restic/vendor/golang.org/x/text/cmd/gotext/rewrite.go

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// Copyright 2017 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 (
"os"
"golang.org/x/text/message/pipeline"
)
const printerType = "golang.org/x/text/message.Printer"
// TODO:
// - merge information into existing files
// - handle different file formats (PO, XLIFF)
// - handle features (gender, plural)
// - message rewriting
func init() {
overwrite = cmdRewrite.Flag.Bool("w", false, "write files in place")
}
var (
overwrite *bool
)
var cmdRewrite = &Command{
Run: runRewrite,
UsageLine: "rewrite <package>",
Short: "rewrites fmt functions to use a message Printer",
Long: `
rewrite is typically done once for a project. It rewrites all usages of
fmt to use x/text's message package whenever a message.Printer is in scope.
It rewrites Print and Println calls with constant strings to the equivalent
using Printf to allow translators to reorder arguments.
`,
}
func runRewrite(cmd *Command, _ *pipeline.Config, args []string) error {
w := os.Stdout
if *overwrite {
w = nil
}
pkg := "."
switch len(args) {
case 0:
case 1:
pkg = args[0]
default:
return errorf("can only specify at most one package")
}
return pipeline.Rewrite(w, pkg)
}