+# Select the method, fetch and push is possible.
+if [ x$1 = x -o x$1 = xfetch ]; then
+ method=fetch
+elif [ x$1 = xpush ]; then
+ method=push
+else
+ echo "Unsupported method '$1'. Only 'fetch' and 'push' is supported." >&2
+ exit 1
+fi
+
+# Fetch from/Push to each remote of each git subdirectory.