'Generic Commit'

dropshell-build/src/dropshell-build

@@ -213,13 +213,26 @@ function buildspawn() {
         fi
         echo "Using Docker Buildchain."
         TAG="latest"
-        if [ -n "$DROPSHELL_BUILD_TAG" ]; then
-            TAG=":$DROPSHELL_BUILD_TAG"
+        if [ -n "${DROPSHELL_BUILD_TAG-}" ]; then
+            TAG="$DROPSHELL_BUILD_TAG"
         fi
         echo "Using Docker Buildchain with tag: $TAG"
+        
+        # Handle Docker-in-Docker path mapping for Gitea Actions.
+        MOUNT_DIR="$BUILD_DIR"
+        if [ -n "${HOST_WORKSPACE_PATH-}" ]; then
+            # Convert container path to host path
+            # Gitea typically mounts workspace at /workspace in the container
+            # Replace /workspace with the actual host path
+            MOUNT_DIR=$(echo "$BUILD_DIR" | sed "s|^/workspace|$HOST_WORKSPACE_PATH|")
+            if [ "$MOUNT_DIR" != "$BUILD_DIR" ]; then
+                echo "Docker-in-Docker: Mapping $BUILD_DIR to $MOUNT_DIR"
+            fi
+        fi
+        
         docker run --rm \
             -u "$(id -u)":"$(id -g)" \
-            -v "$BUILD_DIR":/app \
+            -v "$MOUNT_DIR":/app \
             "gitea.jde.nz/public/dropshell-build:${TAG}"
     else    
         echo "Using local native buildchain"