Working straight angle placement of ship pieces

reinit_submodules.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+set -e
+
+git config -f .gitmodules --get-regexp '^submodule\..*\.path$' |
+    while read path_key local_path
+    do
+        url_key=$(echo $path_key | sed 's/\.path/.url/')
+        url=$(git config -f .gitmodules --get "$url_key")
+        git submodule add $url $local_path
+    done
+
+# https://stackoverflow.com/questions/11258737/restore-git-submodules-from-gitmodules