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// Copyright 2024 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.
package android
import (
"github.com/google/blueprint"
"github.com/google/blueprint/proptools"
)
var (
mergeAndRemoveComments = pctx.AndroidStaticRule("merge_and_remove_comments",
blueprint.RuleParams{
Command: "cat $in | grep -v '#' > $out",
},
)
androidInfoTxtToProp = pctx.AndroidStaticRule("android_info_txt_to_prop",
blueprint.RuleParams{
Command: "grep 'require version-' $in | sed -e 's/require version-/ro.build.expect./g' > $out",
},
)
)
type androidInfoProperties struct {
// Name of output file. Defaults to module name
Stem *string
// Paths of board-info.txt files.
Board_info_files []string `android:"path"`
// Name of bootloader board. If board_info_files is empty, `board={bootloader_board_name}` will
// be printed to output. Ignored if board_info_files is not empty.
Bootloader_board_name *string
}
type androidInfoModule struct {
ModuleBase
properties androidInfoProperties
}
func (p *androidInfoModule) GenerateAndroidBuildActions(ctx ModuleContext) {
if len(p.properties.Board_info_files) > 0 && p.properties.Bootloader_board_name != nil {
ctx.ModuleErrorf("Either Board_info_files or Bootloader_board_name should be set. Please remove one of them\n")
return
}
androidInfoTxtName := proptools.StringDefault(p.properties.Stem, ctx.ModuleName()+".txt")
androidInfoTxt := PathForModuleOut(ctx, androidInfoTxtName)
androidInfoProp := androidInfoTxt.ReplaceExtension(ctx, "prop")
if boardInfoFiles := PathsForModuleSrc(ctx, p.properties.Board_info_files); len(boardInfoFiles) > 0 {
ctx.Build(pctx, BuildParams{
Rule: mergeAndRemoveComments,
Inputs: boardInfoFiles,
Output: androidInfoTxt,
})
} else if bootloaderBoardName := proptools.String(p.properties.Bootloader_board_name); bootloaderBoardName != "" {
WriteFileRule(ctx, androidInfoTxt, "board="+bootloaderBoardName)
} else {
WriteFileRule(ctx, androidInfoTxt, "")
}
// Create android_info.prop
ctx.Build(pctx, BuildParams{
Rule: androidInfoTxtToProp,
Input: androidInfoTxt,
Output: androidInfoProp,
})
ctx.SetOutputFiles(Paths{androidInfoProp}, "")
ctx.SetOutputFiles(Paths{androidInfoTxt}, ".txt")
}
// android_info module generate a file named android-info.txt that contains various information
// about the device we're building for. This file is typically packaged up with everything else.
func AndroidInfoFactory() Module {
module := &androidInfoModule{}
module.AddProperties(&module.properties)
InitAndroidArchModule(module, DeviceSupported, MultilibCommon)
return module
}
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