Merge "Tool to detect modules that generate the incorrect output in sandbox"

tests/genrule_sandbox_test.sh

@@ -0,0 +1,111 @@
+#!/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.
+
+set -e
+
+# Build the given genrule modules with GENRULE_SANDBOXING enabled and disabled,
+# then compare the output of the modules and report result.
+
+function die() { format=$1; shift; printf >&2 "$format\n" $@; exit 1; }
+
+function usage() {
+  die "usage: ${0##*/} <-t lunch_target> [module]..."
+}
+
+if [ ! -e "build/make/core/Makefile" ]; then
+  die "$0 must be run from the top of the Android source tree."
+fi
+
+declare TARGET=
+while getopts "t:" opt; do
+  case $opt in
+    t)
+      TARGET=$OPTARG ;;
+    *) usage ;;
+  esac
+done
+
+shift $((OPTIND-1))
+MODULES="$@"
+
+source build/envsetup.sh
+
+if [[ -n $TARGET ]]; then
+  lunch $TARGET
+fi
+
+if [[ -z ${OUT_DIR+x} ]]; then
+  OUT_DIR="out"
+fi
+
+OUTPUT_DIR="$(mktemp -d tmp.XXXXXX)"
+PASS=true
+
+function cleanup {
+  if [ $PASS = true ]; then
+    rm -rf "${OUTPUT_DIR}"
+  fi
+}
+trap cleanup EXIT
+
+declare -A GEN_PATH_MAP
+
+function find_gen_paths() {
+  for module in $MODULES; do
+    module_path=$(pathmod "$module")
+    package_path=${module_path#$ANDROID_BUILD_TOP}
+    gen_path=$OUT_DIR/soong/.intermediates$package_path/$module
+    GEN_PATH_MAP[$module]=$gen_path
+  done
+}
+
+function store_outputs() {
+  local dir=$1; shift
+
+  for module in $MODULES; do
+    dest_dir=$dir/${module}
+    mkdir -p $dest_dir
+    gen_path=${GEN_PATH_MAP[$module]}
+    cp -r $gen_path $dest_dir
+  done
+}
+
+function cmp_outputs() {
+  local dir1=$1; shift
+  local dir2=$1; shift
+
+  for module in $MODULES; do
+    if ! diff -rq --exclude=genrule.sbox.textproto $dir1/$module $dir2/$module; then
+      PASS=false
+      echo "$module differ"
+    fi
+  done
+  if [ $PASS = true ]; then
+    echo "Test passed"
+  fi
+}
+
+if [ ! -f "$ANDROID_PRODUCT_OUT/module-info.json" ]; then
+  refreshmod
+fi
+
+find_gen_paths
+m --skip-soong-tests GENRULE_SANDBOXING=true "${MODULES[@]}"
+store_outputs "$OUTPUT_DIR/sandbox"
+m --skip-soong-tests GENRULE_SANDBOXING=false "${MODULES[@]}"
+store_outputs "$OUTPUT_DIR/non_sandbox"
+
+cmp_outputs "$OUTPUT_DIR/non_sandbox" "$OUTPUT_DIR/sandbox"