#!/usr/bin/bash

#

# No patents, no problems

#

# Indicate the problems

PROBLEMS=(

	'gr-dtv'

	'gr-atsc'

)

# Indicate the source

URL=$(spectool -S -l ./gnuradio.spec | sed -E 's/Source0:\s+//g')

# Meta variables

SOURCE=$(basename $URL)

COMPRESSION=${SOURCE##*.}

TAR=${SOURCE%.*}

# check if $SOURCE exists

if [ ! -f $SOURCE ]; then

	# It does not, so we download it

	echo "DOWNLOADING \"$SOURCE\" FROM \"$URL\""

	curl -L -O "$URL"

fi

echo "UNCOMPRESS \"$SOURCE\" TO \"$TAR\""

if [ "gz" = "$COMPRESSION" ]; then

	COMPRESSION="gzip"

fi

$COMPRESSION -d $SOURCE

# Getting the base DIR inside the tar

TAR_BASE=$(tar tf $TAR | head -n1 | sed 's/\/$//')

for PROBLEM in ${PROBLEMS[@]};

do

	echo "REMOVING \"$PROBLEM\" FROM \"$TAR\""

	tar -vf $TAR --delete "${TAR_BASE}/${PROBLEM}"

	tar -vf $TAR --strip=1 -x "${TAR_BASE}/CMakeLists.txt"

	tar -vf $TAR --delete "${TAR_BASE}/CMakeLists.txt"

	sed -i "/^add_subdirectory(${PROBLEM})$/ d" CMakeLists.txt

	tar -vf $TAR --append CMakeLists.txt --transform="s|CMakeLists.txt|${TAR_BASE}/CMakeLists.txt|"

done

rm -f CMakeLists.txt

echo "RECOMPRESS \"$TAR\" TO \"$SOURCE\""

$COMPRESSION $TAR