diff --git a/treble/combined_build_test.sh b/treble/combined_build_test.sh
new file mode 100644
index 0000000..bcdea9f
--- /dev/null
+++ b/treble/combined_build_test.sh
@@ -0,0 +1,96 @@
+#!/bin/bash
+#
+# Copyright (C) 2023 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+usage() {
+    echo "usage: "$0" -t TARGET -v VARIANT [-d DIST_OUT] [-a ALTER_TARGET] [-c] [GOALS ...]"
+    echo "  -t TARGET      : Primay target to build"
+    echo "  -v VARIANT     : Build variant (ex. user, userdebug)"
+    echo "  -d DIST_OUT    : Path for dist out"
+    echo "  -a ALTER_TARGET: The secondary target that shares the build artifacts with the primary target"
+    echo "  -c             : Installclean between each build"
+}
+
+while getopts ha:cd:t:v: opt; do
+    case "${opt}" in
+        h)
+            usage
+            ;;
+        a)
+            alter_target="${OPTARG}"
+            ;;
+        c)
+            installclean=true
+            ;;
+        d)
+            dist_dir="${OPTARG}"
+            ;;
+        t)
+            target="${OPTARG}"
+            ;;
+        v)
+            variant="${OPTARG}"
+            ;;
+        *)
+            usage
+            ;;
+    esac
+done
+
+if [[ -z ${target} ]]; then
+    echo "-t must set for the primary target"
+    exit 1
+fi
+if [[ -z ${variant} ]]; then
+    echo "-v must set for build variant"
+    exit 1
+fi
+
+
+goals="${@:OPTIND}"
+
+base_command="build/soong/soong_ui.bash --make-mode"
+if [[ ! -z ${dist_dir} ]]; then
+    base_command="${base_command} DIST_DIR=${dist_dir} dist"
+fi
+
+# Build the target first.
+echo "Initial build..."
+${base_command} TARGET_PRODUCT=${target} TARGET_BUILD_VARIANT=${variant} ${goals}
+
+if [[ ! -z ${alter_target} ]]; then
+    # Building two targets with a single artifacts
+    if [[ ! -z ${installclean} ]]; then
+        echo "Installclean for the alternative target..."
+        ${base_command} TARGET_PRODUCT=${alter_target} TARGET_BUILD_VARIANT=${variant} installclean
+    fi
+    echo "Build the alternative target..."
+    ${base_command} TARGET_PRODUCT=${alter_target} TARGET_BUILD_VARIANT=${variant} ${goals}
+    if [[ ! -z ${installclean} ]]; then
+        echo "Installclean for the primary target..."
+        ${base_command} TARGET_PRODUCT=${target} TARGET_BUILD_VARIANT=${variant} installclean
+    fi
+    echo "Build the primary target again..."
+    ${base_command} TARGET_PRODUCT=${target} TARGET_BUILD_VARIANT=${variant} ${goals}
+else
+    # Build again just after installclean for reference
+    if [[ ! -z ${installclean} ]]; then
+        echo "Installclean..."
+        ${base_command} TARGET_PRODUCT=${target} TARGET_BUILD_VARIANT=${variant} installclean
+    fi
+    echo "Build the target again..."
+    ${base_command} TARGET_PRODUCT=${target} TARGET_BUILD_VARIANT=${variant} ${goals}
+fi
+