Update build

.gitignore

@@ -1,4 +1,3 @@
 venv
 .nmlcache
-ss.grf
-ss_community.grf
+build/

compile.sh

@@ -1,8 +1,38 @@
 #!/bin/sh
+set -e
+
 # We use --quiet because otherwise nmlc complains about the sprites not being marked as ANIM.
 # These warnings can be ignored because nmlc will generate animated sprites regardless of the ANIM/NOANIM flag.
 
-# Compile a GRF we can upload to BaNaNaS as the community edition
-nmlc --quiet -c --grf ss_community.grf sailingships.nml
-# Compile a GRF that will overwrite the classic one
-sed 's/CMC\\01/JM\\01\\01/' sailingships.nml|nmlc --quiet -c --grf ss.grf /dev/stdin
+VERSION=$(grep -oP 'VERSION :\K.*' custom_tags.txt)
+
+bundle() {
+	local dst="$1"
+	local compilecmd="$2"
+
+	rm -rf $dst $dst.tar
+	mkdir -p $dst
+	cp license.txt $dst
+	cp readme.md $dst/readme.txt
+	grep -oPz '## Changelog(\n|.)*' readme.md > $dst/changelog.txt
+	eval $compilecmd
+	tar -cf $dst.tar -C `dirname $dst` `basename $dst`
+}
+
+
+bundle_bananas() {
+	# Compile a GRF we can upload to BaNaNaS as the community edition
+	local dst=build/Sailing_Ships_community-$VERSION
+	local cmd="nmlc --quiet -c --grf $dst/ss_community.grf sailingships.nml"
+	bundle $dst "$cmd"
+}
+
+bundle_compatibility_edition() {
+	# Compile a GRF that will overwrite the classic one (for existing games, etc)
+	local dst=build/Sailing_Ships-$VERSION
+	local cmd="sed 's/CMC\\01/JM\\01\\01/' sailingships.nml|nmlc --quiet -c --grf $dst/ss.grf /dev/stdin"
+	bundle $dst "$cmd"
+}
+
+bundle_bananas
+bundle_compatibility_edition