Add git hooks

package.json

@@ -36,15 +36,18 @@
         "istanbul": "latest",
         "mocha-fivemat-progress-reporter": "latest",
         "tslint": "latest",
-        "tsd": "latest"
+        "tsd": "latest",
+        "npm": "^2"
     },
     "scripts": {
         "pretest": "jake tests",
         "test": "jake runtests",
         "build": "npm run build:compiler && npm run build:tests",
         "build:compiler": "jake local",
         "build:tests": "jake tests",
-        "clean": "jake clean"
+        "clean": "jake clean",
+		"jake": "jake",
+        "postinstall": "node scripts/link-hooks.js"
     },
     "browser": {
         "buffer": false,

scripts/hooks/post-checkout

@@ -0,0 +1,2 @@
+#!/bin/sh
+echo "var npm = require("npm"); npm.load(function (err) {if (err) { throw err; } npm.commands.run(['jake', 'generate-diagnostics']); )" | node

scripts/link-hooks.js

@@ -0,0 +1,20 @@
+var fs = require("fs");
+var path = require("path");
+
+var hooks = [
+	"post-checkout"
+];
+
+hooks.forEach(function (hook) {
+    var hookInSourceControl = path.resolve(__dirname, "hooks", hook);
+
+    if (fs.existsSync(hookInSourceControl)) {
+        var hookInHiddenDirectory = path.resolve(__dirname, "..", ".git", "hooks", hook);
+
+        if (fs.existsSync(hookInHiddenDirectory)) {
+            fs.unlinkSync(hookInHiddenDirectory);
+        }
+
+        fs.linkSync(hookInSourceControl, hookInHiddenDirectory);
+    }
+});