#!/bin/bash

#
# недоработана add_patch()
#

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

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

package=exim
version=4.14
release=1.rh8x

SRPM_file=$package-$version-$release.src.rpm
SPEC_file=$package.spec
SRC_file=$package-$version.tar.bz2
SRC_dir=$package-$version

release_suffix=".corvax"

patch_KRB5INC_name=krb5inc
patch_KRB5INC_full_name=$package-$version-$patch_KRB5INC_name.patch

tmp_dir=/tmp/$package

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 (/^\%if \%\{redhat8\}/) {\$last_patch++;print(\"Patch\$last_patch: $patch_name\n\");} print(\"\%patch\$last_patch -p1\n\n\") if (/^patch -s -p1\$/);" $SPEC_dir/$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

perl -pi -e "s/(\%define release.+)([\r\n]*)\$/\$1$release_suffix\$2/" $SPEC_dir/$SPEC_file

tar -xjf $SOURCES_dir/$SRC_file
#####
echo TLS_INCLUDE=-I/usr/kerberos/include>>$SRC_dir/src/EDITME

mv $SRC_dir $SRC_dir-$patch_KRB5INC_name
tar -xjf $SOURCES_dir/$SRC_file

diff -u -r -N $SRC_dir $SRC_dir-$patch_KRB5INC_name > $SOURCES_dir/$patch_KRB5INC_full_name

add_patch $patch_KRB5INC_full_name
#####

cd $cur_dir

#rpm -ba $SPEC_dir/$SPEC_file

#rm -rf $tmp_dir