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Commit ed885bb7 authored by Gurpreet Singh's avatar Gurpreet Singh
Browse files

Add genrule to build *.latest.version build target. 

Build a new target *.latest.version which will contain a text file
containing the last finalized version.

Bug: 242316893, 282140551
Test: atest prebuilt_apis_test
(cherry picked from https://android-review.googlesource.com/q/commit:daa314ac97d5ab8076113ee7f269b4e4cc3cf620)
Merged-In: I41fa91c9ec273f342b7807c66c4d65ba13260124
Change-Id: I41fa91c9ec273f342b7807c66c4d65ba13260124
parent 1d2252d6

java/prebuilt_apis.go

+24 −4
Original line number Diff line number Diff line
@@ -135,6 +135,19 @@ func createApiModule(mctx android.LoadHookContext, name string, path string) { 
	mctx.CreateModule(genrule.GenRuleFactory, &genruleProps)

}



func createLatestApiModuleExtensionVersionFile(mctx android.LoadHookContext, name string, version string) {

	genruleProps := struct {

		Name *string

		Srcs []string

		Out  []string

		Cmd  *string

	}{}

	genruleProps.Name = proptools.StringPtr(name)

	genruleProps.Out = []string{name}

	genruleProps.Cmd = proptools.StringPtr("echo " + version + " > $(out)")

	mctx.CreateModule(genrule.GenRuleFactory, &genruleProps)

}



func createEmptyFile(mctx android.LoadHookContext, name string) {

	props := struct {

		Name *string
@@ -233,9 +246,10 @@ func prebuiltApiFiles(mctx android.LoadHookContext, p *prebuiltApis) { 
	type latestApiInfo struct {

		module, scope, path string

		version             int

		isExtensionApiFile  bool

	}



	getLatest := func(files []string) map[string]latestApiInfo {

	getLatest := func(files []string, isExtensionApiFile bool) map[string]latestApiInfo {

		m := make(map[string]latestApiInfo)

		for _, f := range files {

			module, version, scope := parseFinalizedPrebuiltPath(mctx, f)
@@ -245,16 +259,16 @@ func prebuiltApiFiles(mctx android.LoadHookContext, p *prebuiltApis) { 
			key := module + "." + scope

			info, exists := m[key]

			if !exists || version > info.version {

				m[key] = latestApiInfo{module, scope, f, version}

				m[key] = latestApiInfo{module, scope, f, version, isExtensionApiFile}

			}

		}

		return m

	}



	latest := getLatest(apiLevelFiles)

	latest := getLatest(apiLevelFiles, false)

	if p.properties.Extensions_dir != nil {

		extensionApiFiles := globExtensionDirs(mctx, p, "api/*.txt")

		for k, v := range getLatest(extensionApiFiles) {

		for k, v := range getLatest(extensionApiFiles, true) {

			if _, exists := latest[k]; !exists {

				mctx.ModuleErrorf("Module %v finalized for extension %d but never during an API level; likely error", v.module, v.version)

			}
@@ -267,6 +281,12 @@ func prebuiltApiFiles(mctx android.LoadHookContext, p *prebuiltApis) { 
	for _, k := range android.SortedKeys(latest) {

		info := latest[k]

		name := PrebuiltApiModuleName(info.module, info.scope, "latest")

		latestExtensionVersionModuleName := PrebuiltApiModuleName(info.module, info.scope, "latest.extension_version")

		if info.isExtensionApiFile {

			createLatestApiModuleExtensionVersionFile(mctx, latestExtensionVersionModuleName, strconv.Itoa(info.version))

		} else {

			createLatestApiModuleExtensionVersionFile(mctx, latestExtensionVersionModuleName, "-1")

		}

		createApiModule(mctx, name, info.path)

	}