1 files changed, 187 insertions, 0 deletions
diff --git a/builder.sh b/builder.sh
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+++ b/builder.sh
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+#!/bin/bash
+
+# Minecraft Java serverdir builder
+
+function fail(){
+	>&2 echo $@
+	exit 1
+}
+
+# 1: file 2: attribute
+function serverprop_get() {
+	sed -n "s/$2=\(.*\)$/\1/p" "$1"
+}
+
+# 1: file 2: attribute 3: value
+function serverprop_set() {
+	if grep -s "^$2=.*$" "$1"; then
+		sed -i "s/$2=.*$/$2=$3/g" "$1"
+	else
+		echo "$2=$3" >> "$1"
+	fi
+}
+
+function confirm() {
+	[ -z "$NO_INTERACTIVE" ] || return 1
+
+	read -p "$@ [y/N] " choice
+	case $choice in
+		[yY]*)
+			return 0;;
+		*)
+			return 1
+	esac
+}
+
+# Sub Commands
+
+## world
+
+function world() {
+	local CMD="$1"
+	case $CMD in
+		list) ;&
+		create) ;&
+		clone) ;&
+		backup) ;&
+		delete) ;&
+		assign)
+			shift
+			eval 'world_$CMD "$@"'
+			;;
+		*)
+			fail "world: Unknown argument $CMD"
+	esac
+
+	exit $?
+}
+
+function world_exists() {
+	[ -d "$WORLDS/$1" ]
+	return $?
+}
+
+# 1: world 2: instance
+function world_assign() {
+	local WORLD="$1"
+	local INSTANCE="$2"
+
+	world_exists "$WORLD" \
+		||  ( confirm "World not found. Create?" \
+		&& world_create "$WORLD" \
+		|| fail "World $WORLD not found." )
+
+	[ -f "$WORLDS/$WORLD.lock" ] && fail "$WORLD is already used by another instance."
+
+	echo "ASSIGNED_TO=\"$INSTANCE\"" > "$WORLDS/$WORLD.lock"
+
+	ln -s "$WORLDS/$WORLD" "$INSTANCES/$INSTANCE"
+	serverprop_set "$INSTANCES/$INSTANCE/server.properties" level-name "$WORLD"
+}
+
+
+# 1: name
+function world_create() {
+	world_exists "$1" && fail "World already exists"
+	mkdir "$WORLDS/$1"
+}
+
+## instance
+
+function instance() {
+	local CMD="$1"
+	case $CMD in
+		list) ;&
+		create) ;&
+		delete) ;&
+		start) ;&
+		stop) ;&
+		status)
+			shift
+			eval 'instance_$CMD "$@"'
+			;;
+		*)
+			fail "instance: Unknown argument $CMD"
+	esac
+
+	exit $?
+}
+
+function instance_exists() {
+	[ -d "$INSTANCES/$1" ]
+	return $?
+}
+
+# 1: name 2: world 3: version
+function instance_create() {
+	local NAME="$1"
+	local WORLD="$2"
+	local VERSION="$3"
+
+	instance_exists "$NAME" && fail "$NAME already exists."
+	mkdir "$INSTANCES/$NAME"
+
+	version_install "$NAME" "$VERSION"
+	confirm "Accept minecraft EULA?" && serverprop_set "$INSTANCES/$NAME/eula.txt" eula true
+
+	world_assign "$WORLD" "$NAME"
+}
+
+function instance_start() {
+	instance_exists "$1" || fail "instance $1 not found."
+
+
+	# TODO
+}
+
+## version
+
+function version() {
+	fail "not implemented"
+}
+
+function version_exists() {
+	[ -f "$VERSIONS/$1.jar" ]
+	return $?
+}
+
+# 1: instance 2: version
+function version_install() {
+	instance_exists "$1" || fail "instance $1 not found."
+	version_exists "$2" || fail "version $2 not found."
+
+	local PWD=$(pwd)
+	cd "$INSTANCES/$1"
+
+	[ -e "$2.jar" ] && rm "$2.jar"
+
+	ln -s "$VERSIONS/$2.jar" "$2.jar"
+
+	serverprop_set settings.sh MCJAR "$2.jar"
+
+	cd "$PWD"
+}
+
+# NO_INTERACTIVE=1
+
+PREFIX=$(pwd)
+VERSIONS="$PREFIX/versions"
+WORLDS="$PREFIX/worlds"
+INSTANCES="$PREFIX/instances"
+
+RUNNER="$PREFIX/runner.sh"
+
+[ -x ./settings.sh ] || fail "settings.sh not found."
+source ./settings.sh
+
+CMD="$1"
+case $CMD in
+	world) ;&
+	instance) ;&
+	version)
+		shift
+		eval '$CMD "$@"'
+		;;
+	*)
+		fail "Unknown option $1"
+esac