postinstall: overwrite pre-commit hook if needed (OctoLinker#99)

josephfrazier · web-flow · commit 166abef096c2 · 2016-06-10T19:59:48.000-04:00
This lets you `npm install` multiple times without issue. (from OctoLinker#97 (comment))
diff --git a/package.json b/package.json
@@ -6,7 +6,7 @@
   },
   "main": "lib/app.js",
   "scripts": {
-    "postinstall": "ln -s ./scripts/hooks/pre-commit .git/hooks/pre-commit",
+    "postinstall": "ln -sf ./scripts/hooks/pre-commit .git/hooks/pre-commit",
     "lint": "eslint .",
     "pretest": "npm run lint",
     "test": "karma start",
