Maybe actually change the script

.gitlab-ci.yml

@@ -1,17 +1,13 @@
-image: gradle:alpine
-
 variables:
   GRADLE_OPTS: "-Dorg.gradle.daemon=false"
 
-before_script:
-  - export GRADLE_USER_HOME=`pwd`/.gradle
-
 deploy:
   tags:
   - windows
   stage: deploy
   script: |
-    gradle --build-cache assemble
+    .\src\main\c\build.bat
+    .\gradlew --build-cache assemble
   artifacts:
     paths:
       - build/libs