BUILD_NUMBER and BUILD_HOSTNAME doesn't affect kati regeneration
* Extract BUILD_NUMBER, BUILD_HOSTNAME to file to avoid kati change * Handle FILE_NAME_TAG_PLACEHOLDER string in dist in build/make/packaging/distdir.mk Test: check if kati isn't invoked even though BUILD_NUMBER, BUILD_HOSTNAME is changed Test: m && m, and check if the second m is no-op Bug: 278060169 Change-Id: I65eefc6bb86d4076098a1bf8b317b4cb88201499
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d056a91b82
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2 changed files with 54 additions and 8 deletions
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@ -242,7 +242,7 @@ func (s *sdkRepoHost) AndroidMk() android.AndroidMkData {
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fmt.Fprintln(w, ".PHONY:", name, "sdk_repo", "sdk-repo-"+name)
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fmt.Fprintln(w, "sdk_repo", "sdk-repo-"+name+":", strings.Join(s.FilesToInstall().Strings(), " "))
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fmt.Fprintf(w, "$(call dist-for-goals,sdk_repo sdk-repo-%s,%s:%s-$(FILE_NAME_TAG).zip)\n\n", s.BaseModuleName(), s.outputFile.String(), s.outputBaseName)
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fmt.Fprintf(w, "$(call dist-for-goals,sdk_repo sdk-repo-%s,%s:%s-FILE_NAME_TAG_PLACEHOLDER.zip)\n\n", s.BaseModuleName(), s.outputFile.String(), s.outputBaseName)
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},
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}
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}
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@ -22,6 +22,7 @@ import (
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"os/user"
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"path/filepath"
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"strings"
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"time"
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"android/soong/ui/metrics"
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"android/soong/ui/status"
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@ -66,6 +67,21 @@ func genKatiSuffix(ctx Context, config Config) {
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}
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}
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func writeValueIfChanged(ctx Context, config Config, dir string, filename string, value string) {
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filePath := filepath.Join(dir, filename)
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previousValue := ""
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rawPreviousValue, err := ioutil.ReadFile(filePath)
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if err == nil {
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previousValue = string(rawPreviousValue)
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}
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if previousValue != value {
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if err = ioutil.WriteFile(filePath, []byte(value), 0666); err != nil {
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ctx.Fatalf("Failed to write: %v", err)
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}
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}
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}
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// Base function to construct and run the Kati command line with additional
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// arguments, and a custom function closure to mutate the environment Kati runs
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// in.
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@ -157,28 +173,57 @@ func runKati(ctx Context, config Config, extraSuffix string, args []string, envF
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}
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cmd.Stderr = cmd.Stdout
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// Apply the caller's function closure to mutate the environment variables.
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envFunc(cmd.Environment)
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var username string
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// Pass on various build environment metadata to Kati.
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if _, ok := cmd.Environment.Get("BUILD_USERNAME"); !ok {
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username := "unknown"
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if usernameFromEnv, ok := cmd.Environment.Get("BUILD_USERNAME"); !ok {
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username = "unknown"
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if u, err := user.Current(); err == nil {
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username = u.Username
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} else {
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ctx.Println("Failed to get current user:", err)
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}
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cmd.Environment.Set("BUILD_USERNAME", username)
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} else {
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username = usernameFromEnv
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}
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if _, ok := cmd.Environment.Get("BUILD_HOSTNAME"); !ok {
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hostname, err := os.Hostname()
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hostname, ok := cmd.Environment.Get("BUILD_HOSTNAME")
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if !ok {
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hostname, err = os.Hostname()
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if err != nil {
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ctx.Println("Failed to read hostname:", err)
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hostname = "unknown"
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}
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cmd.Environment.Set("BUILD_HOSTNAME", hostname)
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}
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writeValueIfChanged(ctx, config, config.SoongOutDir(), "build_hostname.txt", hostname)
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// BUILD_NUMBER should be set to the source control value that
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// represents the current state of the source code. E.g., a
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// perforce changelist number or a git hash. Can be an arbitrary string
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// (to allow for source control that uses something other than numbers),
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// but must be a single word and a valid file name.
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//
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// If no BUILD_NUMBER is set, create a useful "I am an engineering build
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// from this date/time" value. Make it start with a non-digit so that
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// anyone trying to parse it as an integer will probably get "0".
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cmd.Environment.Unset("HAS_BUILD_NUMBER")
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buildNumber, ok := cmd.Environment.Get("BUILD_NUMBER")
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if ok {
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cmd.Environment.Set("HAS_BUILD_NUMBER", "true")
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writeValueIfChanged(ctx, config, config.OutDir(), "file_name_tag.txt", buildNumber)
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} else {
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buildNumber = fmt.Sprintf("eng.%.6s.%s", username, time.Now().Format("20060102.150405" /* YYYYMMDD.HHMMSS */))
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cmd.Environment.Set("HAS_BUILD_NUMBER", "false")
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writeValueIfChanged(ctx, config, config.OutDir(), "file_name_tag.txt", username)
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}
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// Write the build number to a file so it can be read back in
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// without changing the command line every time. Avoids rebuilds
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// when using ninja.
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writeValueIfChanged(ctx, config, config.SoongOutDir(), "build_number.txt", buildNumber)
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// Apply the caller's function closure to mutate the environment variables.
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envFunc(cmd.Environment)
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cmd.StartOrFatal()
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// Set up the ToolStatus command line reader for Kati for a consistent UI
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@ -336,6 +381,7 @@ func runKatiPackage(ctx Context, config Config) {
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"ANDROID_BUILD_SHELL",
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"DIST_DIR",
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"OUT_DIR",
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"FILE_NAME_TAG",
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}...)
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if config.Dist() {
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