adding diff checks

Signed-off-by: Nate W <[email protected]>

package.json

@@ -2,6 +2,8 @@
   "scripts": {
     "_build": "hugo --cleanDestinationDir -e dev -DFE",
     "_check-links": "make check-links",
+    "_diff:check": "git diff --name-only --exit-code",
+    "_diff:fail": "git diff --name-only --exit-code || exit 1",
     "_serve:hugo": "hugo serve -DFE --minify",
     "_serve": "netlify dev -c \"npm run _serve:hugo\" --framework hugo",
     "build:preview": "set -x && npm run _build -- --minify --baseURL \"${DEPLOY_PRIME_URL:-/}\"",
@@ -10,6 +12,8 @@
     "check-links:all": "HTMLTEST_ARGS= npm run _check-links",
     "check-links": "npm run _check-links",
     "clean": "make clean",
+    "diff:check": "npm run _diff:check || (echo; echo 'WARNING: the files above have not been committed'; echo)",
+    "diff:fail": "npm run _diff:check || (echo; echo 'ERROR: the files above have changed. Locally rerun `npm run test-and-fix` and commit changes'; echo; exit 1)",
     "log:check:links": "npm run check-links | tee tmp/build-log.txt",
     "postbuild:preview": "npm run _check-links",
     "postbuild:production": "npm run _check-links",