combine scripts

Author: junpuf

.github/scripts/buildkitd.sh

@@ -48,3 +48,39 @@ echo "✅ Installed: $(buildkitd --version)"
 
 # Cleanup
 rm -rf "$TMPDIR"
+
+echo "🔍 Detecting largest non-system volume..."
+
+# Use consistent, POSIX-compatible df output
+# Filter out ephemeral/system mounts
+mapfile -t lines < <(
+  df -B1 --output=target,avail,fstype 2>/dev/null | \
+  tail -n +2 | \
+  awk '$3 !~ /(tmpfs|devtmpfs|overlay|squashfs|efivarfs|proc|sysfs|cgroup|debugfs|rpc_pipefs|run)/ {print $0}' | \
+  sort -k2 -n -r
+)
+
+if [ ${#lines[@]} -eq 0 ]; then
+  echo "❌ No valid mounted volumes found."
+  exit 1
+fi
+
+read -r mount avail fstype <<<"${lines[0]}"
+
+avail_h=$(numfmt --to=iec <<<"$avail" 2>/dev/null || echo "$avail bytes")
+echo "📦 Largest volume: $mount  (Free: $avail_h, Type: $fstype)"
+
+# Export variable for use by parent script
+echo "BUILD_VOLUME=$mount"
+
+# Identify Buildkit root
+if [ "$BUILD_VOLUME" = "/" ]; then
+  BUILD_ROOT="/buildkit"
+else
+  BUILD_ROOT="$BUILD_VOLUME/buildkit"
+fi
+
+sudo mkdir -p "$BUILD_ROOT"
+sudo chown root:root "$BUILD_ROOT"
+
+echo "🧱 Using BuildKit root at: $BUILD_ROOT"

.github/scripts/volume.sh

@@ -37,7 +37,6 @@ jobs:
       - uses: actions/checkout@v5
       - run: .github/scripts/runner_setup.sh
       - run: .github/scripts/buildkitd.sh
-      - run: .github/scripts/volume.sh
 
   example-on-g6xl-runner-1:
     needs: [example-on-build-runner]