build/cmd/gomote/get.go

44 строки
862 B
Go

// Copyright 2015 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 (
"context"
"flag"
"fmt"
"io"
"os"
)
// get a .tar.gz
func getTar(args []string) error {
fs := flag.NewFlagSet("get", flag.ContinueOnError)
fs.Usage = func() {
fmt.Fprintln(os.Stderr, "gettar usage: gomote gettar [get-opts] <buildlet-name>")
fs.PrintDefaults()
os.Exit(1)
}
var dir string
fs.StringVar(&dir, "dir", "", "relative directory from buildlet's work dir to tar up")
fs.Parse(args)
if fs.NArg() != 1 {
fs.Usage()
}
name := fs.Arg(0)
bc, err := remoteClient(name)
if err != nil {
return err
}
tgz, err := bc.GetTar(context.Background(), dir)
if err != nil {
return err
}
defer tgz.Close()
_, err = io.Copy(os.Stdout, tgz)
return err
}