[ci] Test CI with different REMOTE_CHIPYARD_DIR than local

.github/actions/prepare-gpu/action.yml

@@ -20,6 +20,7 @@ runs:
     - name: Init submodules to ensure stimuli is located
       run: |
         conda activate ${{ env.conda-env-name-no-time }}-$(date --date "${{ env.workflow-timestamp }}" +%Y%m%d)-${{ inputs.toolchain }}
+        cd $REMOTE_CHIPYARD_DIR
         ./scripts/init-submodules-no-riscv-tools.sh --force
       shell: bash -leo pipefail {0}
 

.github/scripts/defaults.sh

@@ -9,8 +9,8 @@ REMOTE_MAKE_NPROC=4
 # CI_DIR is defined externally based on the GH repository secret BUILDDIR
 
 REMOTE_PREFIX=$CI_DIR/${GITHUB_REPOSITORY#*/}-${GITHUB_REF_NAME//\//-}
-REMOTE_WORK_DIR=$GITHUB_WORKSPACE
-REMOTE_CHIPYARD_DIR=$GITHUB_WORKSPACE
+REMOTE_WORK_DIR=$REMOTE_PREFIX/$GITHUB_WORKSPACE
+REMOTE_CHIPYARD_DIR=$REMOTE_PREFIX/$GITHUB_WORKSPACE
 REMOTE_SIM_DIR=$REMOTE_CHIPYARD_DIR/sims/verilator
 REMOTE_FIRESIM_DIR=$REMOTE_CHIPYARD_DIR/sims/firesim/sim
 REMOTE_FPGA_DIR=$REMOTE_CHIPYARD_DIR/fpga