Create check-dist.yml (#212)

.github/workflows/build.yml

@@ -28,6 +28,3 @@ jobs:
       - run: npm run build
       - run: npm run format-check
       - run: npm test
-      - name: Verify no unstaged changes
-        if: runner.os != 'windows'
-        run: bash __tests__/verify-no-unstaged-changes.sh

.github/workflows/check-dist.yml

@@ -0,0 +1,51 @@
+# `dist/index.js` is a special file in Actions.
+# When you reference an action with `uses:` in a workflow,
+# `index.js` is the code that will run.
+# For our project, we generate this file through a build process from other source files.
+# We need to make sure the checked-in `index.js` actually matches what we expect it to be.
+name: Check dist/
+
+on:
+  push:
+    branches:
+      - main
+    paths-ignore:
+      - '**.md'
+  pull_request:
+    paths-ignore:
+      - '**.md'
+  workflow_dispatch:
+
+jobs:
+  check-dist:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set Node.js 12.x
+        uses: actions/setup-node@v1
+        with:
+          node-version: 12.x
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Rebuild the dist/ directory
+        run: npm run build
+
+      - name: Compare the expected and actual dist/ directories
+        run: |
+          if [ "$(git diff --ignore-space-at-eol dist/ | wc -l)" -gt "0" ]; then
+            echo "Detected uncommitted changes after build.  See status below:"
+            git diff
+            exit 1
+          fi
+        id: diff
+
+      # If index.js was different than expected, upload the expected version as an artifact
+      - uses: actions/upload-artifact@v2
+        if: ${{ failure() && steps.diff.conclusion == 'failure' }}
+        with:
+          name: dist
+          path: dist/

.github/workflows/licensed.yml

@@ -1,8 +1,12 @@
 name: Licensed
 
 on:
-  push: {branches: main}
-  pull_request: {branches: main}
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
 
 jobs:
   test:

__tests__/verify-no-unstaged-changes.sh

@@ -1,17 +0,0 @@
-#!/bin/bash
-
-if [[ "$(git status --porcelain)" != "" ]]; then
-    echo ----------------------------------------
-    echo git status
-    echo ----------------------------------------
-    git status
-    echo ----------------------------------------
-    echo git diff
-    echo ----------------------------------------
-    git diff
-    echo ----------------------------------------
-    echo Troubleshooting
-    echo ----------------------------------------
-    echo "::error::Unstaged changes detected. Locally try running: git clean -ffdx && npm ci && npm run pre-checkin"
-    exit 1
-fi