build script: fix cloning of lantern build engine on first clone - fixes #177

build.sh

@@ -23,7 +23,7 @@ server_pid_file="/tmp/pepperminty-wiki-dev-server.pid";
 ###############################################################################
 
 # Check out the lantern git submodule if needed
-if [ ! -d "${lantern_path}" ]; then git submodule update --init "${lantern_path}"; fi
+if [ ! -f "${lantern_path}/lantern.sh" ]; then git submodule update --init "${lantern_path}"; fi
 
 source "${lantern_path}/lantern.sh";
 

package-lock.json

@@ -1,6 +1,6 @@
 {
 	"name": "pepperminty-wiki",
-	"version": "0.20.0-beta1",
+	"version": "0.20.0",
 	"lockfileVersion": 1,
 	"requires": true,
 	"dependencies": {