Create mr-update.sh

mr-update.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+BRANCHES=()
+
+BRANCHES+=(develop)
+BRANCHES+=(master)
+
+if [ -n "$1" ]; then
+    BRANCHES+=($1)
+fi
+
+for i in ${BRANCHES[@]}; do
+  mr git checkout ${i}
+  mr git pull
+done