From a0fbf15a49b7325a52a2f8b58bbdf7fda121d0ac Mon Sep 17 00:00:00 2001
From: Abigail Hartman <Abigail.Hahn@microsoft.com>
Date: Tue, 25 Jun 2024 18:23:50 -0700
Subject: [PATCH] Create a workflow for checks on static files (#950)

---
 .github/workflows/check-static-files.yml | 51 ++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 .github/workflows/check-static-files.yml

diff --git a/.github/workflows/check-static-files.yml b/.github/workflows/check-static-files.yml
new file mode 100644
index 0000000000..c45568ee85
--- /dev/null
+++ b/.github/workflows/check-static-files.yml
@@ -0,0 +1,51 @@
+name: Check changes to static files
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  changed_files:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: List changed frontend source files
+        uses: tj-actions/changed-files@v44
+        id: changed-frontend-src-files
+        with:
+          files: |
+             frontend/src/**/*.tsx
+             frontend/src/**/*.css
+
+      - name: List changed frontend static files
+        id: changed-frontend-static-files
+        if: steps.changed-frontend-src-files.outputs.files_changed == 'true'
+        uses: tj-actions/changed-files@v44
+        with:
+          files: |
+            static
+
+      - name: Check changed static files
+        if: steps.changed-frontend-src-files.outputs.files_changed == 'true' && steps.changed-frontend-static-files.outputs.files_changed == 'false'
+        run: echo "There were changes to the frontend code, but no corresponding changes to static files.  Please build the project locally, commit the static file changes and push the changes to try again." && exit 1
+
+      - name: List logo customizations
+        uses: tj-actions/changed-files@v44
+        id: changed-logo-files
+        with:
+          files: |
+             frontend/public/favicon.ico
+             frontend/src/assets
+
+      - name: Comment on logo customizations
+        if: steps.changed-logo-files.outputs.any_changed == 'true'
+        uses: mshick/add-pr-comment@v2
+        with:
+          message: |
+            "Hello contributor, it appears that your pull request contains some customizations to branding. We are unable to approve your PR at this time. If you believe this message to be in error, please correct these unsupported changes and try again, or reach out to one of the maintainers of the repo to discuss the changes."
+        
+      - name: Fail on logo customizations
+        if: steps.changed-logo-files.outputs.any_changed == 'true'
+        run: echo "Logos are customized, which is not a supported change." && exit 1
\ No newline at end of file