#!/bin/bash

cd "$(dirname "$0")"/..

ver="$(dpkg-parsechangelog -S Version)"
ver="${ver%%-*}"

all_licenses=redeclipse-base.clone/doc/all-licenses.txt

test -e "$all_licenses" || \
	{
		rm -rf redeclipse-base.clone && \
		git clone https://github.com/red-eclipse/base.git \
			--branch v"$ver" redeclipse-base.clone || \
		{ echo "unable to get upstream all-licenses.txt file from base repo"; \
		exit 1; }
	}

# Header
cat <<EOF > debian/copyright-new
Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: Red Eclipse
Upstream-Contact: Quinton "Quin" Reeves <qreeves@gmail.com>
                  Lee "Eihrul" Salzman <lsalzman@gmail.com>
Source: https://github.com/red-eclipse/data
License: Red-Eclipse-Data
EOF

# Data summary license, indented
sed -e 's/^/\ /' -e 's/^\ $/\ \./' readme.txt >> debian/copyright-new

# Remove duplicated Format: line and insert upstream license dep5 file
sed '/Format:.*/d' "$all_licenses"  >> debian/copyright-new

# Remove all records related to bin/*, config/*, doc/*, data/fonts/* and src/*
awk 'BEGIN{ ORS="\n\n"; RS="" ; FS="\n"} $1 !~ /^Files: (bin|config|doc|data\/fonts|src)\// ' debian/copyright-new > debian/copyright-temp
mv debian/copyright-temp debian/copyright-new

# Remove data/ prefix
sed 's/ data\// /g' debian/copyright-new > debian/copyright-temp
mv debian/copyright-temp debian/copyright-new

# Remove record for "OFL-1.1" license
awk 'BEGIN{ ORS="\n\n"; RS="" ; FS="\n"} $1 !~ /^License: OFL-1.1$/' debian/copyright-new > debian/copyright-temp
mv debian/copyright-temp debian/copyright-new

# Add marker for inserting Debian chunk
awk 'BEGIN{ ORS="\n\n"; RS="" ; FS="\n"} $1 ~ /^License: Zlib$/ { print "INSERT_DEBIAN_HERE" } { print }' debian/copyright-new > debian/copyright-temp
mv debian/copyright-temp debian/copyright-new

# Debian chunk
ed -s debian/copyright-new <<EOF
/INSERT_DEBIAN_HERE/c
Files: debian/*
Copyright: 2011-2015 Martin Erik Werner <martinerikwerner@gmail.com>
License: Zlib
.
w
EOF

echo "done -> debian/copyright-new"