f4cc08e114
Create build_flags_{partition}-{TARGET_PRODUCT}-{TARGET_RELEASE}.json
in {OUT_DIR}/soong/release-config.
Bug: 328495189
Test: manual
Change-Id: I708c37f9b1216b4283886c98cacaf66bfcd28143
284 lines
9.1 KiB
Go
284 lines
9.1 KiB
Go
// Copyright 2024 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package release_config_lib
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import (
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"cmp"
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"fmt"
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"path/filepath"
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"slices"
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"sort"
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"strings"
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rc_proto "android/soong/cmd/release_config/release_config_proto"
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"google.golang.org/protobuf/proto"
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)
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// One directory's contribution to the a release config.
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type ReleaseConfigContribution struct {
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// Paths to files providing this config.
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path string
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// The index of the config directory where this release config
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// contribution was declared.
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// Flag values cannot be set in a location with a lower index.
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DeclarationIndex int
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// Protobufs relevant to the config.
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proto rc_proto.ReleaseConfig
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FlagValues []*FlagValue
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}
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// A generated release config.
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type ReleaseConfig struct {
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// the Name of the release config
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Name string
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// The index of the config directory where this release config was
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// first declared.
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// Flag values cannot be set in a location with a lower index.
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DeclarationIndex int
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// What contributes to this config.
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Contributions []*ReleaseConfigContribution
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// Aliases for this release
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OtherNames []string
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// The names of release configs that we inherit
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InheritNames []string
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// Unmarshalled flag artifacts
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FlagArtifacts FlagArtifacts
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// Generated release config
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ReleaseConfigArtifact *rc_proto.ReleaseConfigArtifact
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// We have begun compiling this release config.
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compileInProgress bool
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// Partitioned artifacts for {partition}/etc/build_flags.json
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PartitionBuildFlags map[string]*rc_proto.FlagArtifacts
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}
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func ReleaseConfigFactory(name string, index int) (c *ReleaseConfig) {
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return &ReleaseConfig{Name: name, DeclarationIndex: index}
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}
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func (config *ReleaseConfig) InheritConfig(iConfig *ReleaseConfig) error {
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for _, fa := range iConfig.FlagArtifacts {
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name := *fa.FlagDeclaration.Name
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myFa, ok := config.FlagArtifacts[name]
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if !ok {
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return fmt.Errorf("Could not inherit flag %s from %s", name, iConfig.Name)
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}
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if len(fa.Traces) > 1 {
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// A value was assigned. Set our value.
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myFa.Traces = append(myFa.Traces, fa.Traces[1:]...)
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myFa.Value = fa.Value
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}
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}
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return nil
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}
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func (config *ReleaseConfig) GenerateReleaseConfig(configs *ReleaseConfigs) error {
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if config.ReleaseConfigArtifact != nil {
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return nil
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}
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if config.compileInProgress {
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return fmt.Errorf("Loop detected for release config %s", config.Name)
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}
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config.compileInProgress = true
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isRoot := config.Name == "root"
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// Start with only the flag declarations.
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config.FlagArtifacts = configs.FlagArtifacts.Clone()
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// Add RELEASE_ACONFIG_VALUE_SETS
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workflowManual := rc_proto.Workflow(rc_proto.Workflow_MANUAL)
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container := rc_proto.Container(rc_proto.Container_ALL)
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releaseAconfigValueSets := FlagArtifact{
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FlagDeclaration: &rc_proto.FlagDeclaration{
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Name: proto.String("RELEASE_ACONFIG_VALUE_SETS"),
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Namespace: proto.String("android_UNKNOWN"),
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Description: proto.String("Aconfig value sets assembled by release-config"),
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Workflow: &workflowManual,
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Container: &container,
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Value: &rc_proto.Value{Val: &rc_proto.Value_StringValue{""}},
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},
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DeclarationIndex: -1,
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Traces: []*rc_proto.Tracepoint{
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&rc_proto.Tracepoint{
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Source: proto.String("$release-config"),
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Value: &rc_proto.Value{Val: &rc_proto.Value_StringValue{""}},
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},
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},
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}
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config.FlagArtifacts["RELEASE_ACONFIG_VALUE_SETS"] = &releaseAconfigValueSets
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// Generate any configs we need to inherit. This will detect loops in
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// the config.
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contributionsToApply := []*ReleaseConfigContribution{}
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myInherits := []string{}
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myInheritsSet := make(map[string]bool)
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// If there is a "root" release config, it is the start of every inheritance chain.
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_, err := configs.GetReleaseConfig("root")
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if err == nil && !isRoot {
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config.InheritNames = append([]string{"root"}, config.InheritNames...)
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}
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for _, inherit := range config.InheritNames {
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if _, ok := myInheritsSet[inherit]; ok {
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continue
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}
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myInherits = append(myInherits, inherit)
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myInheritsSet[inherit] = true
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iConfig, err := configs.GetReleaseConfig(inherit)
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if err != nil {
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return err
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}
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iConfig.GenerateReleaseConfig(configs)
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if err := config.InheritConfig(iConfig); err != nil {
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return err
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}
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}
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contributionsToApply = append(contributionsToApply, config.Contributions...)
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myAconfigValueSets := strings.Split(releaseAconfigValueSets.Value.GetStringValue(), " ")
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myAconfigValueSetsMap := map[string]bool{}
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for _, v := range myAconfigValueSets {
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myAconfigValueSetsMap[v] = true
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}
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myDirsMap := make(map[int]bool)
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for _, contrib := range contributionsToApply {
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if len(contrib.proto.AconfigValueSets) > 0 {
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contribAconfigValueSets := []string{}
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for _, v := range contrib.proto.AconfigValueSets {
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if _, ok := myAconfigValueSetsMap[v]; !ok {
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contribAconfigValueSets = append(contribAconfigValueSets, v)
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myAconfigValueSetsMap[v] = true
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}
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}
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myAconfigValueSets = append(myAconfigValueSets, contribAconfigValueSets...)
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releaseAconfigValueSets.Traces = append(
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releaseAconfigValueSets.Traces,
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&rc_proto.Tracepoint{
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Source: proto.String(contrib.path),
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Value: &rc_proto.Value{Val: &rc_proto.Value_StringValue{strings.Join(contribAconfigValueSets, " ")}},
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})
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}
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myDirsMap[contrib.DeclarationIndex] = true
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for _, value := range contrib.FlagValues {
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name := *value.proto.Name
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fa, ok := config.FlagArtifacts[name]
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if !ok {
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return fmt.Errorf("Setting value for undefined flag %s in %s\n", name, value.path)
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}
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myDirsMap[fa.DeclarationIndex] = true
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if fa.DeclarationIndex > contrib.DeclarationIndex {
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// Setting location is to the left of declaration.
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return fmt.Errorf("Setting value for flag %s not allowed in %s\n", name, value.path)
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}
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if isRoot && *fa.FlagDeclaration.Workflow != workflowManual {
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// The "root" release config can only contain workflow: MANUAL flags.
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return fmt.Errorf("Setting value for non-MANUAL flag %s is not allowed in %s", name, value.path)
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}
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if err := fa.UpdateValue(*value); err != nil {
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return err
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}
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if fa.Redacted {
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delete(config.FlagArtifacts, name)
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}
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}
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}
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releaseAconfigValueSets.Value = &rc_proto.Value{Val: &rc_proto.Value_StringValue{strings.TrimSpace(strings.Join(myAconfigValueSets, " "))}}
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directories := []string{}
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for idx, confDir := range configs.configDirs {
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if _, ok := myDirsMap[idx]; ok {
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directories = append(directories, confDir)
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}
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}
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// Now build the per-partition artifacts
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config.PartitionBuildFlags = make(map[string]*rc_proto.FlagArtifacts)
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addPartitionArtifact := func(container string, artifact *rc_proto.FlagArtifact) {
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if _, ok := config.PartitionBuildFlags[container]; !ok {
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config.PartitionBuildFlags[container] = &rc_proto.FlagArtifacts{}
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}
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config.PartitionBuildFlags[container].FlagArtifacts = append(config.PartitionBuildFlags[container].FlagArtifacts, artifact)
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}
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for _, v := range config.FlagArtifacts {
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container := strings.ToLower(rc_proto.Container_name[int32(v.FlagDeclaration.GetContainer())])
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artifact, err := v.MarshalWithoutTraces()
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if err != nil {
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return err
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}
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switch container {
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case "all":
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for cVal, cName := range rc_proto.Container_name {
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// Skip unspecified, and "ALL", but place the flag in the rest.
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if cVal == 0 || cName == "ALL" {
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continue
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}
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cName = strings.ToLower(cName)
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addPartitionArtifact(cName, artifact)
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}
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default:
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addPartitionArtifact(container, artifact)
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}
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}
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config.ReleaseConfigArtifact = &rc_proto.ReleaseConfigArtifact{
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Name: proto.String(config.Name),
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OtherNames: config.OtherNames,
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FlagArtifacts: func() []*rc_proto.FlagArtifact {
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ret := []*rc_proto.FlagArtifact{}
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flagNames := []string{}
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for k := range config.FlagArtifacts {
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flagNames = append(flagNames, k)
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}
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sort.Strings(flagNames)
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for _, flagName := range flagNames {
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flag := config.FlagArtifacts[flagName]
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ret = append(ret, &rc_proto.FlagArtifact{
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FlagDeclaration: flag.FlagDeclaration,
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Traces: flag.Traces,
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Value: flag.Value,
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})
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}
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return ret
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}(),
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AconfigValueSets: myAconfigValueSets,
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Inherits: myInherits,
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Directories: directories,
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}
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config.compileInProgress = false
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return nil
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}
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func (config *ReleaseConfig) WritePartitionBuildFlags(outDir, product, targetRelease string) error {
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var err error
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for partition, flags := range config.PartitionBuildFlags {
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slices.SortFunc(flags.FlagArtifacts, func(a, b *rc_proto.FlagArtifact) int {
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return cmp.Compare(*a.FlagDeclaration.Name, *b.FlagDeclaration.Name)
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})
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if err = WriteMessage(filepath.Join(outDir, fmt.Sprintf("build_flags_%s-%s-%s.json", partition, config.Name, product)), flags); err != nil {
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return err
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}
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}
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return nil
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}
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