diff --git a/update.sh b/update.sh
new file mode 100644
index 0000000..98d7ff0
--- /dev/null
+++ b/update.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+set -e
+cd "$(dirname "$(realpath "$0")")"
+
+if [ $# -lt 1 ]
+then echo "Usage: update.sh <dir> [msg]" && exit 1
+fi
+
+dir="$1"
+msg="$2"
+
+git add "$dir"
+git commit -m "$dir $msg"
+git push