#!/bin/sh

[ -s /usr/ports/distfiles/exim/exim-4.96.tar.bz2 ] || wget ftp://ftp.exim.org/pub/exim/exim4/exim-4.96.tar.bz2 -O/usr/ports/distfiles/exim/exim-4.96.tar.bz2
[ ! -s /usr/ports/distfiles/exim/exim-4.96.tar.bz2 ] && exit 255

[ ! -d /usr/local/src/exim ] && mkdir -p /usr/local/src/exim
[ -d /usr/local/src/exim/exim-4.96 ] && rm -rf /usr/local/src/exim/exim-4.96

echo "> tar -xjf /usr/ports/distfiles/exim/exim-4.96.tar.bz2 --directory /usr/local/src/exim"
tar -xjf /usr/ports/distfiles/exim/exim-4.96.tar.bz2 --directory /usr/local/src/exim
echo "> rsync -av --delete /usr/local/src/exim/exim-4.96/ exim-4.96.orig/"
rsync -av --delete /usr/local/src/exim/exim-4.96/ exim-4.96.orig/

[ -d exim-4.96+fixes ] || git clone --branch exim-4.96+fixes https://github.com/Exim/exim.git exim-4.96+fixes/

cd exim-4.96+fixes/src/src
../scripts/reversion
cd ../../..

[ -d exim-4.96 ] && rm -rf exim-4.96
mkdir exim-4.96

for F in exim-4.96.orig/* exim-4.96.orig/.[a-zA-Z0-9]* ; do
	F=$(basename $F)
echo F: "$F"
	if [ -d exim-4.96+fixes/src/$F ] || [ -f exim-4.96+fixes/src/$F ] ; then
		echo "> rsync -av exim-4.96+fixes/src/${F} exim-4.96/"
		rsync -av exim-4.96+fixes/src/${F} exim-4.96/
	else
		echo "> rsync -av exim-4.96.orig/${F} exim-4.96/"
		rsync -av exim-4.96.orig/${F} exim-4.96/
	fi
done

for F in exim-4.96.orig/doc/* ; do
	F=$(basename $F)
echo F: "doc/$F"
	if [ -d exim-4.96+fixes/doc/doc-txt/$F ] || [ -f exim-4.96+fixes/doc/doc-txt/$F ] ; then
		echo "> rsync -av exim-4.96+fixes/doc/doc-txt/${F} exim-4.96/doc/"
		rsync -av exim-4.96+fixes/doc/doc-txt/${F} exim-4.96/doc/
	fi
done

. exim-4.96+fixes/src/src/version.sh

DIR=`ls -1d *.orig | perl -p -e 's/\.orig$//'`
PATCH=`pwd | xargs basename`
PATCH_CUR=exim-${EXIM_RELEASE_VERSION}

cd ${DIR}
diff -urN ../${DIR}.orig/ ./ > ../patch-src__${PATCH_CUR}.patch
cd ..

[ -h patch-src__${PATCH}.patch ] && rm patch-src__${PATCH}.patch
ln -s patch-src__${PATCH_CUR}.patch patch-src__${PATCH}.patch

[ -d exim-4.96.orig ] && rm -rf exim-4.96.orig
[ -d exim-4.96 ] && rm -rf exim-4.96