about ${DEBIAN_TARBALLXZ}"

xz --verbose --list "${DEBIAN_TARBALLXZ}"

message "Quitting"

##
## eos
