Ensure all tags have been pulled for LibAC

Jenkinsfile

@@ -23,7 +23,11 @@ pipeline {
                     sh '''
                     #!/bin/bash
 
-                    java --version
+                    git clean -xfd
+                    git reset --hard
+                    git fetch
+
+                    java -version
 
                     chmod +x gradlew
                     ./gradlew build publish