#!/bin/bash

######################################################################

SPRM_dir=~/.updates/rawhide-SRPMS
SPRM_dir=~/downloads/.updates/rawhide\'
SPRM_dir=~/incoming
SPRM_dir=.

package=sendmail
version=8.11.6
release=15
release=23.73
release=25.73

SRPM_file=$package-$version-$release.src.rpm
SPEC_file=$package.spec
SRC_file=$package.$version.tar.gz
SRC_dir=$package-$version

release_suffix=".corvax"

patch_MAXMACROID_name=MAXMACROID
patch_MAXMACROID_full_name=$package-$version-$patch_MAXMACROID_name.patch
patch_milter_name=milter
patch_milter_full_name=$package-$version-$patch_milter_name.patch

tmp_dir=/tmp/sendmail

SPEC_dir=/usr/src/redhat/SPECS
SOURCES_dir=/usr/src/redhat/SOURCES

######################################################################

add_patch() {
    patch_name=$1
    perl -pi -e "(\$last_patch) = /^Patch(\d+):/ if (/^Patch\d+:/); if (/^Buildroot:/) {\$last_patch++;print(\"Patch\$last_patch: $patch_name\n\");} print(\"\%patch\$last_patch -p1\n\n\") if (/^\%build\$/);" $SPEC_dir/$SPEC_file
}

cur_dir=`pwd`

rpm -i $SPRM_dir/$SRPM_file

if [ -d $tmp_dir ]; then
    rm -rf $tmp_dir/*
else
    mkdir $tmp_dir
fi
cd $tmp_dir

#errata=`perl -n -e "if(/\%define\s+errata\s+(\d+)/){print(\\$1)}" $SPEC_dir/$SPEC_file`
#
#if [ "$errata" == "100" ]; then
    perl -pi -e "s/(\%define release.+)([\r\n]*)\$/\$1$release_suffix\$2/" $SPEC_dir/$SPEC_file
#else
#    perl -pi -e "s/(\%define errata.+)([\r\n]*)\$/\$1$release_suffix\$2/" $SPEC_dir/$SPEC_file
#fi

tar -xzf $SOURCES_dir/$SRC_file
#####
cat >$SRC_dir/devtools/Site/site.config.m4 <<MILTER
dnl Milter
APPENDDEF('conf_sendmail_ENVDEF', '-D_FFR_MILTER=1')
APPENDDEF('conf_libmilter_ENVDEF', '-D_FFR_MILTER=1')
MILTER

mv $SRC_dir $SRC_dir-$patch_milter_name
tar -xzf $SOURCES_dir/$SRC_file

diff -u -r -N $SRC_dir $SRC_dir-$patch_milter_name > $SOURCES_dir/$patch_milter_full_name

add_patch $patch_milter_full_name
#####
tar -xzf $SOURCES_dir/$SRC_file

NEW_BITMAPBITS="512"
perl -pi -e "\$NEW_BITMAPBITS=\"$NEW_BITMAPBITS\";s/^(\#define BITMAPBITS\s+)\d+(.*)/\$1\$NEW_BITMAPBITS\$2/" $SRC_dir/include/sendmail/sendmail.h

NEW_MAXMACROID="0777"
perl -pi -e "\$NEW_MAXMACROID=\"$NEW_MAXMACROID\";s/^(\#define MAXMACROID\s+)\d+(.*)/\$1\$NEW_MAXMACROID\$2/" $SRC_dir/sendmail/conf.h

mv $SRC_dir $SRC_dir-$patch_MAXMACROID_name
tar -xzf $SOURCES_dir/$SRC_file

diff -u -r -N $SRC_dir $SRC_dir-$patch_MAXMACROID_name > $SOURCES_dir/$patch_MAXMACROID_full_name

add_patch $patch_MAXMACROID_full_name
#####

cd $cur_dir

rpm -ba $SPEC_dir/$SPEC_file

rm -rf $tmp_dir