ci: refactor full flow to bash script

Author: phsauter

.github/scripts/run_full_flow.sh

@@ -0,0 +1,66 @@
+#!/bin/bash
+# Copyright (c) 2026 ETH Zurich and University of Bologna.
+# Licensed under the Apache License, Version 2.0, see LICENSE for details.
+# SPDX-License-Identifier: Apache-2.0
+#
+# Authors:
+# - Philippe Sauter <phsauter@iis.ee.ethz.ch>
+#
+# Full backend flow: 
+# - Yosys synthesis
+# - OpenROAD P&R
+# - KLayout GDS export
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+CROC_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
+
+cd "$CROC_ROOT"
+
+echo "============================================="
+echo " Step 1: Yosys synthesis"
+echo "============================================="
+cd yosys
+./run_synthesis.sh --synth
+cd "$CROC_ROOT"
+
+echo ""
+echo "============================================="
+echo " Step 2: OpenROAD P&R"
+echo "============================================="
+cd openroad
+./run_backend.sh --all
+cd "$CROC_ROOT"
+
+echo ""
+echo "============================================="
+echo " Checking OpenROAD logs for errors"
+echo "============================================="
+LOG_DIR="$CROC_ROOT/openroad/logs"
+ERROR_FOUND=0
+for log in "$LOG_DIR"/*.log; do
+    if grep -q "\[ERROR" "$log"; then
+        echo "ERROR: [ERROR] found in $log:"
+        grep "\[ERROR" "$log"
+        ERROR_FOUND=1
+    fi
+done
+if [ "$ERROR_FOUND" -eq 1 ]; then
+    echo "OpenROAD log check FAILED."
+    exit 1
+fi
+echo "OpenROAD passed (no [ERROR] found)."
+
+echo ""
+echo "============================================="
+echo " Step 3: KLayout GDS export"
+echo "============================================="
+cd klayout
+./run_finishing.sh --gds --seal
+cd "$CROC_ROOT"
+
+echo ""
+echo "============================================="
+echo " Full flow completed"
+echo "============================================="

.github/workflows/full-flow.yml

@@ -31,7 +31,7 @@ jobs:
       - name: Run Yosys, OpenROAD and KLayout
         uses: ./.github/actions/oseda-cmd
         with:
-          cmd: "cd yosys && ./run_synthesis.sh --synth && cd ../openroad && QT_QPA_PLATFORM=offscreen ./run_backend.sh --all && cd ../klayout && ./run_finishing.sh --gds --seal"
+          cmd: ".github/scripts/run_full_flow.sh"
       - name: Upload openroad outputs
         uses: actions/upload-artifact@v4
         with: