Cannot set variable on non pulled file

.gitlab-ci.yml

@@ -38,7 +38,7 @@ variables:
   variables:
     COMMAND_OPTIONS_SBATCH: ${slurm_options}
     STACK_CONFIG: ${CI_PROJECT_DIR}/stacks/${stack}/config.json
-    STACK_LOCATION: $(jq -r .stack.mount_point ${STACK_CONFIG})
+    STACK_LOCATION: "/stack"
     APPTAINER_EXEC_OPTIONS: ${apptainer_options} --bind ${BUILDCACHE}:/buildcache:rw --bind ${CI_PROJECT_DIR}:${STACK_LOCATION}
     SPACK_USER_CACHE_PATH: "/tmp/spack_cache_${CI_JOB_ID}"
     SPACK_USER_CONFIG_PATH: "/tmp/spack_user_${CI_JOB_ID}"