chore: Report missing UIDs (#439)

Author: elementbound

.github/workflows/check-uids.yml

@@ -0,0 +1,27 @@
+name: Check UIDs
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+  workflow_dispatch:
+
+jobs:
+  test:
+    name: Check UIDs
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout 
+        uses: actions/checkout@v2
+      - name: Setup Godot
+        uses: chickensoft-games/setup-godot@v1
+        with:
+          version: 4.4.0
+          use-dotnet: false
+          include-templates: false
+      - name: Verify setup
+        run: godot --version
+      - name: Check UIDs
+        run: sh/check-uids.sh
+

sh/check-uids.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+# Assume we're running from project root
+source sh/shared.sh
+
+# Check Godot version
+if ! godot --version | grep ^4.4; then
+  print "Wrong Godot version!"
+  godot --version
+  exit 1;
+fi
+
+print "::group::Import project"
+godot --headless --import .
+print "::endgroup::"
+
+UNTRACKED_FILES="$(git ls-files --others --exclude-standard)"
+if [[ "$UNTRACKED_FILES" ]]; then
+  print "Missing UIDs detected!"
+  echo "$UNTRACKED_FILES"
+  exit 1
+else
+  print "All UIDs are present!"
+fi