TUN-528: Move cloudflared into a separate repo

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

@@ -0,0 +1,81 @@
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import (
+	"encoding/json"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+
+	"golang.org/x/text/internal"
+	"golang.org/x/text/language"
+	"golang.org/x/text/message/pipeline"
+)
+
+// TODO:
+// - merge information into existing files
+// - handle different file formats (PO, XLIFF)
+// - handle features (gender, plural)
+// - message rewriting
+
+var (
+	srcLang *string
+	lang    *string
+)
+
+func init() {
+	srcLang = cmdExtract.Flag.String("srclang", "en-US", "the source-code language")
+	lang = cmdExtract.Flag.String("lang", "en-US", "comma-separated list of languages to process")
+}
+
+var cmdExtract = &Command{
+	Run:       runExtract,
+	UsageLine: "extract <package>*",
+	Short:     "extracts strings to be translated from code",
+}
+
+func runExtract(cmd *Command, args []string) error {
+	tag, err := language.Parse(*srcLang)
+	if err != nil {
+		return wrap(err, "")
+	}
+	config := &pipeline.Config{
+		SourceLanguage: tag,
+		Packages:       args,
+	}
+	out, err := pipeline.Extract(config)
+
+	data, err := json.MarshalIndent(out, "", "    ")
+	if err != nil {
+		return wrap(err, "")
+	}
+	os.MkdirAll(*dir, 0755)
+	// TODO: this file can probably go if we replace the extract + generate
+	// cycle with a init once and update cycle.
+	file := filepath.Join(*dir, extractFile)
+	if err := ioutil.WriteFile(file, data, 0644); err != nil {
+		return wrap(err, "could not create file")
+	}
+
+	langs := append(getLangs(), tag)
+	langs = internal.UniqueTags(langs)
+	for _, tag := range langs {
+		// TODO: inject translations from existing files to avoid retranslation.
+		out.Language = tag
+		data, err := json.MarshalIndent(out, "", "    ")
+		if err != nil {
+			return wrap(err, "JSON marshal failed")
+		}
+		file := filepath.Join(*dir, tag.String(), outFile)
+		if err := os.MkdirAll(filepath.Dir(file), 0750); err != nil {
+			return wrap(err, "dir create failed")
+		}
+		if err := ioutil.WriteFile(file, data, 0740); err != nil {
+			return wrap(err, "write failed")
+		}
+	}
+	return nil
+}