Add build-flag-declarations tool
This will be used to gather build flag declarations
Bug: 328495189
Test: manual, TH
Change-Id: I155c26b1442347c4d433c9cbf22b94d944636702
diff --git a/bin/build-flag-declarations b/bin/build-flag-declarations
new file mode 100755
index 0000000..222f083
--- /dev/null
+++ b/bin/build-flag-declarations
@@ -0,0 +1,28 @@
+#!/bin/bash -eu
+#
+# Copyright 2017 Google Inc. All rights reserved.
+#
+# 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.
+
+source $(cd $(dirname $BASH_SOURCE) &> /dev/null && pwd)/../../make/shell_utils.sh
+require_top
+
+# Save the current PWD for use in soong_ui
+export ORIGINAL_PWD=${PWD}
+export TOP=$(gettop)
+source ${TOP}/build/soong/scripts/microfactory.bash
+
+soong_build_go build-flag-declarations android/soong/cmd/release_config/build_flag_declarations
+
+cd ${TOP}
+exec "$(getoutdir)/build-flag-declarations" "$@"
diff --git a/cmd/release_config/build_flag_declarations/Android.bp b/cmd/release_config/build_flag_declarations/Android.bp
new file mode 100644
index 0000000..e4f999f
--- /dev/null
+++ b/cmd/release_config/build_flag_declarations/Android.bp
@@ -0,0 +1,32 @@
+package {
+ default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+blueprint_go_binary {
+ name: "build-flag-declarations",
+ deps: [
+ "golang-protobuf-encoding-prototext",
+ "golang-protobuf-reflect-protoreflect",
+ "golang-protobuf-runtime-protoimpl",
+ "soong-cmd-release_config-proto",
+ "soong-cmd-release_config-lib",
+ ],
+ srcs: [
+ "main.go",
+ ],
+}
+
+bootstrap_go_package {
+ name: "soong-cmd-release_config-build_flag_declarations",
+ pkgPath: "android/soong/cmd/release_config/build_flag_declarations",
+ deps: [
+ "golang-protobuf-encoding-prototext",
+ "golang-protobuf-reflect-protoreflect",
+ "golang-protobuf-runtime-protoimpl",
+ "soong-cmd-release_config-proto",
+ "soong-cmd-release_config-lib",
+ ],
+ srcs: [
+ "main.go",
+ ],
+}
diff --git a/cmd/release_config/build_flag_declarations/main.go b/cmd/release_config/build_flag_declarations/main.go
new file mode 100644
index 0000000..8315f59
--- /dev/null
+++ b/cmd/release_config/build_flag_declarations/main.go
@@ -0,0 +1,81 @@
+package main
+
+import (
+ "flag"
+ "fmt"
+ "os"
+
+ rc_lib "android/soong/cmd/release_config/release_config_lib"
+)
+
+type Flags struct {
+ // The path to the top of the workspace. Default: ".".
+ top string
+
+ // Output file.
+ output string
+
+ // Format for output file
+ format string
+
+ // List of flag_declaration files to add.
+ decls rc_lib.StringList
+
+ // List of flag_artifacts files to merge.
+ intermediates rc_lib.StringList
+
+ // Disable warning messages
+ quiet bool
+
+ // Panic on errors.
+ debug bool
+}
+
+func main() {
+ var flags Flags
+ topDir, err := rc_lib.GetTopDir()
+
+ // Handle the common arguments
+ flag.StringVar(&flags.top, "top", topDir, "path to top of workspace")
+ flag.Var(&flags.decls, "decl", "path to a flag_declaration file. May be repeated")
+ flag.Var(&flags.intermediates, "intermediate", "path to a flag_artifacts file (output from a prior run). May be repeated")
+ flag.StringVar(&flags.format, "format", "pb", "output file format")
+ flag.StringVar(&flags.output, "output", "build_flags.pb", "output file")
+ flag.BoolVar(&flags.debug, "debug", false, "turn on debugging output for errors")
+ flag.BoolVar(&flags.quiet, "quiet", false, "disable warning messages")
+ flag.Parse()
+
+ errorExit := func(err error) {
+ if flags.debug {
+ panic(err)
+ }
+ fmt.Fprintf(os.Stderr, "%s\n", err)
+ os.Exit(1)
+ }
+
+ if flags.quiet {
+ rc_lib.DisableWarnings()
+ }
+
+ if err = os.Chdir(flags.top); err != nil {
+ errorExit(err)
+ }
+
+ flagArtifacts := rc_lib.FlagArtifactsFactory("")
+ for _, intermediate := range flags.intermediates {
+ fas := rc_lib.FlagArtifactsFactory(intermediate)
+ for _, fa := range *fas {
+ (*flagArtifacts)[*fa.FlagDeclaration.Name] = fa
+ }
+ }
+ for _, decl := range flags.decls {
+ fa := rc_lib.FlagArtifactFactory(decl)
+ (*flagArtifacts)[*fa.FlagDeclaration.Name] = fa
+ }
+
+ message := flagArtifacts.GenerateFlagArtifacts()
+ err = rc_lib.WriteFormattedMessage(flags.output, flags.format, message)
+ if err != nil {
+ errorExit(err)
+ }
+}