#!/bin/bash

set -e
set -x

blacklist="
0.113/README-Note-to-send-security-reports-via-DBus-s-mech.patch
0.114/Add-gettext-support-for-.policy-files.patch
0.114/gettext-switch-to-default-translate-no.patch
0.116/tests-add-tests-for-high-uids.patch
01_pam_polkit.patch
02_gettext.patch
06_systemd-service.patch
"

start="$(pwd)"
src="$(pwd)/$1"
deb="$(pwd)/$2"

tmp="$(mktemp -d)"

cd "$tmp"

tar xf "$src"
policykit="$(ls -d polkit-*)"

tar xf "$deb"
patches=debian/patches
for patch in $blacklist; do
	sed -i "s;\(${patch}\);#\1;" ${patches}/series
done

for dir in $(find debian/patches/ -mindepth 1 -maxdepth 1 -type d -printf "%P\n"); do
	sed -i "s;Subject:;Subject: ${dir}:;" "debian/patches/${dir}/"*
done

cd "$policykit"
git init
git add *
git commit -m "base"
git tag base

git quiltimport --patches=../$patches/ --author "Michael Olbrich <m.olbrich@pengutronix.de>"
git filter-branch --msg-filter "cat | grep -v '^==*$' && echo '\nImported from $(basename $deb)\n\nSigned-off-by: Michael Olbrich <m.olbrich@pengutronix.de>'" base...master

git format-patch --no-signature -N base
mkdir "$start/$policykit"
mv 0*.patch "$start/$policykit/"
cd "$start"
rm -rf "$tmp"

cd "$start/$policykit/"
sed -i 1d 0*.patch
ls 0*.patch > series