Merge "Ship the build log and trace on the build servers"

am: 62944779e2

Change-Id: I90a5a33d7ddbdf93c6fa875a69738154998f7657

cmd/multiproduct_kati/main.go

@@ -102,7 +102,7 @@ func main() {
 	log.Println("Output directory:", *outDir)
 
 	build.SetupOutDir(buildCtx, config)
-	log.SetOutput(filepath.Join(config.OutDir(), "build.log"))
+	log.SetOutput(filepath.Join(config.OutDir(), "soong.log"))
 	trace.SetOutput(filepath.Join(config.OutDir(), "build.trace"))
 
 	vars, err := build.DumpMakeVars(buildCtx, config, nil, nil, []string{"all_named_products"})
@@ -137,7 +137,7 @@ func main() {
 			}
 
 			productLog := logger.New(&bytes.Buffer{})
-			productLog.SetOutput(filepath.Join(productOutDir, "build.log"))
+			productLog.SetOutput(filepath.Join(productOutDir, "soong.log"))
 
 			productCtx := build.Context{&build.ContextImpl{
 				Context:        ctx,

cmd/soong_ui/main.go

@@ -70,8 +70,15 @@ func main() {
 
 	log.SetVerbose(config.IsVerbose())
 	build.SetupOutDir(buildCtx, config)
-	log.SetOutput(filepath.Join(config.OutDir(), "build.log"))
-	trace.SetOutput(filepath.Join(config.OutDir(), "build.trace"))
+
+	if config.Dist() {
+		os.MkdirAll(config.DistDir(), 0777)
+		log.SetOutput(filepath.Join(config.DistDir(), "logs", "soong.log"))
+		trace.SetOutput(filepath.Join(config.DistDir(), "logs", "build.trace"))
+	} else {
+		log.SetOutput(filepath.Join(config.OutDir(), "soong.log"))
+		trace.SetOutput(filepath.Join(config.OutDir(), "build.trace"))
+	}
 
 	if start, ok := os.LookupEnv("TRACE_BEGIN_SOONG"); ok {
 		if !strings.HasSuffix(start, "N") {

ui/build/config.go

@@ -35,6 +35,7 @@ type configImpl struct {
 	parallel  int
 	keepGoing int
 	verbose   bool
+	dist      bool
 
 	// From the product config
 	katiArgs   []string
@@ -90,6 +91,8 @@ func NewConfig(ctx Context, args ...string) Config {
 		} else if arg == "showcommands" {
 			ret.verbose = true
 			continue
+		} else if arg == "dist" {
+			ret.dist = true
 		}
 		if arg[0] == '-' {
 			var err error
@@ -183,6 +186,13 @@ func (c *configImpl) OutDir() string {
 	return "out"
 }
 
+func (c *configImpl) DistDir() string {
+	if distDir, ok := c.environ.Get("DIST_DIR"); ok {
+		return distDir
+	}
+	return filepath.Join(c.OutDir(), "dist")
+}
+
 func (c *configImpl) NinjaArgs() []string {
 	return c.ninjaArgs
 }
@@ -198,6 +208,10 @@ func (c *configImpl) KatiSuffix() string {
 	panic("SetKatiSuffix has not been called")
 }
 
+func (c *configImpl) Dist() bool {
+	return c.dist
+}
+
 func (c *configImpl) IsVerbose() bool {
 	return c.verbose
 }