tgui autobuild is now build validation. adds initial gitlab ci support (#50547)

* tgui autobuild is now build validation. adds initial gitlab ci support

* Remove autobuild github action

Co-authored-by: Aleksej Komarov <[email protected]>

Author: jdawg1290

.github/workflows/autobuild_tgui.yml

@@ -0,0 +1,11 @@
+build:
+    stage: build
+    rules:
+      - if: $CI_MERGE_REQUEST_IID || $CI_COMMIT_REF_NAME == "master"
+        changes:
+          - tgui/**/*.js
+          - tgui/**/*.scss
+        when: always
+    image: node:lts
+    script:
+        - tgui/bin/tgui --ci

.gitlab-ci.yml

@@ -62,6 +62,19 @@ task-clean() {
   rm -f **/package-lock.json
 }
 
+## Validates current build against the build stored in git
+task-validate-build() {
+  cd "${base_dir}"
+  local diff
+  diff="$(git diff packages/tgui/public/tgui.bundle.*)"
+  if [[ -n ${diff} ]]; then
+    echo "Error: our build differs from the build committed into git."
+    echo "Please rebuild tgui."
+    exit 1
+  fi
+  echo "tgui: build is ok"
+}
+
 ## Installs merge drivers and git hooks
 task-install-git-hooks() {
   cd "${base_dir}"
@@ -110,6 +123,7 @@ if [[ ${1} == "--ci" ]]; then
   task-install
   task-eslint
   task-webpack --mode=production
+  task-validate-build
   exit 0
 fi