#!/bin/bash
# I, Ian Kelling, follow the GNU license recommendations at
# https://www.gnu.org/licenses/license-recommendations.en.html. They
# recommend that small programs, < 300 lines, be licensed under the
# Apache License 2.0. This file contains or is part of one or more small
# programs. If a small program grows beyond 300 lines, I plan to switch
# its license to GPL.

# Copyright 2024 Ian Kelling

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at

#     http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


# libgcrypt-dev is a test dependency
# libidn11-dev is some build dep for newer version not in
apt-get install -y libopendmarc-dev libspf2-dev libgcrypt-dev libidn11-dev


apt-get -y build-dep exim4/etiona
# https://wiki.debian.org/BuildingAPackage
apt-get install build-essential dpatch fakeroot devscripts equivs lintian quilt

cd /a/opt/exim/src
# created by using make wrapper /b/make-wrap and building the exim package
#. /a/opt/dexim/iank-debian-make-env

declare -x LC_ALL='C'
declare -x PERL_USE_UNSAFE_INC='1'
declare -x CFLAGS='-g -O2  -D_LARGEFILE_SOURCE -fno-strict-aliasing -Wall '
make
# copy src/Local/Makefile from debian experimental package into local repo,

# for running the tests,
# edit src/Local/Makefile to remove ref: from EXIM_USER and EXIM_GROUP,
# then change CONFIGURE_OWNER and CONGIGURE_USER to the default ones that
# will be used when creating /a/opt/exim/test/test-config (iank/user2)
# echo /a/opt/exim/test/test-config | s dd of=/etc/exim4/trusted_configs
# edit /etc/hostname to be an fqdn, then hostname -F /etc/hostname. after
# running a single test, change this back, its cached in test/dnszones, and
# if you need to update that cache, rm -rf that dir.

##### the following just patches the flidas package to have dmarc support

# mkct
# apt-get source exim4/etiona

# # to just patch heavy:
# # first apply below patch, then build, then
# #diff -u ./EDITME.exim4-light ./EDITME.exim4-heavy > /tmp/EDITME.exim4-heavy.diff
# # remove extraneous differences
# # meld ./debian/EDITME.exim4-heavy.diff /tmp/EDITME.exim4-heavy.diff
# # diff -u ./debian/EDITME.exim4-heavy.diff /tmp/EDITME.exim4-heavy.diff
# # edit the diff to get filenames right.


# patch -p0 <<'EOF'
# --- ./exim4-4.86.2/src/EDITME.orig      2019-07-31 11:34:22.284977059 -0400
# +++ ./exim4-4.86.2/src/EDITME   2019-07-31 11:35:01.361206192 -0400
# @@ -445,9 +445,9 @@
#  # installed on your system (www.libspf2.org). Depending on where it is installed
#  # you may have to edit the CFLAGS and LDFLAGS lines.

# -# EXPERIMENTAL_SPF=yes
# -# CFLAGS  += -I/usr/local/include
# -# LDFLAGS += -lspf2
# +EXPERIMENTAL_SPF=yes
# +CFLAGS  += -I/usr/local/include
# +LDFLAGS += -lspf2

#  # Uncomment the following lines to add SRS (Sender rewriting scheme) support.
#  # You need to have libsrs_alt installed on your system (srs.mirtol.com).
# @@ -469,9 +469,9 @@

#  # Uncomment the following line to add DMARC checking capability, implemented
#  # using libopendmarc libraries.
# -# EXPERIMENTAL_DMARC=yes
# -# CFLAGS += -I/usr/local/include
# -# LDFLAGS += -lopendmarc
# +EXPERIMENTAL_DMARC=yes
# +CFLAGS += -I/usr/local/include
# +LDFLAGS += -lopendmarc


#  # Uncomment the following line to support Events,
# EOF

# cd exim4-4.86.2
# fakeroot debian/rules binary