diff --git a/.gitignore b/.gitignore
index b1f9f76..6f63b81 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /build
-/node_modules
\ No newline at end of file
+/node_modules
+/dump
diff --git a/Makefile b/Makefile
index b8148d1..9c371dc 100644
--- a/Makefile
+++ b/Makefile
@@ -55,3 +55,7 @@ emulator:
 .PHONY: webconsole
 webconsole:
 	node console.js
+
+.PHONY: format
+format:
+	haxelib run formatter -s src
\ No newline at end of file
diff --git a/pre-commit.sh b/pre-commit.sh
new file mode 100755
index 0000000..b65a00d
--- /dev/null
+++ b/pre-commit.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/env sh
+
+# Run:
+# ln -s ../../pre-commit.sh .git/hooks/pre-commit
+
+set -e
+
+# format
+
+make format
+
+# build 
+
+make build
+