Beispiel #1
0
func main() {
	comment := flag.String("comment", "", "comment to add to commit's meta data")
	spec.RegisterDatabaseFlags(flag.CommandLine)

	flag.Usage = func() {
		fmt.Fprintf(os.Stderr, "Fetches a URL (or file) into a noms blob\n\nUsage: %s <url-or-local-path> <dataset>:\n", os.Args[0])
		flag.PrintDefaults()
	}
	flag.Parse(true)

	if flag.NArg() != 2 {
		d.CheckErrorNoUsage(errors.New("expected dataset and url arguments"))
	}

	ds, err := spec.GetDataset(flag.Arg(1))
	d.CheckErrorNoUsage(err)
	defer ds.Database().Close()

	url := flag.Arg(0)
	fileOrUrl := "file"
	start = time.Now()

	var pr io.Reader

	if strings.HasPrefix(url, "http") {
		resp, err := http.Get(url)
		if err != nil {
			fmt.Fprintf(os.Stderr, "Could not fetch url %s, error: %s\n", url, err)
			return
		}

		switch resp.StatusCode / 100 {
		case 4, 5:
			fmt.Fprintf(os.Stderr, "Could not fetch url %s, error: %d (%s)\n", url, resp.StatusCode, resp.Status)
			return
		}

		pr = progressreader.New(resp.Body, getStatusPrinter(resp.ContentLength))
		fileOrUrl = "url"
	} else {
		// assume it's a file
		f, err := os.Open(url)
		if err != nil {
			fmt.Fprintf(os.Stderr, "Invalid URL %s - does not start with 'http' and isn't local file either. fopen error: %s", url, err)
			return
		}

		s, err := f.Stat()
		if err != nil {
			fmt.Fprintf(os.Stderr, "Could not stat file %s: %s", url, err)
			return
		}

		pr = progressreader.New(f, getStatusPrinter(s.Size()))
		fileOrUrl = "file"
	}

	b := types.NewStreamingBlob(pr, ds.Database())
	mi := metaInfoForCommit(fileOrUrl, url, *comment)
	ds, err = ds.Commit(b, dataset.CommitOptions{Meta: mi})
	if err != nil {
		d.Chk.Equal(datas.ErrMergeNeeded, err)
		fmt.Fprintf(os.Stderr, "Could not commit, optimistic concurrency failed.")
		return
	}

	status.Done()
	fmt.Println("Done")
}
Beispiel #2
0
func main() {
	comment := flag.String("comment", "", "comment to add to commit's meta data")
	stdin := flag.Bool("stdin", false, "read blob from stdin")

	spec.RegisterDatabaseFlags(flag.CommandLine)

	flag.Usage = func() {
		fmt.Fprintf(os.Stderr, "Fetches a URL, file, or stdin into a noms blob\n\nUsage: %s [--stdin?] [url-or-local-path?] [dataset]\n", os.Args[0])
		flag.PrintDefaults()
	}
	flag.Parse(true)

	if !(*stdin && flag.NArg() == 1) && flag.NArg() != 2 {
		flag.Usage()
		os.Exit(-1)
	}

	start = time.Now()

	ds, err := spec.GetDataset(flag.Arg(flag.NArg() - 1))
	d.CheckErrorNoUsage(err)
	defer ds.Database().Close()

	var r io.Reader
	var contentLength int64
	var sourceType, sourceVal string

	if *stdin {
		r = os.Stdin
		contentLength = -1
	} else if url := flag.Arg(0); strings.HasPrefix(url, "http") {
		resp, err := http.Get(url)
		if err != nil {
			fmt.Fprintf(os.Stderr, "Could not fetch url %s, error: %s\n", url, err)
			return
		}

		switch resp.StatusCode / 100 {
		case 4, 5:
			fmt.Fprintf(os.Stderr, "Could not fetch url %s, error: %d (%s)\n", url, resp.StatusCode, resp.Status)
			return
		}

		r = resp.Body
		contentLength = resp.ContentLength
		sourceType, sourceVal = "url", url
	} else {
		// assume it's a file
		f, err := os.Open(url)
		if err != nil {
			fmt.Fprintf(os.Stderr, "Invalid URL %s - does not start with 'http' and isn't local file either. fopen error: %s", url, err)
			return
		}

		s, err := f.Stat()
		if err != nil {
			fmt.Fprintf(os.Stderr, "Could not stat file %s: %s", url, err)
			return
		}

		r = f
		contentLength = s.Size()
		sourceType, sourceVal = "file", url
	}

	pr := progressreader.New(r, getStatusPrinter(contentLength))
	b := types.NewStreamingBlob(pr, ds.Database())
	mi := metaInfoForCommit(sourceType, sourceVal, *comment)
	ds, err = ds.Commit(b, dataset.CommitOptions{Meta: mi})
	if err != nil {
		d.Chk.Equal(datas.ErrMergeNeeded, err)
		fmt.Fprintf(os.Stderr, "Could not commit, optimistic concurrency failed.")
		return
	}

	status.Done()
	fmt.Println("Done")
}