Add FeedIcon API call and update dependencies

vendor/golang.org/x/text/cmd/gotext/main.go

@@ -25,6 +25,8 @@ import (
 	"unicode"
 	"unicode/utf8"
 
+	"golang.org/x/text/message/pipeline"
+
 	"golang.org/x/text/language"
 	"golang.org/x/tools/go/buildutil"
 )
@@ -34,10 +36,22 @@ func init() {
 }
 
 var (
-	dir   = flag.String("dir", "textdata", "default subdirectory to store translation files")
-	langs = flag.String("lang", "en", "comma-separated list of languages to process")
+	srcLang = flag.String("srclang", "en-US", "the source-code language")
+	dir     = flag.String("dir", "locales", "default subdirectory to store translation files")
 )
 
+func config() (*pipeline.Config, error) {
+	tag, err := language.Parse(*srcLang)
+	if err != nil {
+		return nil, wrap(err, "invalid srclang")
+	}
+	return &pipeline.Config{
+		SourceLanguage:      tag,
+		TranslationsPattern: `messages\.(.*)\.json`,
+		GenFile:             *out,
+	}, nil
+}
+
 // NOTE: the Command struct is copied from the go tool in core.
 
 // A Command is an implementation of a go command
@@ -45,7 +59,7 @@ var (
 type Command struct {
 	// Run runs the command.
 	// The args are the arguments after the command name.
-	Run func(cmd *Command, args []string) error
+	Run func(cmd *Command, c *pipeline.Config, args []string) error
 
 	// UsageLine is the one-line usage message.
 	// The first word in the line is taken to be the command name.
@@ -87,8 +101,9 @@ func (c *Command) Runnable() bool {
 // The order here is the order in which they are printed by 'go help'.
 var commands = []*Command{
 	cmdExtract,
+	cmdRewrite,
+	cmdGenerate,
 	// TODO:
-	// - generate code from translations.
 	// - update: full-cycle update of extraction, sending, and integration
 	// - report: report of freshness of translations
 }
@@ -126,8 +141,12 @@ func main() {
 			cmd.Flag.Usage = func() { cmd.Usage() }
 			cmd.Flag.Parse(args[1:])
 			args = cmd.Flag.Args()
-			if err := cmd.Run(cmd, args); err != nil {
-				fatalf("gotext: %v", err)
+			config, err := config()
+			if err != nil {
+				fatalf("gotext: %+v", err)
+			}
+			if err := cmd.Run(cmd, config, args); err != nil {
+				fatalf("gotext: %+v", err)
 			}
 			exit()
 			return
@@ -277,12 +296,7 @@ func help(args []string) {
 	if strings.HasSuffix(arg, "documentation") {
 		w := &bytes.Buffer{}
 
-		fmt.Fprintln(w, "// Copyright 2016 The Go Authors. All rights reserved.")
-		fmt.Fprintln(w, "// Use of this source code is governed by a BSD-style")
-		fmt.Fprintln(w, "// license that can be found in the LICENSE file.")
-		fmt.Fprintln(w)
-		fmt.Fprintln(w, "// DO NOT EDIT THIS FILE. GENERATED BY go generate.")
-		fmt.Fprintln(w, "// Edit the documentation in other files and rerun go generate to generate this one.")
+		fmt.Fprintln(w, "// Code generated by go generate. DO NOT EDIT.")
 		fmt.Fprintln(w)
 		buf := new(bytes.Buffer)
 		printUsage(buf)
@@ -292,10 +306,10 @@ func help(args []string) {
 		if arg == "gendocumentation" {
 			b, err := format.Source(w.Bytes())
 			if err != nil {
-				errorf("Could not format generated docs: %v\n", err)
+				logf("Could not format generated docs: %v\n", err)
 			}
 			if err := ioutil.WriteFile("doc.go", b, 0666); err != nil {
-				errorf("Could not create file alldocs.go: %v\n", err)
+				logf("Could not create file alldocs.go: %v\n", err)
 			}
 		} else {
 			fmt.Println(w.String())
@@ -316,7 +330,10 @@ func help(args []string) {
 }
 
 func getLangs() (tags []language.Tag) {
-	for _, t := range strings.Split(*langs, ",") {
+	for _, t := range strings.Split(*lang, ",") {
+		if t == "" {
+			continue
+		}
 		tag, err := language.Parse(t)
 		if err != nil {
 			fatalf("gotext: could not parse language %q: %v", t, err)
@@ -340,11 +357,11 @@ func exit() {
 }
 
 func fatalf(format string, args ...interface{}) {
-	errorf(format, args...)
+	logf(format, args...)
 	exit()
 }
 
-func errorf(format string, args ...interface{}) {
+func logf(format string, args ...interface{}) {
 	log.Printf(format, args...)
 	setExitStatus(1)
 }