From aade2a84596e86ac3cb096f0a2d1f9e264de8629 Mon Sep 17 00:00:00 2001
From: Barry Gordon <brrygrdn@github.com>
Date: Thu, 10 Feb 2022 21:36:59 +0000
Subject: [PATCH] Humanise the diff check failures

---
 .github/workflows/check-dist.yml | 4 ++--
 script/check-diff                | 9 +++++++++
 2 files changed, 11 insertions(+), 2 deletions(-)
 create mode 100755 script/check-diff

diff --git a/.github/workflows/check-dist.yml b/.github/workflows/check-dist.yml
index 21e40bf..fdb4d93 100644
--- a/.github/workflows/check-dist.yml
+++ b/.github/workflows/check-dist.yml
@@ -1,4 +1,4 @@
-name: Check dist/
+name: Check dist
 
 on:
   pull_request:
@@ -32,7 +32,7 @@ jobs:
         run: npm run package
 
       - name: Compare the expected and actual dist/ directories
-        run: git diff --quiet dist/
+        run: script/check-diff
   verify-index-js: # make sure the entrypoint js files run on a clean machine without compiling first
     runs-on: ubuntu-latest
     steps:
diff --git a/script/check-diff b/script/check-diff
new file mode 100755
index 0000000..bc45833
--- /dev/null
+++ b/script/check-diff
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+git diff --quiet dist/
+retVal=$?
+if [ $retVal -ne 0 ]; then
+  echo "Detected uncommitted changes after build:"
+  git --no-pager diff dist/
+  exit 1
+fi